From 8f121f6cef6b79560be60bd59ad77f78ed75f034 Mon Sep 17 00:00:00 2001 From: Peng Date: Thu, 15 Nov 2018 14:02:03 +0800 Subject: [PATCH] memcached enhancement of persistent memory support --- AUTHORS | 2 + COPYING | 30 + ChangeLog | 625 +++ LICENSE.Lenovo.txt | 29 + LICENSE.bipbuffer | 24 + Makefile.am | 160 + Makefile.in | 1921 +++++++ NEWS | 1 + README.md | 37 + README.pmem.rst | 79 + aclocal.m4 | 1181 ++++ assoc.c | 307 + assoc.h | 10 + bipbuffer.c | 180 + bipbuffer.h | 87 + cache.c | 155 + cache.h | 120 + compile | 347 ++ config.guess | 1441 +++++ config.h.in | 158 + config.sub | 1813 ++++++ configure | 8111 +++++++++++++++++++++++++++ configure.ac | 651 +++ crawler.c | 692 +++ crawler.h | 38 + crc32c.c | 343 ++ crc32c.h | 9 + daemon.c | 89 + depcomp | 791 +++ doc/CONTRIBUTORS | 46 + doc/Doxyfile | 1258 +++++ doc/Makefile | 516 ++ doc/Makefile.am | 23 + doc/Makefile.in | 516 ++ doc/memcached.1 | 179 + doc/new_lru.txt | 46 + doc/protocol-binary-range.xml | 226 + doc/protocol-binary.xml | 1466 +++++ doc/protocol.txt | 1205 ++++ doc/readme.txt | 1 + doc/storage.txt | 134 + doc/threads.txt | 60 + doc/xml2rfc/reference.RFC.0768.xml | 22 + doc/xml2rfc/reference.RFC.2119.xml | 44 + doc/xml2rfc/rfc2629-noinc.xsl | 104 + doc/xml2rfc/rfc2629-other.ent | 61 + doc/xml2rfc/rfc2629-refchk.xsl | 81 + doc/xml2rfc/rfc2629-xhtml.ent | 165 + doc/xml2rfc/rfc2629.dtd | 304 + extstore.c | 856 +++ extstore.h | 108 + hash.c | 21 + hash.h | 14 + install-sh | 508 ++ items.c | 1890 +++++++ items.h | 108 + itoa_ljust.c | 149 + itoa_ljust.h | 28 + jenkins_hash.c | 431 ++ jenkins_hash.h | 15 + linux_priv.c | 113 + logger.c | 822 +++ logger.h | 186 + m4/c99-backport.m4 | 188 + memcached.c | 7992 ++++++++++++++++++++++++++ memcached.h | 809 +++ memcached.spec | 119 + memcached_dtrace.d | 306 + missing | 215 + murmur3_hash.c | 124 + murmur3_hash.h | 19 + openbsd_priv.c | 28 + protocol_binary.h | 470 ++ pslab.c | 371 ++ pslab.h | 37 + sasl_defs.c | 190 + sasl_defs.h | 31 + scripts/README.damemtop | 20 + scripts/damemtop | 571 ++ scripts/damemtop.yaml | 16 + scripts/memcached-automove | 229 + scripts/memcached-automove-extstore | 328 ++ scripts/memcached-init | 122 + scripts/memcached-server.upstart | 26 + scripts/memcached-tool | 223 + scripts/memcached-tool.1 | 71 + scripts/memcached.service | 72 + scripts/memcached.sysv | 78 + scripts/memcached.upstart | 25 + scripts/start-memcached | 128 + sizes.c | 32 + slab_automove.c | 152 + slab_automove.h | 19 + slab_automove_extstore.c | 267 + slab_automove_extstore.h | 8 + slabs.c | 1453 +++++ slabs.h | 93 + solaris_priv.c | 44 + stats.c | 375 ++ stats.h | 8 + storage.c | 459 ++ storage.h | 9 + t/00-startup.t | 92 + t/64bit.t | 44 + t/binary-extstore.t | 623 ++ t/binary-get.t | 23 + t/binary-sasl.t | 664 +++ t/binary.t | 921 +++ t/bogus-commands.t | 13 + t/cas.t | 158 + t/chunked-extstore.t | 156 + t/chunked-items.t | 124 + t/daemonize.t | 33 + t/dash-M.t | 34 + t/dyn-maxbytes.t | 78 + t/evictions.t | 31 + t/expirations.t | 64 + t/extstore-buckets.t | 61 + t/extstore.t | 151 + t/flags.t | 18 + t/flush-all.t | 97 + t/getandtouch.t | 43 + t/getset.t | 99 + t/idle-timeout.t | 37 + t/incrdecr.t | 71 + t/inline_asciihdr.t | 31 + t/issue_104.t | 24 + t/issue_108.t | 27 + t/issue_14.t | 34 + t/issue_140.t | 41 + t/issue_152.t | 17 + t/issue_163.t | 37 + t/issue_183.t | 23 + t/issue_192.t | 20 + t/issue_22.t | 39 + t/issue_260.t | 83 + t/issue_29.t | 26 + t/issue_3.t | 47 + t/issue_41.t | 39 + t/issue_42.t | 21 + t/issue_50.t | 16 + t/issue_61.t | 20 + t/issue_67.t | 90 + t/issue_68.t | 21 + t/issue_70.t | 22 + t/item_size_max.t | 52 + t/lib/MemcachedTest.pm | 298 + t/line-lengths.t | 25 + t/lru-crawler.t | 100 + t/lru-maintainer.t | 107 + t/lru.t | 58 + t/malicious-commands.t | 38 + t/maxconns.t | 28 + t/misbehave.t | 20 + t/multiversioning.t | 46 + t/noreply.t | 47 + t/quit.t | 29 + t/refhang.t | 60 + t/sasl/memcached.conf | 3 + t/slabhang.t | 77 + t/slabs-reassign-chunked.t | 141 + t/slabs-reassign2.t | 140 + t/slabs_reassign.t | 73 + t/stats-conns.t | 71 + t/stats-detail.t | 63 + t/stats.t | 178 + t/stress-memcached.pl | 101 + t/touch.t | 23 + t/udp.t | 260 + t/unixsocket.t | 24 + t/watcher.t | 86 + t/whitespace.t | 43 + testapp.c | 2029 +++++++ thread.c | 808 +++ timedrun.c | 102 + trace.h | 71 + util.c | 196 + util.h | 38 + version.m4 | 1 + 179 files changed, 56613 insertions(+) create mode 100755 AUTHORS create mode 100755 COPYING create mode 100755 ChangeLog create mode 100755 LICENSE.Lenovo.txt create mode 100755 LICENSE.bipbuffer create mode 100755 Makefile.am create mode 100755 Makefile.in create mode 100755 NEWS create mode 100755 README.md create mode 100755 README.pmem.rst create mode 100755 aclocal.m4 create mode 100755 assoc.c create mode 100755 assoc.h create mode 100755 bipbuffer.c create mode 100755 bipbuffer.h create mode 100755 cache.c create mode 100755 cache.h create mode 100755 compile create mode 100755 config.guess create mode 100755 config.h.in create mode 100755 config.sub create mode 100755 configure create mode 100755 configure.ac create mode 100755 crawler.c create mode 100755 crawler.h create mode 100755 crc32c.c create mode 100755 crc32c.h create mode 100755 daemon.c create mode 100755 depcomp create mode 100755 doc/CONTRIBUTORS create mode 100755 doc/Doxyfile create mode 100755 doc/Makefile create mode 100755 doc/Makefile.am create mode 100755 doc/Makefile.in create mode 100755 doc/memcached.1 create mode 100755 doc/new_lru.txt create mode 100755 doc/protocol-binary-range.xml create mode 100755 doc/protocol-binary.xml create mode 100755 doc/protocol.txt create mode 100755 doc/readme.txt create mode 100755 doc/storage.txt create mode 100755 doc/threads.txt create mode 100755 doc/xml2rfc/reference.RFC.0768.xml create mode 100755 doc/xml2rfc/reference.RFC.2119.xml create mode 100755 doc/xml2rfc/rfc2629-noinc.xsl create mode 100755 doc/xml2rfc/rfc2629-other.ent create mode 100755 doc/xml2rfc/rfc2629-refchk.xsl create mode 100755 doc/xml2rfc/rfc2629-xhtml.ent create mode 100755 doc/xml2rfc/rfc2629.dtd create mode 100755 extstore.c create mode 100755 extstore.h create mode 100755 hash.c create mode 100755 hash.h create mode 100755 install-sh create mode 100755 items.c create mode 100755 items.h create mode 100755 itoa_ljust.c create mode 100755 itoa_ljust.h create mode 100755 jenkins_hash.c create mode 100755 jenkins_hash.h create mode 100755 linux_priv.c create mode 100755 logger.c create mode 100755 logger.h create mode 100755 m4/c99-backport.m4 create mode 100755 memcached.c create mode 100755 memcached.h create mode 100755 memcached.spec create mode 100755 memcached_dtrace.d create mode 100755 missing create mode 100755 murmur3_hash.c create mode 100755 murmur3_hash.h create mode 100755 openbsd_priv.c create mode 100755 protocol_binary.h create mode 100755 pslab.c create mode 100755 pslab.h create mode 100755 sasl_defs.c create mode 100755 sasl_defs.h create mode 100755 scripts/README.damemtop create mode 100755 scripts/damemtop create mode 100755 scripts/damemtop.yaml create mode 100755 scripts/memcached-automove create mode 100755 scripts/memcached-automove-extstore create mode 100755 scripts/memcached-init create mode 100755 scripts/memcached-server.upstart create mode 100755 scripts/memcached-tool create mode 100755 scripts/memcached-tool.1 create mode 100755 scripts/memcached.service create mode 100755 scripts/memcached.sysv create mode 100755 scripts/memcached.upstart create mode 100755 scripts/start-memcached create mode 100755 sizes.c create mode 100755 slab_automove.c create mode 100755 slab_automove.h create mode 100755 slab_automove_extstore.c create mode 100755 slab_automove_extstore.h create mode 100755 slabs.c create mode 100755 slabs.h create mode 100755 solaris_priv.c create mode 100755 stats.c create mode 100755 stats.h create mode 100755 storage.c create mode 100755 storage.h create mode 100755 t/00-startup.t create mode 100755 t/64bit.t create mode 100755 t/binary-extstore.t create mode 100755 t/binary-get.t create mode 100755 t/binary-sasl.t create mode 100755 t/binary.t create mode 100755 t/bogus-commands.t create mode 100755 t/cas.t create mode 100755 t/chunked-extstore.t create mode 100755 t/chunked-items.t create mode 100755 t/daemonize.t create mode 100755 t/dash-M.t create mode 100755 t/dyn-maxbytes.t create mode 100755 t/evictions.t create mode 100755 t/expirations.t create mode 100755 t/extstore-buckets.t create mode 100755 t/extstore.t create mode 100755 t/flags.t create mode 100755 t/flush-all.t create mode 100755 t/getandtouch.t create mode 100755 t/getset.t create mode 100755 t/idle-timeout.t create mode 100755 t/incrdecr.t create mode 100755 t/inline_asciihdr.t create mode 100755 t/issue_104.t create mode 100755 t/issue_108.t create mode 100755 t/issue_14.t create mode 100755 t/issue_140.t create mode 100755 t/issue_152.t create mode 100755 t/issue_163.t create mode 100755 t/issue_183.t create mode 100755 t/issue_192.t create mode 100755 t/issue_22.t create mode 100755 t/issue_260.t create mode 100755 t/issue_29.t create mode 100755 t/issue_3.t create mode 100755 t/issue_41.t create mode 100755 t/issue_42.t create mode 100755 t/issue_50.t create mode 100755 t/issue_61.t create mode 100755 t/issue_67.t create mode 100755 t/issue_68.t create mode 100755 t/issue_70.t create mode 100755 t/item_size_max.t create mode 100755 t/lib/MemcachedTest.pm create mode 100755 t/line-lengths.t create mode 100755 t/lru-crawler.t create mode 100755 t/lru-maintainer.t create mode 100755 t/lru.t create mode 100755 t/malicious-commands.t create mode 100755 t/maxconns.t create mode 100755 t/misbehave.t create mode 100755 t/multiversioning.t create mode 100755 t/noreply.t create mode 100755 t/quit.t create mode 100755 t/refhang.t create mode 100755 t/sasl/memcached.conf create mode 100755 t/slabhang.t create mode 100755 t/slabs-reassign-chunked.t create mode 100755 t/slabs-reassign2.t create mode 100755 t/slabs_reassign.t create mode 100755 t/stats-conns.t create mode 100755 t/stats-detail.t create mode 100755 t/stats.t create mode 100755 t/stress-memcached.pl create mode 100755 t/touch.t create mode 100755 t/udp.t create mode 100755 t/unixsocket.t create mode 100755 t/watcher.t create mode 100755 t/whitespace.t create mode 100755 testapp.c create mode 100755 thread.c create mode 100755 timedrun.c create mode 100755 trace.h create mode 100755 util.c create mode 100755 util.h create mode 100755 version.m4 diff --git a/AUTHORS b/AUTHORS new file mode 100755 index 0000000..fc95232 --- /dev/null +++ b/AUTHORS @@ -0,0 +1,2 @@ +Anatoly Vorobey +Brad Fitzpatrick diff --git a/COPYING b/COPYING new file mode 100755 index 0000000..4746b00 --- /dev/null +++ b/COPYING @@ -0,0 +1,30 @@ +Copyright (c) 2003, Danga Interactive, Inc. +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + + * Neither the name of the Danga Interactive nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/ChangeLog b/ChangeLog new file mode 100755 index 0000000..7ff61c6 --- /dev/null +++ b/ChangeLog @@ -0,0 +1,625 @@ +2016-08-23 + * ChangeLog moved from Google Code to Github Wiki, it's now available at: + https://github.com/memcached/memcached/wiki/ReleaseNotes + +2010-10-11 + * ChangeLog is no longer being updated. + See http://code.google.com/p/memcached/wiki/ReleaseNotes + +2009-04-10 + + * *critical bugfix*. In 1.2.7 under multithreaded mode, memcached + would never restart accepting connections after hitting the + maximum connection limit. + +2009-04-02 + + * Fix: Rewrote stat buffer handling (Trond) + +2009-03-31 + + * Feature: -b option for configuring backlog + + * Feature: stats settings + + * Fix: binary stat alignment bug (bug26) + + * Fix: buffer overflow in stats (bug27) + + * Fix: recycle memory more aggressively (bug14) + + * Fix: incr validation (bug31) + + * Fix: 64-bit incr/decr delta problem (bug21) + + * Fix: Ascii UDP set (bug36) + + * Fix: stats slabs' used chunks (bug29) + + * Fix: stats reset resetting more (bug22) + + * Misc: More tests, documentation, cleanliness (godliness) + + * Stable merge (stats, debuggability, listen bugs) + +2009-03-11 + + * Protocol: Binary complete (Dustin, Trond, Toru, etc...) + + * Performance: improvements from facebook (Dormando) + + * Performance: per-thread stats (Trond) + + * Performance: Hash expansion in its own thread (Trond) + + * Stats: Lots of new stats (Dustin) + + * Bug fixes (various) + + See the 1.3.2 release notes or revision control for more detail. + +2008-09-06 + * Display error status on listen failures (Dormando) + + * Remove managed instance code. Incomplete/etc. (Dormando) + + * Handle broken IPV6 stacks better (Brian Aker) + + * Generate warnings on setsockopt() failures (Brian Aker) + + * Fix some indentation issues (Brian Aker) + + * UDP/TCP can be disabled by setting their port to zero (Brian Aker) + + * Zero out libevent thread structures before use (Ricky Zhou) + + * New stat: Last accessed time for last evicted item per slab class. + (Dormando) + + * Use a dedicated socket accept thread (Facebook) + + * Add -R option. Limit the number of requests processed by a connection + at once. Prevents starving other threads if bulk loading. (Facebook) + +2008-07-29 [Version 1.2.6 released] + +2008-07-24 [Version 1.2.6-rc1 released] + + * Add support for newer automake (Facebook) + + * DTrace support for Solaris/etc (Trond Norbye) + + * LRU tests (Steve Yen) + + * Handle negative length items properly (Dormando) + + * Don't leave stale data after failed set attempts (Dormando) + + * Fix refcount leaks, which would result in OOM's on all sets + (Dormando) + + * Fix buffer overruns (Dustin Sallings, Tomash Brechko) + + * Fix memory corruption with CAS (Dustin Sallings) + +2008-06-11 + + * Fix -k to work with -d. (reported by Gary Zhu) + +2008-03-02 [Version 1.2.5-rc1 released] + + * Add per-item-class tracking of evictions and OOM errors (dormando) + + * Optimize item_alloc() a little (dormando) + + * Give 'SERVER_ERROR out of memory' errors more context (dormando) + + * Enable usage of large memory pages under solaris + (Trond.Norbye@Sun.COM) + + * Enable UDP by default, clean up server socket code + (brian@tangent.org) + + * 'noreply' support (Tomash Brechko) + + * IPv6 support, and IPv6 multi-interface support (brian@tangent.org) + + * Add compiler options for Sun Studio compilers with --enable-threads + (Trond.Norbye@Sun.COM) + + * Add --enable-64bit for mulitarget platforms (Trond.Norbye@Sun.COM) + + * Use gettimeofday(2) instead of time(2). + + * Make -k option work (Tomash Brechko) + + * Fix chunk slab alignment (Trond.Norbye@Sun.COM) + +2007-12-06 [Version 1.2.4 released] + +2007-12-05 + + * Fix compilation on panther (JS and Dormando) + + * More CAS tests (Chris Goffinet) + + * Final fixes for all 1.2.4 features are in, -rc2 sent out. + +2007-11-19 [Version 1.2.4-rc1 released] + +2007-11-19 Dormando + + * Patch series from Tomash Brechko : + Minor fixes and optimizations. + + * Patches from Chris, Dustin, and Dormando to fix CAS. + + * Prepping for 1.2.4 release. + +2007-11-13 Dormando + + * Adjusted patch from js : Compile on OS X Panther + and earlier. + +2007-11-12 Steven Grimm + + * Patch from Tomash Brechko : Always send + "SERVER_ERROR out of memory" when memory exhausted. + +2007-10-15 Paul Lindner + + * Patch from David Bremner that implements + a new option "-a" which takes an octal permission mask + (like chmod) sets the permissions on the unix domain socket + (specified by "-s"). + +2007-10-03 Paul Lindner + * Incorporate "cas" operation developed by Dustin + Sallings This change allows you + to do atomic changes to an existing key. + + * Fix for stats.evictions not incrementing + when exptime == 0 items are kicked off the cache. + from Jean-Francois BUSTARRET . + + * Fix for do_item_cachedump() which was returning + an incorrect timestamp. + + * Switch to unsigned 64-bit increment/decrement counters + from Evan Miller and Dustin Sallings. + + * Add append command support written by Filipe Laborde. + Thread safe version plus prepend command from Maxim Dounin + + + * The memcached-tool script can now display stats. Patch + provided by Dan Christian + + * Fix for Unix Domain sockets on FreeBSD + FreeBSD's sendmsg() requires msg_name in msghdr structure + to be NULL if not used, setting msg_namelen to 0 isn't enough. + Patch from Maxim Dounin + +2007-08-21 Paul Lindner + * Incorporate increment patch from Evan Miller + to define increment overflow + behavior. + +2007-08-07 Leon Brocard + * Bring the memcached.1 manpage up to date + +2007-08-06 Paul Lindner + * Fix crash when using -P and -d flags on x86_64 + with latest libevent release. + +2007-07-08 Steven Grimm + + * Item stats commands weren't thread-safe; wrap them with locks + when compiled in multithreaded mode. + * The "stats items" command now works again; it broke with the + introduction of the powers-of-N chunk size change. + +2007-07-06 [Version 1.2.3 released] + +2007-06-19 Paul Lindner + + * Solaris portability fixes from Trond Norbye + +2007-05-29 Paul Lindner + + * Properly document evictions statistic value + +2007-05-10 Paul Lindner + + * Flesh out tests for unix domain sockets and binary data. + * Update rpm spec file to run tests + +2007-05-07 Paul Lindner + + * Fix compilation bug on freebsd 6.x (and maybe others) + * Update RPM spec file per redhat bugzilla #238994 + * Move unistd.h to memcached.h to get rid of warnings + * Add string.h to thread.c to get correctly prototyped strerror() + +2007-05-04 Paul Lindner + + * Add fedora/redhat style init script and RPM spec file + +2007-05-12 [Version 1.2.2 released] + +2007-04-16 Steven Grimm + + * Command tokenizer performance and cleanliness improvement. + Patch contributed by Paolo Borelli . + +2007-04-16 Paul Lindner + + * Add notes to README about MacOS, libevent and kqueue. + + * Windows Patch integration -- part 1, warnings elimination. + +2007-04-12 Paul Lindner + + * Allow changes to the verbosity level of the server with a new + "verbosity" command and some compiler cleanups. + Patch contributed by Paolo Borelli . + +2007-04-08 Paul Lindner + + * Add cleanup patch from "Tim Yardley" to + clean up source spacing issues, fix -Wall warnings, add some + null checks, adds asserts at the top of each function for any + use of conn *c without checking to see if c is NULL first. + + * Also adjust clean-whitespace.pl to clean *.ac files. Add + script to test-suite to test for tabs. + +2007-04-04 Paul Lindner + + * Add clarification of flush_all in the protocol docs + from Elizabeth Mattijsen + +2007-03-31 Paul Lindner + + * Add patch from Eli Bingham to + re-enable the -n switch to memcached. + +2007-03-20 Paul Lindner + * Add patch to collect eviction statistics from + Jean-Francois BUSTARRET . + + * Updated docs, added new test cases for t/stats.t + +2007-03-18 Paul Lindner + + * Add more test cases using larger buffer sizes up to and greater + than 1MB. + + * Remove unused parameter to item_size_ok() + + * Use a single printf() in usage() + + * Add a failing test for conforming with maximum connections. + +2007-03-17 + * crash fix from Thomas van Gulick in + conn_shrink(), passing &ptr, instead of ptr to realloc(). + +2007-03-05 Paul Lindner + * Fix a number of places where (s)printf calls were using unsigned + or signed formats that did not match their arguments. + + * Add support for stdbool.h and stdint.h to use the bool and + uint8_t types. + + * Major refactoring - move API calls for assoc/items/slabs to + their own individual header files. Add appropriate const and + static declarations as appropriate. + + * Avoid type-punning. Do a more efficient realloc inside the + conn_shrink routine. + + * Fix overflow bug where uninitialized access to slabclass caused + size-0 mallocs during slab preallocation. + + * Use EXIT_SUCCESS/EXIT_FAILURE constants. + + * Convert some sprintf calls to snprintf to protect against + buffer overflows. + + * Explicitly compare against NULL or zero in many places. + +2007-03-05 + * Steven Grimm : Per-object-type stats collection + support. Specify the object type delimiter with the -D command line + option. Turn stats gathering on and off with "stats detail on" and + "stats detail off". Dump the per-object-type details with + "stats detail dump". + +2007-03-01 + * Steven Grimm : Fix an off-by-one error in the + multithreaded version's message passing code. + +2006-12-23 + * fix expirations of items set with absolute expiration times in + the past, before the server's start time. bug was introduced in + 1.2.0 with rel_time_t. Thanks to Adam Dixon + for the bug report and test case! + +2006-11-26 + * Steven Grimm : Performance improvements: + + Dynamic sizing of hashtable to reduce collisions on very large + caches and conserve memory on small caches. + + Only reposition items in the LRU queue once a minute, to reduce + overhead of accessing extremely frequently-used items. + + Stop listening for new connections until an existing one closes + if we run out of available file descriptors. + + Command parser refactoring: Add a single-pass tokenizer to cut + down on string scanning. Split the command processing into + separate functions for easier profiling and better readability. + Pass key lengths along with the keys in all API functions that + need keys, to avoid needing to call strlen() repeatedly. + +2006-11-25 + * Steve Peters : OpenBSD has a malloc.h, + but warns to use stdlib.h instead + +2006-11-22 + * Steven Grimm : Add support for multithreaded + execution. Run configure with "--enable-threads" to enable. See + doc/threads.txt for details. + +2006-11-13 + * Iain Wade : Fix for UDP responses on non-"get" + commands. + +2006-10-15 + * Steven Grimm : Dynamic sizing of hashtable to + reduce collisions on very large caches and conserve memory on + small caches. + +2006-10-13 + * Steven Grimm : New faster hash function. + +2006-09-20 + + * don't listen on UDP by default; more clear message when UDP port in use + +2006-09-09 + * release 1.2.0 (along with 1.1.13, which is the more tested branch) + + nobody has run 1.2.0 in production, to my knowledge. facebook has run + their pre-merge-with-trunk version, but bugs were discovered (and fixed) + after the merge. there might be more. you've been warned. :) + +2006-09-04 + * improved autoconf libevent detection, from the Tor project. + +2006-09-03 + * test suite and lot of expiration, delete, flush_all, etc corner + case bugs fixed (Brad Fitzpatrick) + +2006-09-02 + * Nathan Neulinger : fix breakage in expiration code + causing expiration times to not be processed correctly. + +2006-08-21 + * Nathan Neulinger : fix incompatibilities with + unix domain socket support and the UDP code and clean up stale + sockets + +2006-08-20 + * Nathan Neulinger : unix domain socket support + +2006-05-03 + * Steven Grimm : big bunch of changes: + big CPU reduction work, UDP-based interface, increased memory + efficiency. (intertwined patch, committed all together) + + or see svn commit logs + +2006-04-30 + * River Tarnell: autoconf work for Solaris 10. Brad: + merge and verify it works on Nexenta. + +2006-03-04 + * avva: bucket/generation patch (old, but Brad's just finally + committing it) + +2006-01-01 + * Brad Fitzpatrick : allocate 1 slab per class + on start-up, to avoid confusing users with out-of-memory errors + later. this is 18 MB of allocation on start, unless max memory + allowed with -m is lower, in which case only the smaller slab + classes are allocated. + +2005-08-09 + * Elizabeth Mattijsen : needed a way to flush all + memcached backend servers, but not at exactly the same time (to + reduce load peaks), I've added some simple functionality to the + memcached protocol in the "flush_all" command that allows you to + specify a time at which the flush will actually occur (instead of + always at the moment the "flush_all" command is received). + +2005-05-25 + * patch from Peter van Dijk to make + stderr unbuffered, for running under daemontools + +2005-04-04 + * patch from Don MacAskill 'flush_all' doesn't + seem to work properly. Basically, if you try to add a key which + is present, but expired, the store fails but the old key is no + longer expired. + + * release 1.1.12 + +2005-01-14 + * Date: Thu, 18 Nov 2004 15:25:59 -0600 + From: David Phillips + Here is a patch to configure.ac and Makefile.am to put the man page in + the correct location. Trying to install the man page from a + subdirectory results in the subdirectory being used in the install + path (it tries to install to doc/memcached.1). This is the correct + thing to do: + + - create a Makefile.am in the doc directory that installs the man page + with man_MANS + - modify Makefile.am in the base directory to reference the doc + directory using SUBDIRS + - modify the AC_CONFIG_FILES macro in configure.ac to output the + Makefile in doc + + +2005-01-14 + * pidfile saving support from Lisa Seelye , sent + Jan 13, 2005 + +2005-01-14 + * don't delete libevent events that haven't been added (the deltimer) + patch from Ted Schundler + +2004-12-10 + * document -M and -r in manpage (Doug Porter ) + +2004-07-22 + * fix buffer overflow in items.c with 250 byte keys along with + other info on the same line going into a 256 byte char[]. + thanks to Andrei Nigmatulin + +2004-06-15 + * immediate deletes weren't being unlinked a few seconds, + preventing "add" commands to the same key in that time period. + thanks to Michael Alan Dorman for the + bug report and demo script. + +2004-04-30 + * released 1.1.11 + +2004-04-24 + * Avva: Add a new command line option: -r , to maximize core file + limit. + +2004-03-31 + * Avva: Use getrlimit and setrlimit to set limits for number of + simultaneously open file descriptors. Get the current limits and + try to raise them if they're not enough for the specified (or the + default) setting of max connections. + +2004-02-24 + * Adds a '-M' flag to turn off tossing items from the cache. + (Jason Titus ) + +2004-02-19 (Evan) + * Install manpage on "make install", etc. + +2003-12-30 (Brad) + * remove static build stuff. interferes with PAM setuid stuff + and was only included as a possible fix with the old memory + allocator. really shouldn't make a difference. + * add Jay Bonci's Debian scripts and manpage + * release version 1.1.10 + +2003-12-01 (Avva) + * New command: flush_all, causes all existing items to + be invalidated immediately (without deleting them from + memory, merely causing memcached to no longer return them). +2003-10-23 + * Shift init code around to fix daemon mode on FreeBSD, + * and drop root only after creating the server socket (to + * allow the use of privileged ports) + * version 1.1.10pre + +2003-10-09 + * BSD compile fixes from Ryan T. Dean + * version 1.1.9 + +2003-09-29 + * ignore SIGPIPE at start instead of crashing in rare cases it + comes up. no other code had to be modified, since everything + else is already dead-connection-aware. (avva) + +2003-09-09 (Avva, Lisa Marie Seelye ) + * setuid support + +2003-09-05 (Avva) + * accept all new connections in the same event (so we work with ET epoll) + * mark all items as clsid=0 after slab page reassignment to please future + asserts (on the road to making slab page reassignment work fully) + +2003-08-12 (Brad Fitzpatrick) + * use TCP_CORK on Linux or TCP_PUSH on BSD + * only use TCP_NODELAY when we don't have alternatives + +2003-08-10 + * disable Nagel's Algorithm (TCP_NODELAY) for better performance (avva) + +2003-08-10 + * support multiple levels of verbosity (-vv) + +2003-08-10 (Evan Martin) + * Makefile.am: debug, optimization, and static flags are controlled + by the configure script. + * configure.ac: + - allow specifying libevent directory with --with-libevent=DIR + - check for malloc.h (unavailable on BSDs) + - check for socklen_t (unavailable on OSX) + * assoc.c, items.c, slabs.c: Remove some unused headers. + * memcached.c: allow for nonexistence of malloc.h; #define a POSIX + macro to import mlockall flags. + +2003-07-29 + * version 1.1.7 + * big bug fix: item exptime 0 meant expire immediately, not never + * version 1.1.8 + +2003-07-22 + * make 'delete' take second arg, of time to refuse new add/replace + * set/add/replace/delete can all take abs or delta time (delta can't + be larger than a month) + +2003-07-21 + * added doc/protocol.txt + +2003-07-01 + * report CPU usage in stats + +2003-06-30 + * version 1.1.6 + * fix a number of obscure bugs + * more stats reporting + +2003-06-10 + * removing use of Judy; use a hash. (judy caused memory fragmentation) + * shrink some structures + * security improvements + * version 1.1.0 + +2003-06-18 + * changing maxsize back to an unsigned int + +2003-06-16 + * adding PHP support + * added CONTRIBUTORS file + * version 1.0.4 + +2003-06-15 + * forgot to distribute website/api (still learning auto*) + * version 1.0.3 + +2003-06-15 + * update to version 1.0.2 + * autoconf/automake fixes for older versions + * make stats report version number + * change license from GPL to BSD + +Fri, 13 Jun 2003 10:05:51 -0700 Evan Martin + + * configure.ac, autogen.sh, Makefile.am: Use autotools. + * items.c, memcached.c: #include for time(), + printf time_t as %lu (is this correct?), + minor warnings fixes. + diff --git a/LICENSE.Lenovo.txt b/LICENSE.Lenovo.txt new file mode 100755 index 0000000..09bc7a2 --- /dev/null +++ b/LICENSE.Lenovo.txt @@ -0,0 +1,29 @@ +Copyright 2018 Lenovo. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + +2. Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + +3. Neither the name of the copyright holder nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/LICENSE.bipbuffer b/LICENSE.bipbuffer new file mode 100755 index 0000000..d5bddd2 --- /dev/null +++ b/LICENSE.bipbuffer @@ -0,0 +1,24 @@ +Copyright (c) 2011, Willem-Hendrik Thiart +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + * The names of its contributors may not be used to endorse or promote + products derived from this software without specific prior written + permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL WILLEM-HENDRIK THIART BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/Makefile.am b/Makefile.am new file mode 100755 index 0000000..712aa45 --- /dev/null +++ b/Makefile.am @@ -0,0 +1,160 @@ +bin_PROGRAMS = memcached +pkginclude_HEADERS = protocol_binary.h +noinst_PROGRAMS = memcached-debug sizes testapp timedrun + +BUILT_SOURCES= + +testapp_SOURCES = testapp.c util.c util.h + +timedrun_SOURCES = timedrun.c + +memcached_SOURCES = memcached.c memcached.h \ + hash.c hash.h \ + jenkins_hash.c jenkins_hash.h \ + murmur3_hash.c murmur3_hash.h \ + slabs.c slabs.h \ + items.c items.h \ + assoc.c assoc.h \ + thread.c daemon.c \ + stats.c stats.h \ + util.c util.h \ + trace.h cache.h sasl_defs.h \ + bipbuffer.c bipbuffer.h \ + logger.c logger.h \ + crawler.c crawler.h \ + itoa_ljust.c itoa_ljust.h \ + slab_automove.c slab_automove.h + +if BUILD_CACHE +memcached_SOURCES += cache.c +testapp_SOURCES += cache.c +endif + +if BUILD_SOLARIS_PRIVS +memcached_SOURCES += solaris_priv.c +endif + +if BUILD_LINUX_PRIVS +memcached_SOURCES += linux_priv.c +endif + +if BUILD_OPENBSD_PRIVS +memcached_SOURCES += openbsd_priv.c +endif + +if ENABLE_SASL +memcached_SOURCES += sasl_defs.c +endif + +if ENABLE_EXTSTORE +memcached_SOURCES += extstore.c extstore.h \ + crc32c.c crc32c.h \ + storage.c storage.h \ + slab_automove_extstore.c slab_automove_extstore.h +endif + +if ENABLE_PSLAB +memcached_SOURCES += pslab.c pslab.h +endif + +memcached_debug_SOURCES = $(memcached_SOURCES) +memcached_CPPFLAGS = -DNDEBUG +memcached_debug_LDADD = @PROFILER_LDFLAGS@ +memcached_debug_CFLAGS = @PROFILER_FLAGS@ + +memcached_LDADD = +memcached_DEPENDENCIES = +memcached_debug_DEPENDENCIES = +CLEANFILES= + +if BUILD_LINUX_PRIVS +memcached_LDADD += -lseccomp +memcached_debug_LDADD += -lseccomp +endif + +if BUILD_DTRACE +BUILT_SOURCES += memcached_dtrace.h +CLEANFILES += memcached_dtrace.h +endif + +if DTRACE_INSTRUMENT_OBJ +memcached_LDADD += memcached_dtrace.o +memcached_DEPENDENCIES += memcached_dtrace.o +memcached_debug_LDADD += memcached_debug_dtrace.o +memcached_debug_DEPENDENCIES += memcached_debug_dtrace.o +CLEANFILES += memcached_dtrace.o memcached_debug_dtrace.o +endif + +if ENABLE_PSLAB +memcached_LDADD += -lpmem +memcached_debug_LDADD += -lpmem +endif + +memcached_debug_CFLAGS += -DMEMCACHED_DEBUG + +memcached_dtrace.h: memcached_dtrace.d + ${DTRACE} -h -s memcached_dtrace.d + sed -e 's,void \*,const void \*,g' memcached_dtrace.h | \ + sed -e 's,char \*,const char \*,g' | tr '\t' ' ' > mmc_dtrace.tmp + mv mmc_dtrace.tmp memcached_dtrace.h + 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then \ + prove $(srcdir)/t -j ${PARALLEL}; \ + else \ + prove $(srcdir)/t; \ + fi + @if test `basename $(PROFILER)` = "gcov"; then \ + for file in memcached_debug-*.gc??; do \ + mv -f $$file `echo $$file | sed 's/memcached_debug-//'`; \ + done && \ + for file in *.gcda; do \ + srcfile=`echo $$file | sed 's/.gcda/.c/'`; \ + if test -n "`echo $(memcached_debug_SOURCES) | grep $$srcfile`"; then \ + echo `$(PROFILER) $$srcfile` | sed 's/'$$srcfile':.*//'; \ + fi \ + done \ + elif test `basename $(PROFILER)` = "tcov"; then \ + files=`grep SRCFILE memcached-debug.profile/tcovd | sed 's/SRCFILE://' | sort | uniq` && \ + $(PROFILER) -x memcached-debug.profile $$files 2>&1; \ + for file in *.tcov; do \ + srcfile=`echo $$file | sed 's/.tcov//'`; \ + if test -n "`echo $(memcached_debug_SOURCES) | grep $$srcfile`"; then \ + echo $$srcfile : `grep 'Percent of the file executed' $$file`; \ + fi \ + done \ + else :; fi + +docs: + (cat Doxyfile ; echo "PROJECT_NUMBER=`cat version.num`") | doxygen - + +dist-hook: + rm -f $(distdir)/*/*~ $(distdir)/t/lib/*~ $(distdir)/*~ + +maintainer-clean-local: + -rm Makefile.in + -rm aclocal.m4 + -rm config.guess + -rm config.sub + -rm depcomp + -rm install-sh + -rm ltmain.sh + -rm missing + -rm configure + -rm config.log + -rm config.status + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/NEWS b/NEWS new file mode 100755 index 0000000..b61f5d0 --- /dev/null +++ b/NEWS @@ -0,0 +1 @@ +http://memcached.org/ diff --git a/README.md b/README.md new file mode 100755 index 0000000..935e4cd --- /dev/null +++ b/README.md @@ -0,0 +1,37 @@ +# Memcached + +Memcached is a high performance multithreaded event-based key/value cache +store intended to be used in a distributed system. + +See: https://memcached.org/about + +A fun story explaining usage: https://memcached.org/tutorial + +If you're having trouble, try the wiki: https://memcached.org/wiki + +If you're trying to troubleshoot odd behavior or timeouts, see: +https://memcached.org/timeouts + +https://memcached.org/ is a good resource in general. Please use the mailing +list to ask questions, github issues aren't seen by everyone! + +## Dependencies + +* libevent, http://www.monkey.org/~provos/libevent/ (libevent-dev) +* libseccomp, (optional, linux) - enables process restrictions for better + security. + +## Environment + +Be warned that the -k (mlockall) option to memcached might be +dangerous when using a large cache. Just make sure the memcached machines +don't swap. memcached does non-blocking network I/O, but not disk. (it +should never go to disk, or you've lost the whole point of it) + +## Website + +* http://www.memcached.org + +## Contributing + +See https://github.com/memcached/memcached/wiki/DevelopmentRepos diff --git a/README.pmem.rst b/README.pmem.rst new file mode 100755 index 0000000..e4248f4 --- /dev/null +++ b/README.pmem.rst @@ -0,0 +1,79 @@ +Copyright and License +----------- + +Copyright 2018 Lenovo + +Licensed under the BSD-3 license. see LICENSE.Lenovo.txt for full text + +Description +----------- + +This project provides a sample of persistent memory support in memcached. It enables memcached to use persistent memory for data caching. For more information on memcached and persistent memory, visit http://www.memcached.org and http://pmem.io + +Installing +----------- + +* To install memcached with persistent memory support: + + 1. Clone the project + + 2. 'cd' to the directory where the project is cloned and invoke the 'configure' scripts: + +.. code-block:: console + + ./configure --enable-pslab + + 3. Invoke the 'make' program: + +.. code-block:: console + + make + + 4. If 'make' succeeds, you can install the program: + +.. code-block:: console + + make install + +Requirements +----------- + +Besides the libraries depended on by memcached, persistent memory enhancement needs the Persistent Memory Development Kit (PMDK) to build. PMDK is available from https://github.com/pmem/pmdk + + +Usage +----------- + +Start memcached with persistent memory +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +Assuming that the persistent memory device is '/dev/pmem0', format it with ext4 file system type: + +.. code-block:: console + + mkfs -t ext4 /dev/pmem0 + +Then mount it in dax mode: + +.. code-block:: console + + mount -o dax /dev/pmem0 /mnt/pmfs + +Finnaly start memcached: + +.. code-block:: console + + memcached -u root -o pslab_file=/mnt/pmfs/pool,pslab_force + +To use persistent memory caching all the data: + +.. code-block:: console + + memcached -u root -m 0 -o pslab_file=/mnt/pmfs/pool,pslab_force + +Restart memcached with data recovery +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +With persistent memory support enabled, memcached can recover the data stored in persistent memory back from abrupt termination caused by system panic or application crash. + +.. code-block:: console + + memcached -u root -o pslab_file=/mnt/pmfs/pool,pslab_force,pslab_recover diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100755 index 0000000..8783180 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,1181 @@ +# generated automatically by aclocal 1.15 -*- Autoconf -*- + +# Copyright (C) 1996-2014 Free Software Foundation, Inc. + +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])]) +m4_ifndef([AC_AUTOCONF_VERSION], + [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl +m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.69],, +[m4_warning([this file was generated for autoconf 2.69. +You have another version of autoconf. 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It's free." + * + * The rest of the file is licensed under the BSD license. See LICENSE. + */ + +#include "memcached.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static pthread_cond_t maintenance_cond = PTHREAD_COND_INITIALIZER; +static pthread_mutex_t maintenance_lock = PTHREAD_MUTEX_INITIALIZER; +static pthread_mutex_t hash_items_counter_lock = PTHREAD_MUTEX_INITIALIZER; + +typedef unsigned long int ub4; /* unsigned 4-byte quantities */ +typedef unsigned char ub1; /* unsigned 1-byte quantities */ + +/* how many powers of 2's worth of buckets we use */ +unsigned int hashpower = HASHPOWER_DEFAULT; + +#define hashsize(n) ((ub4)1<<(n)) +#define hashmask(n) (hashsize(n)-1) + +/* Main hash table. This is where we look except during expansion. */ +static item** primary_hashtable = 0; + +/* + * Previous hash table. During expansion, we look here for keys that haven't + * been moved over to the primary yet. + */ +static item** old_hashtable = 0; + +/* Number of items in the hash table. */ +static unsigned int hash_items = 0; + +/* Flag: Are we in the middle of expanding now? */ +static bool expanding = false; +static bool started_expanding = false; + +/* + * During expansion we migrate values with bucket granularity; this is how + * far we've gotten so far. Ranges from 0 .. hashsize(hashpower - 1) - 1. + */ +static unsigned int expand_bucket = 0; + +void assoc_init(const int hashtable_init) { + if (hashtable_init) { + hashpower = hashtable_init; + } + primary_hashtable = calloc(hashsize(hashpower), sizeof(void *)); + if (! primary_hashtable) { + fprintf(stderr, "Failed to init hashtable.\n"); + exit(EXIT_FAILURE); + } + STATS_LOCK(); + stats_state.hash_power_level = hashpower; + stats_state.hash_bytes = hashsize(hashpower) * sizeof(void *); + STATS_UNLOCK(); +} + +item *assoc_find(const char *key, const size_t nkey, const uint32_t hv) { + item *it; + unsigned int oldbucket; + + if (expanding && + (oldbucket = (hv & hashmask(hashpower - 1))) >= expand_bucket) + { + it = old_hashtable[oldbucket]; + } else { + it = primary_hashtable[hv & hashmask(hashpower)]; + } + + item *ret = NULL; + int depth = 0; + while (it) { + if ((nkey == it->nkey) && (memcmp(key, ITEM_key(it), nkey) == 0)) { + ret = it; + break; + } + it = it->h_next; + ++depth; + } + MEMCACHED_ASSOC_FIND(key, nkey, depth); + return ret; +} + +/* returns the address of the item pointer before the key. if *item == 0, + the item wasn't found */ + +static item** _hashitem_before (const char *key, const size_t nkey, const uint32_t hv) { + item **pos; + unsigned int oldbucket; + + if (expanding && + (oldbucket = (hv & hashmask(hashpower - 1))) >= expand_bucket) + { + pos = &old_hashtable[oldbucket]; + } else { + pos = &primary_hashtable[hv & hashmask(hashpower)]; + } + + while (*pos && ((nkey != (*pos)->nkey) || memcmp(key, ITEM_key(*pos), nkey))) { + pos = &(*pos)->h_next; + } + return pos; +} + +/* grows the hashtable to the next power of 2. */ +static void assoc_expand(void) { + old_hashtable = primary_hashtable; + + primary_hashtable = calloc(hashsize(hashpower + 1), sizeof(void *)); + if (primary_hashtable) { + if (settings.verbose > 1) + fprintf(stderr, "Hash table expansion starting\n"); + hashpower++; + expanding = true; + expand_bucket = 0; + STATS_LOCK(); + stats_state.hash_power_level = hashpower; + stats_state.hash_bytes += hashsize(hashpower) * sizeof(void *); + stats_state.hash_is_expanding = true; + STATS_UNLOCK(); + } else { + primary_hashtable = old_hashtable; + /* Bad news, but we can keep running. */ + } +} + +static void assoc_start_expand(void) { + if (started_expanding) + return; + + started_expanding = true; + pthread_cond_signal(&maintenance_cond); +} + +/* Note: this isn't an assoc_update. The key must not already exist to call this */ +int assoc_insert(item *it, const uint32_t hv) { + unsigned int oldbucket; + +// assert(assoc_find(ITEM_key(it), it->nkey) == 0); /* shouldn't have duplicately named things defined */ + + if (expanding && + (oldbucket = (hv & hashmask(hashpower - 1))) >= expand_bucket) + { + it->h_next = old_hashtable[oldbucket]; + old_hashtable[oldbucket] = it; + } else { + it->h_next = primary_hashtable[hv & hashmask(hashpower)]; + primary_hashtable[hv & hashmask(hashpower)] = it; + } + + pthread_mutex_lock(&hash_items_counter_lock); + hash_items++; + if (! expanding && hash_items > (hashsize(hashpower) * 3) / 2 && + hashpower < HASHPOWER_MAX) { + assoc_start_expand(); + } + pthread_mutex_unlock(&hash_items_counter_lock); + + MEMCACHED_ASSOC_INSERT(ITEM_key(it), it->nkey, hash_items); + return 1; +} + +void assoc_delete(const char *key, const size_t nkey, const uint32_t hv) { + item **before = _hashitem_before(key, nkey, hv); + + if (*before) { + item *nxt; + pthread_mutex_lock(&hash_items_counter_lock); + hash_items--; + pthread_mutex_unlock(&hash_items_counter_lock); + /* The DTrace probe cannot be triggered as the last instruction + * due to possible tail-optimization by the compiler + */ + MEMCACHED_ASSOC_DELETE(key, nkey, hash_items); + nxt = (*before)->h_next; + (*before)->h_next = 0; /* probably pointless, but whatever. */ + *before = nxt; + return; + } + /* Note: we never actually get here. the callers don't delete things + they can't find. */ + assert(*before != 0); +} + + +static volatile int do_run_maintenance_thread = 1; + +#define DEFAULT_HASH_BULK_MOVE 1 +int hash_bulk_move = DEFAULT_HASH_BULK_MOVE; + +static void *assoc_maintenance_thread(void *arg) { + + mutex_lock(&maintenance_lock); + while (do_run_maintenance_thread) { + int ii = 0; + + /* There is only one expansion thread, so no need to global lock. */ + for (ii = 0; ii < hash_bulk_move && expanding; ++ii) { + item *it, *next; + unsigned int bucket; + void *item_lock = NULL; + + /* bucket = hv & hashmask(hashpower) =>the bucket of hash table + * is the lowest N bits of the hv, and the bucket of item_locks is + * also the lowest M bits of hv, and N is greater than M. + * So we can process expanding with only one item_lock. cool! */ + if ((item_lock = item_trylock(expand_bucket))) { + for (it = old_hashtable[expand_bucket]; NULL != it; it = next) { + next = it->h_next; + bucket = hash(ITEM_key(it), it->nkey) & hashmask(hashpower); + it->h_next = primary_hashtable[bucket]; + primary_hashtable[bucket] = it; + } + + old_hashtable[expand_bucket] = NULL; + + expand_bucket++; + if (expand_bucket == hashsize(hashpower - 1)) { + expanding = false; + free(old_hashtable); + STATS_LOCK(); + stats_state.hash_bytes -= hashsize(hashpower - 1) * sizeof(void *); + stats_state.hash_is_expanding = false; + STATS_UNLOCK(); + if (settings.verbose > 1) + fprintf(stderr, "Hash table expansion done\n"); + } + + } else { + usleep(10*1000); + } + + if (item_lock) { + item_trylock_unlock(item_lock); + item_lock = NULL; + } + } + + if (!expanding) { + /* We are done expanding.. just wait for next invocation */ + started_expanding = false; + pthread_cond_wait(&maintenance_cond, &maintenance_lock); + /* assoc_expand() swaps out the hash table entirely, so we need + * all threads to not hold any references related to the hash + * table while this happens. + * This is instead of a more complex, possibly slower algorithm to + * allow dynamic hash table expansion without causing significant + * wait times. + */ + pause_threads(PAUSE_ALL_THREADS); + assoc_expand(); + pause_threads(RESUME_ALL_THREADS); + } + } + return NULL; +} + +static pthread_t maintenance_tid; + +int start_assoc_maintenance_thread() { + int ret; + char *env = getenv("MEMCACHED_HASH_BULK_MOVE"); + if (env != NULL) { + hash_bulk_move = atoi(env); + if (hash_bulk_move == 0) { + hash_bulk_move = DEFAULT_HASH_BULK_MOVE; + } + } + pthread_mutex_init(&maintenance_lock, NULL); + if ((ret = pthread_create(&maintenance_tid, NULL, + assoc_maintenance_thread, NULL)) != 0) { + fprintf(stderr, "Can't create thread: %s\n", strerror(ret)); + return -1; + } + return 0; +} + +void stop_assoc_maintenance_thread() { + mutex_lock(&maintenance_lock); + do_run_maintenance_thread = 0; + pthread_cond_signal(&maintenance_cond); + mutex_unlock(&maintenance_lock); + + /* Wait for the maintenance thread to stop */ + pthread_join(maintenance_tid, NULL); +} + diff --git a/assoc.h b/assoc.h new file mode 100755 index 0000000..dda39a0 --- /dev/null +++ b/assoc.h @@ -0,0 +1,10 @@ +/* associative array */ +void assoc_init(const int hashpower_init); +item *assoc_find(const char *key, const size_t nkey, const uint32_t hv); +int assoc_insert(item *item, const uint32_t hv); +void assoc_delete(const char *key, const size_t nkey, const uint32_t hv); +void do_assoc_move_next_bucket(void); +int start_assoc_maintenance_thread(void); +void stop_assoc_maintenance_thread(void); +extern unsigned int hashpower; +extern unsigned int item_lock_hashpower; diff --git a/bipbuffer.c b/bipbuffer.c new file mode 100755 index 0000000..1ff1687 --- /dev/null +++ b/bipbuffer.c @@ -0,0 +1,180 @@ +/** + * Copyright (c) 2011, Willem-Hendrik Thiart + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE.bipbuffer file. + * + * @file + * @author Willem Thiart himself@willemthiart.com + */ + +#include "stdio.h" +#include + +/* for memcpy */ +#include + +#include "bipbuffer.h" + +static size_t bipbuf_sizeof(const unsigned int size) +{ + return sizeof(bipbuf_t) + size; +} + +int bipbuf_unused(const bipbuf_t* me) +{ + if (1 == me->b_inuse) + /* distance between region B and region A */ + return me->a_start - me->b_end; + else + return me->size - me->a_end; +} + +int bipbuf_size(const bipbuf_t* me) +{ + return me->size; +} + +int bipbuf_used(const bipbuf_t* me) +{ + return (me->a_end - me->a_start) + me->b_end; +} + +void bipbuf_init(bipbuf_t* me, const unsigned int size) +{ + me->a_start = me->a_end = me->b_end = 0; + me->size = size; + me->b_inuse = 0; +} + +bipbuf_t *bipbuf_new(const unsigned int size) +{ + bipbuf_t *me = malloc(bipbuf_sizeof(size)); + if (!me) + return NULL; + bipbuf_init(me, size); + return me; +} + +void bipbuf_free(bipbuf_t* me) +{ + free(me); +} + +int bipbuf_is_empty(const bipbuf_t* me) +{ + return me->a_start == me->a_end; +} + +/* find out if we should turn on region B + * ie. is the distance from A to buffer's end less than B to A? */ +static void __check_for_switch_to_b(bipbuf_t* me) +{ + if (me->size - me->a_end < me->a_start - me->b_end) + me->b_inuse = 1; +} + +/* TODO: DOCUMENT THESE TWO FUNCTIONS */ +unsigned char *bipbuf_request(bipbuf_t* me, const int size) +{ + if (bipbuf_unused(me) < size) + return 0; + if (1 == me->b_inuse) + { + return (unsigned char *)me->data + me->b_end; + } + else + { + return (unsigned char *)me->data + me->a_end; + } +} + +int bipbuf_push(bipbuf_t* me, const int size) +{ + if (bipbuf_unused(me) < size) + return 0; + + if (1 == me->b_inuse) + { + me->b_end += size; + } + else + { + me->a_end += size; + } + + __check_for_switch_to_b(me); + return size; +} + +int bipbuf_offer(bipbuf_t* me, const unsigned char *data, const int size) +{ + /* not enough space */ + if (bipbuf_unused(me) < size) + return 0; + + if (1 == me->b_inuse) + { + memcpy(me->data + me->b_end, data, size); + me->b_end += size; + } + else + { + memcpy(me->data + me->a_end, data, size); + me->a_end += size; + } + + __check_for_switch_to_b(me); + return size; +} + +unsigned char *bipbuf_peek(const bipbuf_t* me, const unsigned int size) +{ + /* make sure we can actually peek at this data */ + if (me->size < me->a_start + size) + return NULL; + + if (bipbuf_is_empty(me)) + return NULL; + + return (unsigned char *)me->data + me->a_start; +} + +unsigned char *bipbuf_peek_all(const bipbuf_t* me, unsigned int *size) +{ + if (bipbuf_is_empty(me)) + return NULL; + + *size = me->a_end - me->a_start; + return (unsigned char*)me->data + me->a_start; +} + +unsigned char *bipbuf_poll(bipbuf_t* me, const unsigned int size) +{ + if (bipbuf_is_empty(me)) + return NULL; + + /* make sure we can actually poll this data */ + if (me->size < me->a_start + size) + return NULL; + + void *end = me->data + me->a_start; + me->a_start += size; + + /* we seem to be empty.. */ + if (me->a_start == me->a_end) + { + /* replace a with region b */ + if (1 == me->b_inuse) + { + me->a_start = 0; + me->a_end = me->b_end; + me->b_end = me->b_inuse = 0; + } + else + /* safely move cursor back to the start because we are empty */ + me->a_start = me->a_end = 0; + } + + __check_for_switch_to_b(me); + return end; +} diff --git a/bipbuffer.h b/bipbuffer.h new file mode 100755 index 0000000..b6ee56e --- /dev/null +++ b/bipbuffer.h @@ -0,0 +1,87 @@ +#ifndef BIPBUFFER_H +#define BIPBUFFER_H + +typedef struct +{ + unsigned long int size; + + /* region A */ + unsigned int a_start, a_end; + + /* region B */ + unsigned int b_end; + + /* is B inuse? */ + int b_inuse; + + unsigned char data[]; +} bipbuf_t; + +/** + * Create a new bip buffer. + * + * malloc()s space + * + * @param[in] size The size of the buffer */ +bipbuf_t *bipbuf_new(const unsigned int size); + +/** + * Initialise a bip buffer. Use memory provided by user. + * + * No malloc()s are performed. + * + * @param[in] size The size of the array */ +void bipbuf_init(bipbuf_t* me, const unsigned int size); + +/** + * Free the bip buffer */ +void bipbuf_free(bipbuf_t *me); + +/* TODO: DOCUMENTATION */ +unsigned char *bipbuf_request(bipbuf_t* me, const int size); +int bipbuf_push(bipbuf_t* me, const int size); + +/** + * @param[in] data The data to be offered to the buffer + * @param[in] size The size of the data to be offered + * @return number of bytes offered */ +int bipbuf_offer(bipbuf_t *me, const unsigned char *data, const int size); + +/** + * Look at data. Don't move cursor + * + * @param[in] len The length of the data to be peeked + * @return data on success, NULL if we can't peek at this much data */ +unsigned char *bipbuf_peek(const bipbuf_t* me, const unsigned int len); + +/** + * Look at data. Don't move cursor + * + * @param[in] len The length of the data returned + * @return data on success, NULL if nothing available */ +unsigned char *bipbuf_peek_all(const bipbuf_t* me, unsigned int *len); + +/** + * Get pointer to data to read. Move the cursor on. + * + * @param[in] len The length of the data to be polled + * @return pointer to data, NULL if we can't poll this much data */ +unsigned char *bipbuf_poll(bipbuf_t* me, const unsigned int size); + +/** + * @return the size of the bipbuffer */ +int bipbuf_size(const bipbuf_t* me); + +/** + * @return 1 if buffer is empty; 0 otherwise */ +int bipbuf_is_empty(const bipbuf_t* me); + +/** + * @return how much space we have assigned */ +int bipbuf_used(const bipbuf_t* cb); + +/** + * @return bytes of unused space */ +int bipbuf_unused(const bipbuf_t* me); + +#endif /* BIPBUFFER_H */ diff --git a/cache.c b/cache.c new file mode 100755 index 0000000..0ccda9c --- /dev/null +++ b/cache.c @@ -0,0 +1,155 @@ +/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +#include +#include +#include + +#ifndef NDEBUG +#include +#endif + +#include "cache.h" + +#ifndef NDEBUG +const uint64_t redzone_pattern = 0xdeadbeefcafebabe; +int cache_error = 0; +#endif + +const int initial_pool_size = 64; + +cache_t* cache_create(const char *name, size_t bufsize, size_t align, + cache_constructor_t* constructor, + cache_destructor_t* destructor) { + cache_t* ret = calloc(1, sizeof(cache_t)); + char* nm = strdup(name); + void** ptr = calloc(initial_pool_size, sizeof(void*)); + if (ret == NULL || nm == NULL || ptr == NULL || + pthread_mutex_init(&ret->mutex, NULL) == -1) { + free(ret); + free(nm); + free(ptr); + return NULL; + } + + ret->name = nm; + ret->ptr = ptr; + ret->freetotal = initial_pool_size; + ret->constructor = constructor; + ret->destructor = destructor; + +#ifndef NDEBUG + ret->bufsize = bufsize + 2 * sizeof(redzone_pattern); +#else + ret->bufsize = bufsize; +#endif + + return ret; +} + +static inline void* get_object(void *ptr) { +#ifndef NDEBUG + uint64_t *pre = ptr; + return pre + 1; +#else + return ptr; +#endif +} + +void cache_destroy(cache_t *cache) { + while (cache->freecurr > 0) { + void *ptr = cache->ptr[--cache->freecurr]; + if (cache->destructor) { + cache->destructor(get_object(ptr), NULL); + } + free(ptr); + } + free(cache->name); + free(cache->ptr); + pthread_mutex_destroy(&cache->mutex); + free(cache); +} + +void* cache_alloc(cache_t *cache) { + void *ret; + pthread_mutex_lock(&cache->mutex); + ret = do_cache_alloc(cache); + pthread_mutex_unlock(&cache->mutex); + return ret; +} + +void* do_cache_alloc(cache_t *cache) { + void *ret; + void *object; + if (cache->freecurr > 0) { + ret = cache->ptr[--cache->freecurr]; + object = get_object(ret); + } else { + object = ret = malloc(cache->bufsize); + if (ret != NULL) { + object = get_object(ret); + + if (cache->constructor != NULL && + cache->constructor(object, NULL, 0) != 0) { + free(ret); + object = NULL; + } + } + } + +#ifndef NDEBUG + if (object != NULL) { + /* add a simple form of buffer-check */ + uint64_t *pre = ret; + *pre = redzone_pattern; + ret = pre+1; + memcpy(((char*)ret) + cache->bufsize - (2 * sizeof(redzone_pattern)), + &redzone_pattern, sizeof(redzone_pattern)); + } +#endif + + return object; +} + +void cache_free(cache_t *cache, void *ptr) { + pthread_mutex_lock(&cache->mutex); + do_cache_free(cache, ptr); + pthread_mutex_unlock(&cache->mutex); +} + +void do_cache_free(cache_t *cache, void *ptr) { +#ifndef NDEBUG + /* validate redzone... */ + if (memcmp(((char*)ptr) + cache->bufsize - (2 * sizeof(redzone_pattern)), + &redzone_pattern, sizeof(redzone_pattern)) != 0) { + raise(SIGABRT); + cache_error = 1; + return; + } + uint64_t *pre = ptr; + --pre; + if (*pre != redzone_pattern) { + raise(SIGABRT); + cache_error = -1; + return; + } + ptr = pre; +#endif + if (cache->freecurr < cache->freetotal) { + cache->ptr[cache->freecurr++] = ptr; + } else { + /* try to enlarge free connections array */ + size_t newtotal = cache->freetotal * 2; + void **new_free = realloc(cache->ptr, sizeof(char *) * newtotal); + if (new_free) { + cache->freetotal = newtotal; + cache->ptr = new_free; + cache->ptr[cache->freecurr++] = ptr; + } else { + if (cache->destructor) { + cache->destructor(ptr, NULL); + } + free(ptr); + + } + } +} + diff --git a/cache.h b/cache.h new file mode 100755 index 0000000..42eb989 --- /dev/null +++ b/cache.h @@ -0,0 +1,120 @@ +/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +#ifndef CACHE_H +#define CACHE_H +#include + +#ifdef HAVE_UMEM_H +#include +#define cache_t umem_cache_t +#define cache_alloc(a) umem_cache_alloc(a, UMEM_DEFAULT) +#define do_cache_alloc(a) umem_cache_alloc(a, UMEM_DEFAULT) +#define cache_free(a, b) umem_cache_free(a, b) +#define do_cache_free(a, b) umem_cache_free(a, b) +#define cache_create(a,b,c,d,e) umem_cache_create((char*)a, b, c, d, e, NULL, NULL, NULL, 0) +#define cache_destroy(a) umem_cache_destroy(a); + +#else + +#ifndef NDEBUG +/* may be used for debug purposes */ +extern int cache_error; +#endif + +/** + * Constructor used to initialize allocated objects + * + * @param obj pointer to the object to initialized. + * @param notused1 This parameter is currently not used. + * @param notused2 This parameter is currently not used. + * @return you should return 0, but currently this is not checked + */ +typedef int cache_constructor_t(void* obj, void* notused1, int notused2); +/** + * Destructor used to clean up allocated objects before they are + * returned to the operating system. + * + * @param obj pointer to the object to clean up. + * @param notused1 This parameter is currently not used. + * @param notused2 This parameter is currently not used. + * @return you should return 0, but currently this is not checked + */ +typedef void cache_destructor_t(void* obj, void* notused); + +/** + * Definition of the structure to keep track of the internal details of + * the cache allocator. Touching any of these variables results in + * undefined behavior. + */ +typedef struct { + /** Mutex to protect access to the structure */ + pthread_mutex_t mutex; + /** Name of the cache objects in this cache (provided by the caller) */ + char *name; + /** List of pointers to available buffers in this cache */ + void **ptr; + /** The size of each element in this cache */ + size_t bufsize; + /** The capacity of the list of elements */ + int freetotal; + /** The current number of free elements */ + int freecurr; + /** The constructor to be called each time we allocate more memory */ + cache_constructor_t* constructor; + /** The destructor to be called each time before we release memory */ + cache_destructor_t* destructor; +} cache_t; + +/** + * Create an object cache. + * + * The object cache will let you allocate objects of the same size. It is fully + * MT safe, so you may allocate objects from multiple threads without having to + * do any synchronization in the application code. + * + * @param name the name of the object cache. This name may be used for debug purposes + * and may help you track down what kind of object you have problems with + * (buffer overruns, leakage etc) + * @param bufsize the size of each object in the cache + * @param align the alignment requirements of the objects in the cache. + * @param constructor the function to be called to initialize memory when we need + * to allocate more memory from the os. + * @param destructor the function to be called before we release the memory back + * to the os. + * @return a handle to an object cache if successful, NULL otherwise. + */ +cache_t* cache_create(const char* name, size_t bufsize, size_t align, + cache_constructor_t* constructor, + cache_destructor_t* destructor); +/** + * Destroy an object cache. + * + * Destroy and invalidate an object cache. You should return all buffers allocated + * with cache_alloc by using cache_free before calling this function. Not doing + * so results in undefined behavior (the buffers may or may not be invalidated) + * + * @param handle the handle to the object cache to destroy. + */ +void cache_destroy(cache_t* handle); +/** + * Allocate an object from the cache. + * + * @param handle the handle to the object cache to allocate from + * @return a pointer to an initialized object from the cache, or NULL if + * the allocation cannot be satisfied. + */ +void* cache_alloc(cache_t* handle); +void* do_cache_alloc(cache_t* handle); +/** + * Return an object back to the cache. + * + * The caller should return the object in an initialized state so that + * the object may be returned in an expected state from cache_alloc. + * + * @param handle handle to the object cache to return the object to + * @param ptr pointer to the object to return. + */ +void cache_free(cache_t* handle, void* ptr); +void do_cache_free(cache_t* handle, void* ptr); +#endif + +#endif diff --git a/compile b/compile new file mode 100755 index 0000000..a85b723 --- /dev/null +++ b/compile @@ -0,0 +1,347 @@ +#! /bin/sh +# Wrapper for compilers which do not understand '-c -o'. + +scriptversion=2012-10-14.11; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. +# Written by Tom Tromey . +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# This file is maintained in Automake, please report +# bugs to or send patches to +# . + +nl=' +' + +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent tools from complaining about whitespace usage. +IFS=" "" $nl" + +file_conv= + +# func_file_conv build_file lazy +# Convert a $build file to $host form and store it in $file +# Currently only supports Windows hosts. If the determined conversion +# type is listed in (the comma separated) LAZY, no conversion will +# take place. +func_file_conv () +{ + file=$1 + case $file in + / | /[!/]*) # absolute file, and not a UNC file + if test -z "$file_conv"; then + # lazily determine how to convert abs files + case `uname -s` in + MINGW*) + file_conv=mingw + ;; + CYGWIN*) + file_conv=cygwin + ;; + *) + file_conv=wine + ;; + esac + fi + case $file_conv/,$2, in + *,$file_conv,*) + ;; + mingw/*) + file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'` + ;; + cygwin/*) + file=`cygpath -m "$file" || echo "$file"` + ;; + wine/*) + file=`winepath -w "$file" || echo "$file"` + ;; + esac + ;; + esac +} + +# func_cl_dashL linkdir +# Make cl look for libraries in LINKDIR +func_cl_dashL () +{ + func_file_conv "$1" + if test -z "$lib_path"; then + lib_path=$file + else + lib_path="$lib_path;$file" + fi + linker_opts="$linker_opts -LIBPATH:$file" +} + +# func_cl_dashl library +# Do a library search-path lookup for cl +func_cl_dashl () +{ + lib=$1 + found=no + save_IFS=$IFS + IFS=';' + for dir in $lib_path $LIB + do + IFS=$save_IFS + if $shared && test -f "$dir/$lib.dll.lib"; then + found=yes + lib=$dir/$lib.dll.lib + break + fi + if test -f "$dir/$lib.lib"; then + found=yes + lib=$dir/$lib.lib + break + fi + if test -f "$dir/lib$lib.a"; then + found=yes + lib=$dir/lib$lib.a + break + fi + done + IFS=$save_IFS + + if test "$found" != yes; then + lib=$lib.lib + fi +} + +# func_cl_wrapper cl arg... +# Adjust compile command to suit cl +func_cl_wrapper () +{ + # Assume a capable shell + lib_path= + shared=: + linker_opts= + for arg + do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + eat=1 + case $2 in + *.o | *.[oO][bB][jJ]) + func_file_conv "$2" + set x "$@" -Fo"$file" + shift + ;; + *) + func_file_conv "$2" + set x "$@" -Fe"$file" + shift + ;; + esac + ;; + -I) + eat=1 + func_file_conv "$2" mingw + set x "$@" -I"$file" + shift + ;; + -I*) + func_file_conv "${1#-I}" mingw + set x "$@" -I"$file" + shift + ;; + -l) + eat=1 + func_cl_dashl "$2" + set x "$@" "$lib" + shift + ;; + -l*) + func_cl_dashl "${1#-l}" + set x "$@" "$lib" + shift + ;; + -L) + eat=1 + func_cl_dashL "$2" + ;; + -L*) + func_cl_dashL "${1#-L}" + ;; + -static) + shared=false + ;; + -Wl,*) + arg=${1#-Wl,} + save_ifs="$IFS"; IFS=',' + for flag in $arg; do + IFS="$save_ifs" + linker_opts="$linker_opts $flag" + done + IFS="$save_ifs" + ;; + -Xlinker) + eat=1 + linker_opts="$linker_opts $2" + ;; + -*) + set x "$@" "$1" + shift + ;; + *.cc | *.CC | *.cxx | *.CXX | *.[cC]++) + func_file_conv "$1" + set x "$@" -Tp"$file" + shift + ;; + *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO]) + func_file_conv "$1" mingw + set x "$@" "$file" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift + done + if test -n "$linker_opts"; then + linker_opts="-link$linker_opts" + fi + exec "$@" $linker_opts + exit 1 +} + +eat= + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: compile [--help] [--version] PROGRAM [ARGS] + +Wrapper for compilers which do not understand '-c -o'. +Remove '-o dest.o' from ARGS, run PROGRAM with the remaining +arguments, and rename the output as expected. + +If you are trying to build a whole package this is not the +right script to run: please start by reading the file 'INSTALL'. + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "compile $scriptversion" + exit $? + ;; + cl | *[/\\]cl | cl.exe | *[/\\]cl.exe ) + func_cl_wrapper "$@" # Doesn't return... + ;; +esac + +ofile= +cfile= + +for arg +do + if test -n "$eat"; then + eat= + else + case $1 in + -o) + # configure might choose to run compile as 'compile cc -o foo foo.c'. + # So we strip '-o arg' only if arg is an object. + eat=1 + case $2 in + *.o | *.obj) + ofile=$2 + ;; + *) + set x "$@" -o "$2" + shift + ;; + esac + ;; + *.c) + cfile=$1 + set x "$@" "$1" + shift + ;; + *) + set x "$@" "$1" + shift + ;; + esac + fi + shift +done + +if test -z "$ofile" || test -z "$cfile"; then + # If no '-o' option was seen then we might have been invoked from a + # pattern rule where we don't need one. That is ok -- this is a + # normal compilation that the losing compiler can handle. If no + # '.c' file was seen then we are probably linking. That is also + # ok. + exec "$@" +fi + +# Name of file we expect compiler to create. +cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'` + +# Create the lock directory. +# Note: use '[/\\:.-]' here to ensure that we don't use the same name +# that we are using for the .o file. Also, base the name on the expected +# object file name, since that is what matters with a parallel build. +lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d +while true; do + if mkdir "$lockdir" >/dev/null 2>&1; then + break + fi + sleep 1 +done +# FIXME: race condition here if user kills between mkdir and trap. +trap "rmdir '$lockdir'; exit 1" 1 2 15 + +# Run the compile. +"$@" +ret=$? + +if test -f "$cofile"; then + test "$cofile" = "$ofile" || mv "$cofile" "$ofile" +elif test -f "${cofile}bj"; then + test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile" +fi + +rmdir "$lockdir" +exit $ret + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/config.guess b/config.guess new file mode 100755 index 0000000..1659250 --- /dev/null +++ b/config.guess @@ -0,0 +1,1441 @@ +#! /bin/sh +# Attempt to guess a canonical system name. +# Copyright 1992-2015 Free Software Foundation, Inc. + +timestamp='2015-08-20' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). +# +# Originally written by Per Bothner; maintained since 2000 by Ben Elliston. +# +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD +# +# Please send patches to . + + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] + +Output the configuration name of the system \`$me' is run on. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.guess ($timestamp) + +Originally written by Per Bothner. +Copyright 1992-2015 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" >&2 + exit 1 ;; + * ) + break ;; + esac +done + +if test $# != 0; then + echo "$me: too many arguments$help" >&2 + exit 1 +fi + +trap 'exit 1' 1 2 15 + +# CC_FOR_BUILD -- compiler used by this script. Note that the use of a +# compiler to aid in system detection is discouraged as it requires +# temporary files to be created and, as you can see below, it is a +# headache to deal with in a portable fashion. + +# Historically, `CC_FOR_BUILD' used to be named `HOST_CC'. We still +# use `HOST_CC' if defined, but it is deprecated. + +# Portable tmp directory creation inspired by the Autoconf team. + +set_cc_for_build=' +trap "exitcode=\$?; (rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null) && exit \$exitcode" 0 ; +trap "rm -f \$tmpfiles 2>/dev/null; rmdir \$tmp 2>/dev/null; exit 1" 1 2 13 15 ; +: ${TMPDIR=/tmp} ; + { tmp=`(umask 077 && mktemp -d "$TMPDIR/cgXXXXXX") 2>/dev/null` && test -n "$tmp" && test -d "$tmp" ; } || + { test -n "$RANDOM" && tmp=$TMPDIR/cg$$-$RANDOM && (umask 077 && mkdir $tmp) ; } || + { tmp=$TMPDIR/cg-$$ && (umask 077 && mkdir $tmp) && echo "Warning: creating insecure temp directory" >&2 ; } || + { echo "$me: cannot create a temporary directory in $TMPDIR" >&2 ; exit 1 ; } ; +dummy=$tmp/dummy ; +tmpfiles="$dummy.c $dummy.o $dummy.rel $dummy" ; +case $CC_FOR_BUILD,$HOST_CC,$CC in + ,,) echo "int x;" > $dummy.c ; + for c in cc gcc c89 c99 ; do + if ($c -c -o $dummy.o $dummy.c) >/dev/null 2>&1 ; then + CC_FOR_BUILD="$c"; break ; + fi ; + done ; + if test x"$CC_FOR_BUILD" = x ; then + CC_FOR_BUILD=no_compiler_found ; + fi + ;; + ,,*) CC_FOR_BUILD=$CC ;; + ,*,*) CC_FOR_BUILD=$HOST_CC ;; +esac ; set_cc_for_build= ;' + +# This is needed to find uname on a Pyramid OSx when run in the BSD universe. +# (ghazi@noc.rutgers.edu 1994-08-24) +if (test -f /.attbin/uname) >/dev/null 2>&1 ; then + PATH=$PATH:/.attbin ; export PATH +fi + +UNAME_MACHINE=`(uname -m) 2>/dev/null` || UNAME_MACHINE=unknown +UNAME_RELEASE=`(uname -r) 2>/dev/null` || UNAME_RELEASE=unknown +UNAME_SYSTEM=`(uname -s) 2>/dev/null` || UNAME_SYSTEM=unknown +UNAME_VERSION=`(uname -v) 2>/dev/null` || UNAME_VERSION=unknown + +case "${UNAME_SYSTEM}" in +Linux|GNU|GNU/*) + # If the system lacks a compiler, then just pick glibc. + # We could probably try harder. + LIBC=gnu + + eval $set_cc_for_build + cat <<-EOF > $dummy.c + #include + #if defined(__UCLIBC__) + LIBC=uclibc + #elif defined(__dietlibc__) + LIBC=dietlibc + #else + LIBC=gnu + #endif + EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^LIBC' | sed 's, ,,g'` + ;; +esac + +# Note: order is significant - the case branches are not exclusive. + +case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in + *:NetBSD:*:*) + # NetBSD (nbsd) targets should (where applicable) match one or + # more of the tuples: *-*-netbsdelf*, *-*-netbsdaout*, + # *-*-netbsdecoff* and *-*-netbsd*. For targets that recently + # switched to ELF, *-*-netbsd* would select the old + # object file format. This provides both forward + # compatibility and a consistent mechanism for selecting the + # object file format. + # + # Note: NetBSD doesn't particularly care about the vendor + # portion of the name. We always set it to "unknown". + sysctl="sysctl -n hw.machine_arch" + UNAME_MACHINE_ARCH=`(uname -p 2>/dev/null || \ + /sbin/$sysctl 2>/dev/null || \ + /usr/sbin/$sysctl 2>/dev/null || \ + echo unknown)` + case "${UNAME_MACHINE_ARCH}" in + armeb) machine=armeb-unknown ;; + arm*) machine=arm-unknown ;; + sh3el) machine=shl-unknown ;; + sh3eb) machine=sh-unknown ;; + sh5el) machine=sh5le-unknown ;; + earmv*) + arch=`echo ${UNAME_MACHINE_ARCH} | sed -e 's,^e\(armv[0-9]\).*$,\1,'` + endian=`echo ${UNAME_MACHINE_ARCH} | sed -ne 's,^.*\(eb\)$,\1,p'` + machine=${arch}${endian}-unknown + ;; + *) machine=${UNAME_MACHINE_ARCH}-unknown ;; + esac + # The Operating System including object format, if it has switched + # to ELF recently, or will in the future. + case "${UNAME_MACHINE_ARCH}" in + arm*|earm*|i386|m68k|ns32k|sh3*|sparc|vax) + eval $set_cc_for_build + if echo __ELF__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ELF__ + then + # Once all utilities can be ECOFF (netbsdecoff) or a.out (netbsdaout). + # Return netbsd for either. FIX? + os=netbsd + else + os=netbsdelf + fi + ;; + *) + os=netbsd + ;; + esac + # Determine ABI tags. + case "${UNAME_MACHINE_ARCH}" in + earm*) + expr='s/^earmv[0-9]/-eabi/;s/eb$//' + abi=`echo ${UNAME_MACHINE_ARCH} | sed -e "$expr"` + ;; + esac + # The OS release + # Debian GNU/NetBSD machines have a different userland, and + # thus, need a distinct triplet. However, they do not need + # kernel version information, so it can be replaced with a + # suitable tag, in the style of linux-gnu. + case "${UNAME_VERSION}" in + Debian*) + release='-gnu' + ;; + *) + release=`echo ${UNAME_RELEASE} | sed -e 's/[-_].*//' | cut -d. -f1,2` + ;; + esac + # Since CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM: + # contains redundant information, the shorter form: + # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used. + echo "${machine}-${os}${release}${abi}" + exit ;; + *:Bitrig:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE} + exit ;; + *:OpenBSD:*:*) + UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'` + echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE} + exit ;; + *:ekkoBSD:*:*) + echo ${UNAME_MACHINE}-unknown-ekkobsd${UNAME_RELEASE} + exit ;; + *:SolidBSD:*:*) + echo ${UNAME_MACHINE}-unknown-solidbsd${UNAME_RELEASE} + exit ;; + macppc:MirBSD:*:*) + echo powerpc-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:MirBSD:*:*) + echo ${UNAME_MACHINE}-unknown-mirbsd${UNAME_RELEASE} + exit ;; + *:Sortix:*:*) + echo ${UNAME_MACHINE}-unknown-sortix + exit ;; + alpha:OSF1:*:*) + case $UNAME_RELEASE in + *4.0) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $3}'` + ;; + *5.*) + UNAME_RELEASE=`/usr/sbin/sizer -v | awk '{print $4}'` + ;; + esac + # According to Compaq, /usr/sbin/psrinfo has been available on + # OSF/1 and Tru64 systems produced since 1995. I hope that + # covers most systems running today. This code pipes the CPU + # types through head -n 1, so we only detect the type of CPU 0. + ALPHA_CPU_TYPE=`/usr/sbin/psrinfo -v | sed -n -e 's/^ The alpha \(.*\) processor.*$/\1/p' | head -n 1` + case "$ALPHA_CPU_TYPE" in + "EV4 (21064)") + UNAME_MACHINE="alpha" ;; + "EV4.5 (21064)") + UNAME_MACHINE="alpha" ;; + "LCA4 (21066/21068)") + UNAME_MACHINE="alpha" ;; + "EV5 (21164)") + UNAME_MACHINE="alphaev5" ;; + "EV5.6 (21164A)") + UNAME_MACHINE="alphaev56" ;; + "EV5.6 (21164PC)") + UNAME_MACHINE="alphapca56" ;; + "EV5.7 (21164PC)") + UNAME_MACHINE="alphapca57" ;; + "EV6 (21264)") + UNAME_MACHINE="alphaev6" ;; + "EV6.7 (21264A)") + UNAME_MACHINE="alphaev67" ;; + "EV6.8CB (21264C)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8AL (21264B)") + UNAME_MACHINE="alphaev68" ;; + "EV6.8CX (21264D)") + UNAME_MACHINE="alphaev68" ;; + "EV6.9A (21264/EV69A)") + UNAME_MACHINE="alphaev69" ;; + "EV7 (21364)") + UNAME_MACHINE="alphaev7" ;; + "EV7.9 (21364A)") + UNAME_MACHINE="alphaev79" ;; + esac + # A Pn.n version is a patched version. + # A Vn.n version is a released version. + # A Tn.n version is a released field test version. + # A Xn.n version is an unreleased experimental baselevel. + # 1.2 uses "1.2" for uname -r. + echo ${UNAME_MACHINE}-dec-osf`echo ${UNAME_RELEASE} | sed -e 's/^[PVTX]//' | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + # Reset EXIT trap before exiting to avoid spurious non-zero exit code. + exitcode=$? + trap '' 0 + exit $exitcode ;; + Alpha\ *:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # Should we change UNAME_MACHINE based on the output of uname instead + # of the specific Alpha model? + echo alpha-pc-interix + exit ;; + 21064:Windows_NT:50:3) + echo alpha-dec-winnt3.5 + exit ;; + Amiga*:UNIX_System_V:4.0:*) + echo m68k-unknown-sysv4 + exit ;; + *:[Aa]miga[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-amigaos + exit ;; + *:[Mm]orph[Oo][Ss]:*:*) + echo ${UNAME_MACHINE}-unknown-morphos + exit ;; + *:OS/390:*:*) + echo i370-ibm-openedition + exit ;; + *:z/VM:*:*) + echo s390-ibm-zvmoe + exit ;; + *:OS400:*:*) + echo powerpc-ibm-os400 + exit ;; + arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*) + echo arm-acorn-riscix${UNAME_RELEASE} + exit ;; + arm*:riscos:*:*|arm*:RISCOS:*:*) + echo arm-unknown-riscos + exit ;; + SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*) + echo hppa1.1-hitachi-hiuxmpp + exit ;; + Pyramid*:OSx*:*:* | MIS*:OSx*:*:* | MIS*:SMP_DC-OSx*:*:*) + # akee@wpdis03.wpafb.af.mil (Earle F. Ake) contributed MIS and NILE. + if test "`(/bin/universe) 2>/dev/null`" = att ; then + echo pyramid-pyramid-sysv3 + else + echo pyramid-pyramid-bsd + fi + exit ;; + NILE*:*:*:dcosx) + echo pyramid-pyramid-svr4 + exit ;; + DRS?6000:unix:4.0:6*) + echo sparc-icl-nx6 + exit ;; + DRS?6000:UNIX_SV:4.2*:7* | DRS?6000:isis:4.2*:7*) + case `/usr/bin/uname -p` in + sparc) echo sparc-icl-nx7; exit ;; + esac ;; + s390x:SunOS:*:*) + echo ${UNAME_MACHINE}-ibm-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4H:SunOS:5.*:*) + echo sparc-hal-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:5.*:* | tadpole*:SunOS:5.*:*) + echo sparc-sun-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + i86pc:AuroraUX:5.*:* | i86xen:AuroraUX:5.*:*) + echo i386-pc-auroraux${UNAME_RELEASE} + exit ;; + i86pc:SunOS:5.*:* | i86xen:SunOS:5.*:*) + eval $set_cc_for_build + SUN_ARCH="i386" + # If there is a compiler, see if it is configured for 64-bit objects. + # Note that the Sun cc does not turn __LP64__ into 1 like gcc does. + # This test works for both compilers. + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __amd64'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + SUN_ARCH="x86_64" + fi + fi + echo ${SUN_ARCH}-pc-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:6*:*) + # According to config.sub, this is the proper way to canonicalize + # SunOS6. Hard to guess exactly what SunOS6 will be like, but + # it's likely to be more like Solaris than SunOS4. + echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + sun4*:SunOS:*:*) + case "`/usr/bin/arch -k`" in + Series*|S4*) + UNAME_RELEASE=`uname -v` + ;; + esac + # Japanese Language versions have a version number like `4.1.3-JL'. + echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` + exit ;; + sun3*:SunOS:*:*) + echo m68k-sun-sunos${UNAME_RELEASE} + exit ;; + sun*:*:4.2BSD:*) + UNAME_RELEASE=`(sed 1q /etc/motd | awk '{print substr($5,1,3)}') 2>/dev/null` + test "x${UNAME_RELEASE}" = "x" && UNAME_RELEASE=3 + case "`/bin/arch`" in + sun3) + echo m68k-sun-sunos${UNAME_RELEASE} + ;; + sun4) + echo sparc-sun-sunos${UNAME_RELEASE} + ;; + esac + exit ;; + aushp:SunOS:*:*) + echo sparc-auspex-sunos${UNAME_RELEASE} + exit ;; + # The situation for MiNT is a little confusing. The machine name + # can be virtually everything (everything which is not + # "atarist" or "atariste" at least should have a processor + # > m68000). The system name ranges from "MiNT" over "FreeMiNT" + # to the lowercase version "mint" (or "freemint"). Finally + # the system name "TOS" denotes a system which is actually not + # MiNT. But MiNT is downward compatible to TOS, so this should + # be no problem. + atarist[e]:*MiNT:*:* | atarist[e]:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + atari*:*MiNT:*:* | atari*:*mint:*:* | atarist[e]:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + *falcon*:*MiNT:*:* | *falcon*:*mint:*:* | *falcon*:*TOS:*:*) + echo m68k-atari-mint${UNAME_RELEASE} + exit ;; + milan*:*MiNT:*:* | milan*:*mint:*:* | *milan*:*TOS:*:*) + echo m68k-milan-mint${UNAME_RELEASE} + exit ;; + hades*:*MiNT:*:* | hades*:*mint:*:* | *hades*:*TOS:*:*) + echo m68k-hades-mint${UNAME_RELEASE} + exit ;; + *:*MiNT:*:* | *:*mint:*:* | *:*TOS:*:*) + echo m68k-unknown-mint${UNAME_RELEASE} + exit ;; + m68k:machten:*:*) + echo m68k-apple-machten${UNAME_RELEASE} + exit ;; + powerpc:machten:*:*) + echo powerpc-apple-machten${UNAME_RELEASE} + exit ;; + RISC*:Mach:*:*) + echo mips-dec-mach_bsd4.3 + exit ;; + RISC*:ULTRIX:*:*) + echo mips-dec-ultrix${UNAME_RELEASE} + exit ;; + VAX*:ULTRIX*:*:*) + echo vax-dec-ultrix${UNAME_RELEASE} + exit ;; + 2020:CLIX:*:* | 2430:CLIX:*:*) + echo clipper-intergraph-clix${UNAME_RELEASE} + exit ;; + mips:*:*:UMIPS | mips:*:*:RISCos) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c +#ifdef __cplusplus +#include /* for printf() prototype */ + int main (int argc, char *argv[]) { +#else + int main (argc, argv) int argc; char *argv[]; { +#endif + #if defined (host_mips) && defined (MIPSEB) + #if defined (SYSTYPE_SYSV) + printf ("mips-mips-riscos%ssysv\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_SVR4) + printf ("mips-mips-riscos%ssvr4\n", argv[1]); exit (0); + #endif + #if defined (SYSTYPE_BSD43) || defined(SYSTYPE_BSD) + printf ("mips-mips-riscos%sbsd\n", argv[1]); exit (0); + #endif + #endif + exit (-1); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && + dummyarg=`echo "${UNAME_RELEASE}" | sed -n 's/\([0-9]*\).*/\1/p'` && + SYSTEM_NAME=`$dummy $dummyarg` && + { echo "$SYSTEM_NAME"; exit; } + echo mips-mips-riscos${UNAME_RELEASE} + exit ;; + Motorola:PowerMAX_OS:*:*) + echo powerpc-motorola-powermax + exit ;; + Motorola:*:4.3:PL8-*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:*:*:PowerMAX_OS | Synergy:PowerMAX_OS:*:*) + echo powerpc-harris-powermax + exit ;; + Night_Hawk:Power_UNIX:*:*) + echo powerpc-harris-powerunix + exit ;; + m88k:CX/UX:7*:*) + echo m88k-harris-cxux7 + exit ;; + m88k:*:4*:R4*) + echo m88k-motorola-sysv4 + exit ;; + m88k:*:3*:R3*) + echo m88k-motorola-sysv3 + exit ;; + AViiON:dgux:*:*) + # DG/UX returns AViiON for all architectures + UNAME_PROCESSOR=`/usr/bin/uname -p` + if [ $UNAME_PROCESSOR = mc88100 ] || [ $UNAME_PROCESSOR = mc88110 ] + then + if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx ] || \ + [ ${TARGET_BINARY_INTERFACE}x = x ] + then + echo m88k-dg-dgux${UNAME_RELEASE} + else + echo m88k-dg-dguxbcs${UNAME_RELEASE} + fi + else + echo i586-dg-dgux${UNAME_RELEASE} + fi + exit ;; + M88*:DolphinOS:*:*) # DolphinOS (SVR3) + echo m88k-dolphin-sysv3 + exit ;; + M88*:*:R3*:*) + # Delta 88k system running SVR3 + echo m88k-motorola-sysv3 + exit ;; + XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) + echo m88k-tektronix-sysv3 + exit ;; + Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) + echo m68k-tektronix-bsd + exit ;; + *:IRIX*:*:*) + echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` + exit ;; + ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. + echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id + exit ;; # Note that: echo "'`uname -s`'" gives 'AIX ' + i*86:AIX:*:*) + echo i386-ibm-aix + exit ;; + ia64:AIX:*:*) + if [ -x /usr/bin/oslevel ] ; then + IBM_REV=`/usr/bin/oslevel` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${UNAME_MACHINE}-ibm-aix${IBM_REV} + exit ;; + *:AIX:2:3) + if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + + main() + { + if (!__power_pc()) + exit(1); + puts("powerpc-ibm-aix3.2.5"); + exit(0); + } +EOF + if $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` + then + echo "$SYSTEM_NAME" + else + echo rs6000-ibm-aix3.2.5 + fi + elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then + echo rs6000-ibm-aix3.2.4 + else + echo rs6000-ibm-aix3.2 + fi + exit ;; + *:AIX:*:[4567]) + IBM_CPU_ID=`/usr/sbin/lsdev -C -c processor -S available | sed 1q | awk '{ print $1 }'` + if /usr/sbin/lsattr -El ${IBM_CPU_ID} | grep ' POWER' >/dev/null 2>&1; then + IBM_ARCH=rs6000 + else + IBM_ARCH=powerpc + fi + if [ -x /usr/bin/lslpp ] ; then + IBM_REV=`/usr/bin/lslpp -Lqc bos.rte.libc | + awk -F: '{ print $3 }' | sed s/[0-9]*$/0/` + else + IBM_REV=${UNAME_VERSION}.${UNAME_RELEASE} + fi + echo ${IBM_ARCH}-ibm-aix${IBM_REV} + exit ;; + *:AIX:*:*) + echo rs6000-ibm-aix + exit ;; + ibmrt:4.4BSD:*|romp-ibm:BSD:*) + echo romp-ibm-bsd4.4 + exit ;; + ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC BSD and + echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to + exit ;; # report: romp-ibm BSD 4.3 + *:BOSX:*:*) + echo rs6000-bull-bosx + exit ;; + DPX/2?00:B.O.S.:*:*) + echo m68k-bull-sysv3 + exit ;; + 9000/[34]??:4.3bsd:1.*:*) + echo m68k-hp-bsd + exit ;; + hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) + echo m68k-hp-bsd4.4 + exit ;; + 9000/[34678]??:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + case "${UNAME_MACHINE}" in + 9000/31? ) HP_ARCH=m68000 ;; + 9000/[34]?? ) HP_ARCH=m68k ;; + 9000/[678][0-9][0-9]) + if [ -x /usr/bin/getconf ]; then + sc_cpu_version=`/usr/bin/getconf SC_CPU_VERSION 2>/dev/null` + sc_kernel_bits=`/usr/bin/getconf SC_KERNEL_BITS 2>/dev/null` + case "${sc_cpu_version}" in + 523) HP_ARCH="hppa1.0" ;; # CPU_PA_RISC1_0 + 528) HP_ARCH="hppa1.1" ;; # CPU_PA_RISC1_1 + 532) # CPU_PA_RISC2_0 + case "${sc_kernel_bits}" in + 32) HP_ARCH="hppa2.0n" ;; + 64) HP_ARCH="hppa2.0w" ;; + '') HP_ARCH="hppa2.0" ;; # HP-UX 10.20 + esac ;; + esac + fi + if [ "${HP_ARCH}" = "" ]; then + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + + #define _HPUX_SOURCE + #include + #include + + int main () + { + #if defined(_SC_KERNEL_BITS) + long bits = sysconf(_SC_KERNEL_BITS); + #endif + long cpu = sysconf (_SC_CPU_VERSION); + + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1"); break; + case CPU_PA_RISC2_0: + #if defined(_SC_KERNEL_BITS) + switch (bits) + { + case 64: puts ("hppa2.0w"); break; + case 32: puts ("hppa2.0n"); break; + default: puts ("hppa2.0"); break; + } break; + #else /* !defined(_SC_KERNEL_BITS) */ + puts ("hppa2.0"); break; + #endif + default: puts ("hppa1.0"); break; + } + exit (0); + } +EOF + (CCOPTS= $CC_FOR_BUILD -o $dummy $dummy.c 2>/dev/null) && HP_ARCH=`$dummy` + test -z "$HP_ARCH" && HP_ARCH=hppa + fi ;; + esac + if [ ${HP_ARCH} = "hppa2.0w" ] + then + eval $set_cc_for_build + + # hppa2.0w-hp-hpux* has a 64-bit kernel and a compiler generating + # 32-bit code. hppa64-hp-hpux* has the same kernel and a compiler + # generating 64-bit code. GNU and HP use different nomenclature: + # + # $ CC_FOR_BUILD=cc ./config.guess + # => hppa2.0w-hp-hpux11.23 + # $ CC_FOR_BUILD="cc +DA2.0w" ./config.guess + # => hppa64-hp-hpux11.23 + + if echo __LP64__ | (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | + grep -q __LP64__ + then + HP_ARCH="hppa2.0w" + else + HP_ARCH="hppa64" + fi + fi + echo ${HP_ARCH}-hp-hpux${HPUX_REV} + exit ;; + ia64:HP-UX:*:*) + HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` + echo ia64-hp-hpux${HPUX_REV} + exit ;; + 3050*:HI-UX:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #include + int + main () + { + long cpu = sysconf (_SC_CPU_VERSION); + /* The order matters, because CPU_IS_HP_MC68K erroneously returns + true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct + results, however. */ + if (CPU_IS_PA_RISC (cpu)) + { + switch (cpu) + { + case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; + case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; + case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; + default: puts ("hppa-hitachi-hiuxwe2"); break; + } + } + else if (CPU_IS_HP_MC68K (cpu)) + puts ("m68k-hitachi-hiuxwe2"); + else puts ("unknown-hitachi-hiuxwe2"); + exit (0); + } +EOF + $CC_FOR_BUILD -o $dummy $dummy.c && SYSTEM_NAME=`$dummy` && + { echo "$SYSTEM_NAME"; exit; } + echo unknown-hitachi-hiuxwe2 + exit ;; + 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) + echo hppa1.1-hp-bsd + exit ;; + 9000/8??:4.3bsd:*:*) + echo hppa1.0-hp-bsd + exit ;; + *9??*:MPE/iX:*:* | *3000*:MPE/iX:*:*) + echo hppa1.0-hp-mpeix + exit ;; + hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) + echo hppa1.1-hp-osf + exit ;; + hp8??:OSF1:*:*) + echo hppa1.0-hp-osf + exit ;; + i*86:OSF1:*:*) + if [ -x /usr/sbin/sysversion ] ; then + echo ${UNAME_MACHINE}-unknown-osf1mk + else + echo ${UNAME_MACHINE}-unknown-osf1 + fi + exit ;; + parisc*:Lites*:*:*) + echo hppa1.1-hp-lites + exit ;; + C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) + echo c1-convex-bsd + exit ;; + C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) + if getsysinfo -f scalar_acc + then echo c32-convex-bsd + else echo c2-convex-bsd + fi + exit ;; + C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) + echo c34-convex-bsd + exit ;; + C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) + echo c38-convex-bsd + exit ;; + C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) + echo c4-convex-bsd + exit ;; + CRAY*Y-MP:*:*:*) + echo ymp-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*[A-Z]90:*:*:*) + echo ${UNAME_MACHINE}-cray-unicos${UNAME_RELEASE} \ + | sed -e 's/CRAY.*\([A-Z]90\)/\1/' \ + -e y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/ \ + -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*TS:*:*:*) + echo t90-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*T3E:*:*:*) + echo alphaev5-cray-unicosmk${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + CRAY*SV1:*:*:*) + echo sv1-cray-unicos${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + *:UNICOS/mp:*:*) + echo craynv-cray-unicosmp${UNAME_RELEASE} | sed -e 's/\.[^.]*$/.X/' + exit ;; + F30[01]:UNIX_System_V:*:* | F700:UNIX_System_V:*:*) + FUJITSU_PROC=`uname -m | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz'` + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | sed -e 's/ /_/'` + echo "${FUJITSU_PROC}-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + 5000:UNIX_System_V:4.*:*) + FUJITSU_SYS=`uname -p | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/\///'` + FUJITSU_REL=`echo ${UNAME_RELEASE} | tr 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvwxyz' | sed -e 's/ /_/'` + echo "sparc-fujitsu-${FUJITSU_SYS}${FUJITSU_REL}" + exit ;; + i*86:BSD/386:*:* | i*86:BSD/OS:*:* | *:Ascend\ Embedded/OS:*:*) + echo ${UNAME_MACHINE}-pc-bsdi${UNAME_RELEASE} + exit ;; + sparc*:BSD/OS:*:*) + echo sparc-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:BSD/OS:*:*) + echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} + exit ;; + *:FreeBSD:*:*) + UNAME_PROCESSOR=`/usr/bin/uname -p` + case ${UNAME_PROCESSOR} in + amd64) + echo x86_64-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + *) + echo ${UNAME_PROCESSOR}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` ;; + esac + exit ;; + i*:CYGWIN*:*) + echo ${UNAME_MACHINE}-pc-cygwin + exit ;; + *:MINGW64*:*) + echo ${UNAME_MACHINE}-pc-mingw64 + exit ;; + *:MINGW*:*) + echo ${UNAME_MACHINE}-pc-mingw32 + exit ;; + *:MSYS*:*) + echo ${UNAME_MACHINE}-pc-msys + exit ;; + i*:windows32*:*) + # uname -m includes "-pc" on this system. + echo ${UNAME_MACHINE}-mingw32 + exit ;; + i*:PW*:*) + echo ${UNAME_MACHINE}-pc-pw32 + exit ;; + *:Interix*:*) + case ${UNAME_MACHINE} in + x86) + echo i586-pc-interix${UNAME_RELEASE} + exit ;; + authenticamd | genuineintel | EM64T) + echo x86_64-unknown-interix${UNAME_RELEASE} + exit ;; + IA64) + echo ia64-unknown-interix${UNAME_RELEASE} + exit ;; + esac ;; + [345]86:Windows_95:* | [345]86:Windows_98:* | [345]86:Windows_NT:*) + echo i${UNAME_MACHINE}-pc-mks + exit ;; + 8664:Windows_NT:*) + echo x86_64-pc-mks + exit ;; + i*:Windows_NT*:* | Pentium*:Windows_NT*:*) + # How do we know it's Interix rather than the generic POSIX subsystem? + # It also conflicts with pre-2.0 versions of AT&T UWIN. Should we + # UNAME_MACHINE based on the output of uname instead of i386? + echo i586-pc-interix + exit ;; + i*:UWIN*:*) + echo ${UNAME_MACHINE}-pc-uwin + exit ;; + amd64:CYGWIN*:*:* | x86_64:CYGWIN*:*:*) + echo x86_64-unknown-cygwin + exit ;; + p*:CYGWIN*:*) + echo powerpcle-unknown-cygwin + exit ;; + prep*:SunOS:5.*:*) + echo powerpcle-unknown-solaris2`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` + exit ;; + *:GNU:*:*) + # the GNU system + echo `echo ${UNAME_MACHINE}|sed -e 's,[-/].*$,,'`-unknown-${LIBC}`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` + exit ;; + *:GNU/*:*:*) + # other systems with GNU libc and userland + echo ${UNAME_MACHINE}-unknown-`echo ${UNAME_SYSTEM} | sed 's,^[^/]*/,,' | tr '[A-Z]' '[a-z]'``echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'`-${LIBC} + exit ;; + i*86:Minix:*:*) + echo ${UNAME_MACHINE}-pc-minix + exit ;; + aarch64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + aarch64_be:Linux:*:*) + UNAME_MACHINE=aarch64_be + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + alpha:Linux:*:*) + case `sed -n '/^cpu model/s/^.*: \(.*\)/\1/p' < /proc/cpuinfo` in + EV5) UNAME_MACHINE=alphaev5 ;; + EV56) UNAME_MACHINE=alphaev56 ;; + PCA56) UNAME_MACHINE=alphapca56 ;; + PCA57) UNAME_MACHINE=alphapca56 ;; + EV6) UNAME_MACHINE=alphaev6 ;; + EV67) UNAME_MACHINE=alphaev67 ;; + EV68*) UNAME_MACHINE=alphaev68 ;; + esac + objdump --private-headers /bin/sh | grep -q ld.so.1 + if test "$?" = 0 ; then LIBC="gnulibc1" ; fi + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arc:Linux:*:* | arceb:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + arm*:Linux:*:*) + eval $set_cc_for_build + if echo __ARM_EABI__ | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_EABI__ + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + else + if echo __ARM_PCS_VFP | $CC_FOR_BUILD -E - 2>/dev/null \ + | grep -q __ARM_PCS_VFP + then + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabi + else + echo ${UNAME_MACHINE}-unknown-linux-${LIBC}eabihf + fi + fi + exit ;; + avr32*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + cris:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + crisv32:Linux:*:*) + echo ${UNAME_MACHINE}-axis-linux-${LIBC} + exit ;; + e2k:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + frv:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + hexagon:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + ia64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m32r*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + m68*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + mips:Linux:*:* | mips64:Linux:*:*) + eval $set_cc_for_build + sed 's/^ //' << EOF >$dummy.c + #undef CPU + #undef ${UNAME_MACHINE} + #undef ${UNAME_MACHINE}el + #if defined(__MIPSEL__) || defined(__MIPSEL) || defined(_MIPSEL) || defined(MIPSEL) + CPU=${UNAME_MACHINE}el + #else + #if defined(__MIPSEB__) || defined(__MIPSEB) || defined(_MIPSEB) || defined(MIPSEB) + CPU=${UNAME_MACHINE} + #else + CPU= + #endif + #endif +EOF + eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'` + test x"${CPU}" != x && { echo "${CPU}-unknown-linux-${LIBC}"; exit; } + ;; + openrisc*:Linux:*:*) + echo or1k-unknown-linux-${LIBC} + exit ;; + or32:Linux:*:* | or1k*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + padre:Linux:*:*) + echo sparc-unknown-linux-${LIBC} + exit ;; + parisc64:Linux:*:* | hppa64:Linux:*:*) + echo hppa64-unknown-linux-${LIBC} + exit ;; + parisc:Linux:*:* | hppa:Linux:*:*) + # Look for CPU level + case `grep '^cpu[^a-z]*:' /proc/cpuinfo 2>/dev/null | cut -d' ' -f2` in + PA7*) echo hppa1.1-unknown-linux-${LIBC} ;; + PA8*) echo hppa2.0-unknown-linux-${LIBC} ;; + *) echo hppa-unknown-linux-${LIBC} ;; + esac + exit ;; + ppc64:Linux:*:*) + echo powerpc64-unknown-linux-${LIBC} + exit ;; + ppc:Linux:*:*) + echo powerpc-unknown-linux-${LIBC} + exit ;; + ppc64le:Linux:*:*) + echo powerpc64le-unknown-linux-${LIBC} + exit ;; + ppcle:Linux:*:*) + echo powerpcle-unknown-linux-${LIBC} + exit ;; + s390:Linux:*:* | s390x:Linux:*:*) + echo ${UNAME_MACHINE}-ibm-linux-${LIBC} + exit ;; + sh64*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sh*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + sparc:Linux:*:* | sparc64:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + tile*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + vax:Linux:*:*) + echo ${UNAME_MACHINE}-dec-linux-${LIBC} + exit ;; + x86_64:Linux:*:*) + echo ${UNAME_MACHINE}-pc-linux-${LIBC} + exit ;; + xtensa*:Linux:*:*) + echo ${UNAME_MACHINE}-unknown-linux-${LIBC} + exit ;; + i*86:DYNIX/ptx:4*:*) + # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. + # earlier versions are messed up and put the nodename in both + # sysname and nodename. + echo i386-sequent-sysv4 + exit ;; + i*86:UNIX_SV:4.2MP:2.*) + # Unixware is an offshoot of SVR4, but it has its own version + # number series starting with 2... + # I am not positive that other SVR4 systems won't match this, + # I just have to hope. -- rms. + # Use sysv4.2uw... so that sysv4* matches it. + echo ${UNAME_MACHINE}-pc-sysv4.2uw${UNAME_VERSION} + exit ;; + i*86:OS/2:*:*) + # If we were able to find `uname', then EMX Unix compatibility + # is probably installed. + echo ${UNAME_MACHINE}-pc-os2-emx + exit ;; + i*86:XTS-300:*:STOP) + echo ${UNAME_MACHINE}-unknown-stop + exit ;; + i*86:atheos:*:*) + echo ${UNAME_MACHINE}-unknown-atheos + exit ;; + i*86:syllable:*:*) + echo ${UNAME_MACHINE}-pc-syllable + exit ;; + i*86:LynxOS:2.*:* | i*86:LynxOS:3.[01]*:* | i*86:LynxOS:4.[02]*:*) + echo i386-unknown-lynxos${UNAME_RELEASE} + exit ;; + i*86:*DOS:*:*) + echo ${UNAME_MACHINE}-pc-msdosdjgpp + exit ;; + i*86:*:4.*:* | i*86:SYSTEM_V:4.*:*) + UNAME_REL=`echo ${UNAME_RELEASE} | sed 's/\/MP$//'` + if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then + echo ${UNAME_MACHINE}-univel-sysv${UNAME_REL} + else + echo ${UNAME_MACHINE}-pc-sysv${UNAME_REL} + fi + exit ;; + i*86:*:5:[678]*) + # UnixWare 7.x, OpenUNIX and OpenServer 6. + case `/bin/uname -X | grep "^Machine"` in + *486*) UNAME_MACHINE=i486 ;; + *Pentium) UNAME_MACHINE=i586 ;; + *Pent*|*Celeron) UNAME_MACHINE=i686 ;; + esac + echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE}${UNAME_SYSTEM}${UNAME_VERSION} + exit ;; + i*86:*:3.2:*) + if test -f /usr/options/cb.name; then + UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then + UNAME_REL=`(/bin/uname -X|grep Release|sed -e 's/.*= //')` + (/bin/uname -X|grep i80486 >/dev/null) && UNAME_MACHINE=i486 + (/bin/uname -X|grep '^Machine.*Pentium' >/dev/null) \ + && UNAME_MACHINE=i586 + (/bin/uname -X|grep '^Machine.*Pent *II' >/dev/null) \ + && UNAME_MACHINE=i686 + (/bin/uname -X|grep '^Machine.*Pentium Pro' >/dev/null) \ + && UNAME_MACHINE=i686 + echo ${UNAME_MACHINE}-pc-sco$UNAME_REL + else + echo ${UNAME_MACHINE}-pc-sysv32 + fi + exit ;; + pc:*:*:*) + # Left here for compatibility: + # uname -m prints for DJGPP always 'pc', but it prints nothing about + # the processor, so we play safe by assuming i586. + # Note: whatever this is, it MUST be the same as what config.sub + # prints for the "djgpp" host, or else GDB configury will decide that + # this is a cross-build. + echo i586-pc-msdosdjgpp + exit ;; + Intel:Mach:3*:*) + echo i386-pc-mach3 + exit ;; + paragon:*:*:*) + echo i860-intel-osf1 + exit ;; + i860:*:4.*:*) # i860-SVR4 + if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then + echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 + else # Add other i860-SVR4 vendors below as they are discovered. + echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 + fi + exit ;; + mini*:CTIX:SYS*5:*) + # "miniframe" + echo m68010-convergent-sysv + exit ;; + mc68k:UNIX:SYSTEM5:3.51m) + echo m68k-convergent-sysv + exit ;; + M680?0:D-NIX:5.3:*) + echo m68k-diab-dnix + exit ;; + M68*:*:R3V[5678]*:*) + test -r /sysV68 && { echo 'm68k-motorola-sysv'; exit; } ;; + 3[345]??:*:4.0:3.0 | 3[34]??A:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0 | 3[34]??/*:*:4.0:3.0 | 4400:*:4.0:3.0 | 4850:*:4.0:3.0 | SKA40:*:4.0:3.0 | SDS2:*:4.0:3.0 | SHG2:*:4.0:3.0 | S7501*:*:4.0:3.0) + OS_REL='' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4; exit; } ;; + NCR*:*:4.2:* | MPRAS*:*:4.2:*) + OS_REL='.3' + test -r /etc/.relid \ + && OS_REL=.`sed -n 's/[^ ]* [^ ]* \([0-9][0-9]\).*/\1/p' < /etc/.relid` + /bin/uname -p 2>/dev/null | grep 86 >/dev/null \ + && { echo i486-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep entium >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } + /bin/uname -p 2>/dev/null | /bin/grep pteron >/dev/null \ + && { echo i586-ncr-sysv4.3${OS_REL}; exit; } ;; + m68*:LynxOS:2.*:* | m68*:LynxOS:3.0*:*) + echo m68k-unknown-lynxos${UNAME_RELEASE} + exit ;; + mc68030:UNIX_System_V:4.*:*) + echo m68k-atari-sysv4 + exit ;; + TSUNAMI:LynxOS:2.*:*) + echo sparc-unknown-lynxos${UNAME_RELEASE} + exit ;; + rs6000:LynxOS:2.*:*) + echo rs6000-unknown-lynxos${UNAME_RELEASE} + exit ;; + PowerPC:LynxOS:2.*:* | PowerPC:LynxOS:3.[01]*:* | PowerPC:LynxOS:4.[02]*:*) + echo powerpc-unknown-lynxos${UNAME_RELEASE} + exit ;; + SM[BE]S:UNIX_SV:*:*) + echo mips-dde-sysv${UNAME_RELEASE} + exit ;; + RM*:ReliantUNIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + RM*:SINIX-*:*:*) + echo mips-sni-sysv4 + exit ;; + *:SINIX-*:*:*) + if uname -p 2>/dev/null >/dev/null ; then + UNAME_MACHINE=`(uname -p) 2>/dev/null` + echo ${UNAME_MACHINE}-sni-sysv4 + else + echo ns32k-sni-sysv + fi + exit ;; + PENTIUM:*:4.0*:*) # Unisys `ClearPath HMP IX 4000' SVR4/MP effort + # says + echo i586-unisys-sysv4 + exit ;; + *:UNIX_System_V:4*:FTX*) + # From Gerald Hewes . + # How about differentiating between stratus architectures? -djm + echo hppa1.1-stratus-sysv4 + exit ;; + *:*:*:FTX*) + # From seanf@swdc.stratus.com. + echo i860-stratus-sysv4 + exit ;; + i*86:VOS:*:*) + # From Paul.Green@stratus.com. + echo ${UNAME_MACHINE}-stratus-vos + exit ;; + *:VOS:*:*) + # From Paul.Green@stratus.com. + echo hppa1.1-stratus-vos + exit ;; + mc68*:A/UX:*:*) + echo m68k-apple-aux${UNAME_RELEASE} + exit ;; + news*:NEWS-OS:6*:*) + echo mips-sony-newsos6 + exit ;; + R[34]000:*System_V*:*:* | R4000:UNIX_SYSV:*:* | R*000:UNIX_SV:*:*) + if [ -d /usr/nec ]; then + echo mips-nec-sysv${UNAME_RELEASE} + else + echo mips-unknown-sysv${UNAME_RELEASE} + fi + exit ;; + BeBox:BeOS:*:*) # BeOS running on hardware made by Be, PPC only. + echo powerpc-be-beos + exit ;; + BeMac:BeOS:*:*) # BeOS running on Mac or Mac clone, PPC only. + echo powerpc-apple-beos + exit ;; + BePC:BeOS:*:*) # BeOS running on Intel PC compatible. + echo i586-pc-beos + exit ;; + BePC:Haiku:*:*) # Haiku running on Intel PC compatible. + echo i586-pc-haiku + exit ;; + x86_64:Haiku:*:*) + echo x86_64-unknown-haiku + exit ;; + SX-4:SUPER-UX:*:*) + echo sx4-nec-superux${UNAME_RELEASE} + exit ;; + SX-5:SUPER-UX:*:*) + echo sx5-nec-superux${UNAME_RELEASE} + exit ;; + SX-6:SUPER-UX:*:*) + echo sx6-nec-superux${UNAME_RELEASE} + exit ;; + SX-7:SUPER-UX:*:*) + echo sx7-nec-superux${UNAME_RELEASE} + exit ;; + SX-8:SUPER-UX:*:*) + echo sx8-nec-superux${UNAME_RELEASE} + exit ;; + SX-8R:SUPER-UX:*:*) + echo sx8r-nec-superux${UNAME_RELEASE} + exit ;; + Power*:Rhapsody:*:*) + echo powerpc-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Rhapsody:*:*) + echo ${UNAME_MACHINE}-apple-rhapsody${UNAME_RELEASE} + exit ;; + *:Darwin:*:*) + UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown + eval $set_cc_for_build + if test "$UNAME_PROCESSOR" = unknown ; then + UNAME_PROCESSOR=powerpc + fi + if test `echo "$UNAME_RELEASE" | sed -e 's/\..*//'` -le 10 ; then + if [ "$CC_FOR_BUILD" != 'no_compiler_found' ]; then + if (echo '#ifdef __LP64__'; echo IS_64BIT_ARCH; echo '#endif') | \ + (CCOPTS= $CC_FOR_BUILD -E - 2>/dev/null) | \ + grep IS_64BIT_ARCH >/dev/null + then + case $UNAME_PROCESSOR in + i386) UNAME_PROCESSOR=x86_64 ;; + powerpc) UNAME_PROCESSOR=powerpc64 ;; + esac + fi + fi + elif test "$UNAME_PROCESSOR" = i386 ; then + # Avoid executing cc on OS X 10.9, as it ships with a stub + # that puts up a graphical alert prompting to install + # developer tools. Any system running Mac OS X 10.7 or + # later (Darwin 11 and later) is required to have a 64-bit + # processor. This is not true of the ARM version of Darwin + # that Apple uses in portable devices. + UNAME_PROCESSOR=x86_64 + fi + echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE} + exit ;; + *:procnto*:*:* | *:QNX:[0123456789]*:*) + UNAME_PROCESSOR=`uname -p` + if test "$UNAME_PROCESSOR" = "x86"; then + UNAME_PROCESSOR=i386 + UNAME_MACHINE=pc + fi + echo ${UNAME_PROCESSOR}-${UNAME_MACHINE}-nto-qnx${UNAME_RELEASE} + exit ;; + *:QNX:*:4*) + echo i386-pc-qnx + exit ;; + NEO-?:NONSTOP_KERNEL:*:*) + echo neo-tandem-nsk${UNAME_RELEASE} + exit ;; + NSE-*:NONSTOP_KERNEL:*:*) + echo nse-tandem-nsk${UNAME_RELEASE} + exit ;; + NSR-?:NONSTOP_KERNEL:*:*) + echo nsr-tandem-nsk${UNAME_RELEASE} + exit ;; + *:NonStop-UX:*:*) + echo mips-compaq-nonstopux + exit ;; + BS2000:POSIX*:*:*) + echo bs2000-siemens-sysv + exit ;; + DS/*:UNIX_System_V:*:*) + echo ${UNAME_MACHINE}-${UNAME_SYSTEM}-${UNAME_RELEASE} + exit ;; + *:Plan9:*:*) + # "uname -m" is not consistent, so use $cputype instead. 386 + # is converted to i386 for consistency with other x86 + # operating systems. + if test "$cputype" = "386"; then + UNAME_MACHINE=i386 + else + UNAME_MACHINE="$cputype" + fi + echo ${UNAME_MACHINE}-unknown-plan9 + exit ;; + *:TOPS-10:*:*) + echo pdp10-unknown-tops10 + exit ;; + *:TENEX:*:*) + echo pdp10-unknown-tenex + exit ;; + KS10:TOPS-20:*:* | KL10:TOPS-20:*:* | TYPE4:TOPS-20:*:*) + echo pdp10-dec-tops20 + exit ;; + XKL-1:TOPS-20:*:* | TYPE5:TOPS-20:*:*) + echo pdp10-xkl-tops20 + exit ;; + *:TOPS-20:*:*) + echo pdp10-unknown-tops20 + exit ;; + *:ITS:*:*) + echo pdp10-unknown-its + exit ;; + SEI:*:*:SEIUX) + echo mips-sei-seiux${UNAME_RELEASE} + exit ;; + *:DragonFly:*:*) + echo ${UNAME_MACHINE}-unknown-dragonfly`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` + exit ;; + *:*VMS:*:*) + UNAME_MACHINE=`(uname -p) 2>/dev/null` + case "${UNAME_MACHINE}" in + A*) echo alpha-dec-vms ; exit ;; + I*) echo ia64-dec-vms ; exit ;; + V*) echo vax-dec-vms ; exit ;; + esac ;; + *:XENIX:*:SysV) + echo i386-pc-xenix + exit ;; + i*86:skyos:*:*) + echo ${UNAME_MACHINE}-pc-skyos`echo ${UNAME_RELEASE}` | sed -e 's/ .*$//' + exit ;; + i*86:rdos:*:*) + echo ${UNAME_MACHINE}-pc-rdos + exit ;; + i*86:AROS:*:*) + echo ${UNAME_MACHINE}-pc-aros + exit ;; + x86_64:VMkernel:*:*) + echo ${UNAME_MACHINE}-unknown-esx + exit ;; +esac + +cat >&2 < in order to provide the needed +information to handle your system. + +config.guess timestamp = $timestamp + +uname -m = `(uname -m) 2>/dev/null || echo unknown` +uname -r = `(uname -r) 2>/dev/null || echo unknown` +uname -s = `(uname -s) 2>/dev/null || echo unknown` +uname -v = `(uname -v) 2>/dev/null || echo unknown` + +/usr/bin/uname -p = `(/usr/bin/uname -p) 2>/dev/null` +/bin/uname -X = `(/bin/uname -X) 2>/dev/null` + +hostinfo = `(hostinfo) 2>/dev/null` +/bin/universe = `(/bin/universe) 2>/dev/null` +/usr/bin/arch -k = `(/usr/bin/arch -k) 2>/dev/null` +/bin/arch = `(/bin/arch) 2>/dev/null` +/usr/bin/oslevel = `(/usr/bin/oslevel) 2>/dev/null` +/usr/convex/getsysinfo = `(/usr/convex/getsysinfo) 2>/dev/null` + +UNAME_MACHINE = ${UNAME_MACHINE} +UNAME_RELEASE = ${UNAME_RELEASE} +UNAME_SYSTEM = ${UNAME_SYSTEM} +UNAME_VERSION = ${UNAME_VERSION} +EOF + +exit 1 + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/config.h.in b/config.h.in new file mode 100755 index 0000000..9638dfa --- /dev/null +++ b/config.h.in @@ -0,0 +1,158 @@ +/* config.h.in. Generated from configure.ac by autoheader. */ + +/* Set to nonzero if you want to include DTRACE */ +#undef ENABLE_DTRACE + +/* Set to nonzero if you want to include SASL */ +#undef ENABLE_SASL + +/* Set to nonzero if you want to enable a SASL pwdb */ +#undef ENABLE_SASL_PWDB + +/* machine is bigendian */ +#undef ENDIAN_BIG + +/* machine is littleendian */ +#undef ENDIAN_LITTLE + +/* Set to nonzero if you want to enable extstorextstore */ +#undef EXTSTORE + +/* Define to 1 if support accept4 */ +#undef HAVE_ACCEPT4 + +/* Define to 1 if you have the `clock_gettime' function. */ +#undef HAVE_CLOCK_GETTIME + +/* Define this if you have an implementation of drop_privileges() */ +#undef HAVE_DROP_PRIVILEGES + +/* Define this if you have an implementation of drop_worker_privileges() */ +#undef HAVE_DROP_WORKER_PRIVILEGES + +/* GCC 64bit Atomics available */ +#undef HAVE_GCC_64ATOMICS + +/* GCC Atomics available */ +#undef HAVE_GCC_ATOMICS + +/* Define to 1 if support getopt_long */ +#undef HAVE_GETOPT_LONG + +/* Define to 1 if you have the `getpagesizes' function. */ +#undef HAVE_GETPAGESIZES + +/* Have ntohll */ +#undef HAVE_HTONLL + +/* Define to 1 if you have the header file. */ +#undef HAVE_INTTYPES_H + +/* Define to 1 if you have the `memcntl' function. */ +#undef HAVE_MEMCNTL + +/* Define to 1 if you have the header file. */ +#undef HAVE_MEMORY_H + +/* Define to 1 if you have the `mlockall' function. */ +#undef HAVE_MLOCKALL + +/* Define to 1 if you have the `pledge' function. */ +#undef HAVE_PLEDGE + +/* we have sasl_callback_ft */ +#undef HAVE_SASL_CALLBACK_FT + +/* Set to nonzero if your SASL implementation supports SASL_CB_GETCONF */ +#undef HAVE_SASL_CB_GETCONF + +/* Define to 1 if you have the header file. */ +#undef HAVE_SASL_SASL_H + +/* Define to 1 if you have the `setppriv' function. */ +#undef HAVE_SETPPRIV + +/* Define to 1 if you have the `sigignore' function. */ +#undef HAVE_SIGIGNORE + +/* Define to 1 if stdbool.h conforms to C99. */ +#undef HAVE_STDBOOL_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDINT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STDLIB_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRINGS_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_STRING_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_STAT_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_SYS_TYPES_H + +/* Define this if you have umem.h */ +#undef HAVE_UMEM_H + +/* Define to 1 if you have the header file. */ +#undef HAVE_UNISTD_H + +/* Define to 1 if the system has the type `_Bool'. */ +#undef HAVE__BOOL + +/* Machine need alignment */ +#undef NEED_ALIGN + +/* Name of package */ +#undef PACKAGE + +/* Define to the address where bug reports for this package should be sent. */ +#undef PACKAGE_BUGREPORT + +/* Define to the full name of this package. */ +#undef PACKAGE_NAME + +/* Define to the full name and version of this package. */ +#undef PACKAGE_STRING + +/* Define to the one symbol short name of this package. */ +#undef PACKAGE_TARNAME + +/* Define to the home page for this package. */ +#undef PACKAGE_URL + +/* Define to the version of this package. */ +#undef PACKAGE_VERSION + +/* Define to 1 if you have the ANSI C header files. */ +#undef STDC_HEADERS + +/* Version number of package */ +#undef VERSION + +/* find sigignore on Linux */ +#undef _GNU_SOURCE + +/* Define to empty if `const' does not conform to ANSI C. */ +#undef const + +/* define to int if socklen_t not available */ +#undef socklen_t + +#if HAVE_STDBOOL_H +#include +#else +#define bool char +#define false 0 +#define true 1 +#endif + +#ifdef HAVE_INTTYPES_H +#include +#endif + diff --git a/config.sub b/config.sub new file mode 100755 index 0000000..1acc966 --- /dev/null +++ b/config.sub @@ -0,0 +1,1813 @@ +#! /bin/sh +# Configuration validation subroutine script. +# Copyright 1992-2015 Free Software Foundation, Inc. + +timestamp='2015-08-20' + +# This file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see . +# +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that +# program. This Exception is an additional permission under section 7 +# of the GNU General Public License, version 3 ("GPLv3"). + + +# Please send patches to . +# +# Configuration subroutine to validate and canonicalize a configuration type. +# Supply the specified configuration type as an argument. +# If it is invalid, we print an error message on stderr and exit with code 1. +# Otherwise, we print the canonical config type on stdout and succeed. + +# You can get the latest version of this script from: +# http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.sub;hb=HEAD + +# This file is supposed to be the same for all GNU packages +# and recognize all the CPU types, system types and aliases +# that are meaningful with *any* GNU software. +# Each package is responsible for reporting which valid configurations +# it does not support. The user should be able to distinguish +# a failure to support a valid configuration from a meaningless +# configuration. + +# The goal of this file is to map all the various variations of a given +# machine specification into a single specification in the form: +# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM +# or in some cases, the newer four-part form: +# CPU_TYPE-MANUFACTURER-KERNEL-OPERATING_SYSTEM +# It is wrong to echo any other type of specification. + +me=`echo "$0" | sed -e 's,.*/,,'` + +usage="\ +Usage: $0 [OPTION] CPU-MFR-OPSYS + $0 [OPTION] ALIAS + +Canonicalize a configuration name. + +Operation modes: + -h, --help print this help, then exit + -t, --time-stamp print date of last modification, then exit + -v, --version print version number, then exit + +Report bugs and patches to ." + +version="\ +GNU config.sub ($timestamp) + +Copyright 1992-2015 Free Software Foundation, Inc. + +This is free software; see the source for copying conditions. There is NO +warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE." + +help=" +Try \`$me --help' for more information." + +# Parse command line +while test $# -gt 0 ; do + case $1 in + --time-stamp | --time* | -t ) + echo "$timestamp" ; exit ;; + --version | -v ) + echo "$version" ; exit ;; + --help | --h* | -h ) + echo "$usage"; exit ;; + -- ) # Stop option processing + shift; break ;; + - ) # Use stdin as input. + break ;; + -* ) + echo "$me: invalid option $1$help" + exit 1 ;; + + *local*) + # First pass through any local machine types. + echo $1 + exit ;; + + * ) + break ;; + esac +done + +case $# in + 0) echo "$me: missing argument$help" >&2 + exit 1;; + 1) ;; + *) echo "$me: too many arguments$help" >&2 + exit 1;; +esac + +# Separate what the user gave into CPU-COMPANY and OS or KERNEL-OS (if any). +# Here we must recognize all the valid KERNEL-OS combinations. +maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'` +case $maybe_os in + nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \ + linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \ + knetbsd*-gnu* | netbsd*-gnu* | netbsd*-eabi* | \ + kopensolaris*-gnu* | \ + storm-chaos* | os2-emx* | rtmk-nova*) + os=-$maybe_os + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'` + ;; + android-linux) + os=-linux-android + basic_machine=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\1/'`-unknown + ;; + *) + basic_machine=`echo $1 | sed 's/-[^-]*$//'` + if [ $basic_machine != $1 ] + then os=`echo $1 | sed 's/.*-/-/'` + else os=; fi + ;; +esac + +### Let's recognize common machines as not being operating systems so +### that things like config.sub decstation-3100 work. We also +### recognize some manufacturers as not being operating systems, so we +### can provide default operating systems below. +case $os in + -sun*os*) + # Prevent following clause from handling this invalid input. + ;; + -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ + -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ + -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ + -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ + -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ + -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \ + -apple | -axis | -knuth | -cray | -microblaze*) + os= + basic_machine=$1 + ;; + -bluegene*) + os=-cnk + ;; + -sim | -cisco | -oki | -wec | -winbond) + os= + basic_machine=$1 + ;; + -scout) + ;; + -wrs) + os=-vxworks + basic_machine=$1 + ;; + -chorusos*) + os=-chorusos + basic_machine=$1 + ;; + -chorusrdb) + os=-chorusrdb + basic_machine=$1 + ;; + -hiux*) + os=-hiuxwe2 + ;; + -sco6) + os=-sco5v6 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5) + os=-sco3.2v5 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco4) + os=-sco3.2v4 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2.[4-9]*) + os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco3.2v[4-9]*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco5v6*) + # Don't forget version if it is 3.2v4 or newer. + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -sco*) + os=-sco3.2v2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -udk*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -isc) + os=-isc2.2 + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -clix*) + basic_machine=clipper-intergraph + ;; + -isc*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'` + ;; + -lynx*178) + os=-lynxos178 + ;; + -lynx*5) + os=-lynxos5 + ;; + -lynx*) + os=-lynxos + ;; + -ptx*) + basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` + ;; + -windowsnt*) + os=`echo $os | sed -e 's/windowsnt/winnt/'` + ;; + -psos*) + os=-psos + ;; + -mint | -mint[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; +esac + +# Decode aliases for certain CPU-COMPANY combinations. +case $basic_machine in + # Recognize the basic CPU types without company name. + # Some are omitted here because they have special meanings below. + 1750a | 580 \ + | a29k \ + | aarch64 | aarch64_be \ + | alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \ + | alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \ + | am33_2.0 \ + | arc | arceb \ + | arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \ + | avr | avr32 \ + | ba \ + | be32 | be64 \ + | bfin \ + | c4x | c8051 | clipper \ + | d10v | d30v | dlx | dsp16xx \ + | e2k | epiphany \ + | fido | fr30 | frv | ft32 \ + | h8300 | h8500 | hppa | hppa1.[01] | hppa2.0 | hppa2.0[nw] | hppa64 \ + | hexagon \ + | i370 | i860 | i960 | ia64 \ + | ip2k | iq2000 \ + | k1om \ + | le32 | le64 \ + | lm32 \ + | m32c | m32r | m32rle | m68000 | m68k | m88k \ + | maxq | mb | microblaze | microblazeel | mcore | mep | metag \ + | mips | mipsbe | mipseb | mipsel | mipsle \ + | mips16 \ + | mips64 | mips64el \ + | mips64octeon | mips64octeonel \ + | mips64orion | mips64orionel \ + | mips64r5900 | mips64r5900el \ + | mips64vr | mips64vrel \ + | mips64vr4100 | mips64vr4100el \ + | mips64vr4300 | mips64vr4300el \ + | mips64vr5000 | mips64vr5000el \ + | mips64vr5900 | mips64vr5900el \ + | mipsisa32 | mipsisa32el \ + | mipsisa32r2 | mipsisa32r2el \ + | mipsisa32r6 | mipsisa32r6el \ + | mipsisa64 | mipsisa64el \ + | mipsisa64r2 | mipsisa64r2el \ + | mipsisa64r6 | mipsisa64r6el \ + | mipsisa64sb1 | mipsisa64sb1el \ + | mipsisa64sr71k | mipsisa64sr71kel \ + | mipsr5900 | mipsr5900el \ + | mipstx39 | mipstx39el \ + | mn10200 | mn10300 \ + | moxie \ + | mt \ + | msp430 \ + | nds32 | nds32le | nds32be \ + | nios | nios2 | nios2eb | nios2el \ + | ns16k | ns32k \ + | open8 | or1k | or1knd | or32 \ + | pdp10 | pdp11 | pj | pjl \ + | powerpc | powerpc64 | powerpc64le | powerpcle \ + | pyramid \ + | riscv32 | riscv64 \ + | rl78 | rx \ + | score \ + | sh | sh[1234] | sh[24]a | sh[24]aeb | sh[23]e | sh[234]eb | sheb | shbe | shle | sh[1234]le | sh3ele \ + | sh64 | sh64le \ + | sparc | sparc64 | sparc64b | sparc64v | sparc86x | sparclet | sparclite \ + | sparcv8 | sparcv9 | sparcv9b | sparcv9v \ + | spu \ + | tahoe | tic4x | tic54x | tic55x | tic6x | tic80 | tron \ + | ubicom32 \ + | v850 | v850e | v850e1 | v850e2 | v850es | v850e2v3 \ + | visium \ + | we32k \ + | x86 | xc16x | xstormy16 | xtensa \ + | z8k | z80) + basic_machine=$basic_machine-unknown + ;; + c54x) + basic_machine=tic54x-unknown + ;; + c55x) + basic_machine=tic55x-unknown + ;; + c6x) + basic_machine=tic6x-unknown + ;; + leon|leon[3-9]) + basic_machine=sparc-$basic_machine + ;; + m6811 | m68hc11 | m6812 | m68hc12 | m68hcs12x | nvptx | picochip) + basic_machine=$basic_machine-unknown + os=-none + ;; + m88110 | m680[12346]0 | m683?2 | m68360 | m5200 | v70 | w65 | z8k) + ;; + ms1) + basic_machine=mt-unknown + ;; + + strongarm | thumb | xscale) + basic_machine=arm-unknown + ;; + xgate) + basic_machine=$basic_machine-unknown + os=-none + ;; + xscaleeb) + basic_machine=armeb-unknown + ;; + + xscaleel) + basic_machine=armel-unknown + ;; + + # We use `pc' rather than `unknown' + # because (1) that's what they normally are, and + # (2) the word "unknown" tends to confuse beginning users. + i*86 | x86_64) + basic_machine=$basic_machine-pc + ;; + # Object if more than one company name word. + *-*-*) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; + # Recognize the basic CPU types with company name. + 580-* \ + | a29k-* \ + | aarch64-* | aarch64_be-* \ + | alpha-* | alphaev[4-8]-* | alphaev56-* | alphaev6[78]-* \ + | alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \ + | alphapca5[67]-* | alpha64pca5[67]-* | arc-* | arceb-* \ + | arm-* | armbe-* | armle-* | armeb-* | armv*-* \ + | avr-* | avr32-* \ + | ba-* \ + | be32-* | be64-* \ + | bfin-* | bs2000-* \ + | c[123]* | c30-* | [cjt]90-* | c4x-* \ + | c8051-* | clipper-* | craynv-* | cydra-* \ + | d10v-* | d30v-* | dlx-* \ + | e2k-* | elxsi-* \ + | f30[01]-* | f700-* | fido-* | fr30-* | frv-* | fx80-* \ + | h8300-* | h8500-* \ + | hppa-* | hppa1.[01]-* | hppa2.0-* | hppa2.0[nw]-* | hppa64-* \ + | hexagon-* \ + | i*86-* | i860-* | i960-* | ia64-* \ + | ip2k-* | iq2000-* \ + | k1om-* \ + | le32-* | le64-* \ + | lm32-* \ + | m32c-* | m32r-* | m32rle-* \ + | m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \ + | m88110-* | m88k-* | maxq-* | mcore-* | metag-* \ + | microblaze-* | microblazeel-* \ + | mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \ + | mips16-* \ + | mips64-* | mips64el-* \ + | mips64octeon-* | mips64octeonel-* \ + | mips64orion-* | mips64orionel-* \ + | mips64r5900-* | mips64r5900el-* \ + | mips64vr-* | mips64vrel-* \ + | mips64vr4100-* | mips64vr4100el-* \ + | mips64vr4300-* | mips64vr4300el-* \ + | mips64vr5000-* | mips64vr5000el-* \ + | mips64vr5900-* | mips64vr5900el-* \ + | mipsisa32-* | mipsisa32el-* \ + | mipsisa32r2-* | mipsisa32r2el-* \ + | mipsisa32r6-* | mipsisa32r6el-* \ + | mipsisa64-* | mipsisa64el-* \ + | mipsisa64r2-* | mipsisa64r2el-* \ + | mipsisa64r6-* | mipsisa64r6el-* \ + | mipsisa64sb1-* | mipsisa64sb1el-* \ + | mipsisa64sr71k-* | mipsisa64sr71kel-* \ + | mipsr5900-* | mipsr5900el-* \ + | mipstx39-* | mipstx39el-* \ + | mmix-* \ + | mt-* \ + | msp430-* \ + | nds32-* | nds32le-* | nds32be-* \ + | nios-* | nios2-* | nios2eb-* | nios2el-* \ + | none-* | np1-* | ns16k-* | ns32k-* \ + | open8-* \ + | or1k*-* \ + | orion-* \ + | pdp10-* | pdp11-* | pj-* | pjl-* | pn-* | power-* \ + | powerpc-* | powerpc64-* | powerpc64le-* | powerpcle-* \ + | pyramid-* \ + | riscv32-* | riscv64-* \ + | rl78-* | romp-* | rs6000-* | rx-* \ + | sh-* | sh[1234]-* | sh[24]a-* | sh[24]aeb-* | sh[23]e-* | sh[34]eb-* | sheb-* | shbe-* \ + | shle-* | sh[1234]le-* | sh3ele-* | sh64-* | sh64le-* \ + | sparc-* | sparc64-* | sparc64b-* | sparc64v-* | sparc86x-* | sparclet-* \ + | sparclite-* \ + | sparcv8-* | sparcv9-* | sparcv9b-* | sparcv9v-* | sv1-* | sx*-* \ + | tahoe-* \ + | tic30-* | tic4x-* | tic54x-* | tic55x-* | tic6x-* | tic80-* \ + | tile*-* \ + | tron-* \ + | ubicom32-* \ + | v850-* | v850e-* | v850e1-* | v850es-* | v850e2-* | v850e2v3-* \ + | vax-* \ + | visium-* \ + | we32k-* \ + | x86-* | x86_64-* | xc16x-* | xps100-* \ + | xstormy16-* | xtensa*-* \ + | ymp-* \ + | z8k-* | z80-*) + ;; + # Recognize the basic CPU types without company name, with glob match. + xtensa*) + basic_machine=$basic_machine-unknown + ;; + # Recognize the various machine names and aliases which stand + # for a CPU type and a company and sometimes even an OS. + 386bsd) + basic_machine=i386-unknown + os=-bsd + ;; + 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) + basic_machine=m68000-att + ;; + 3b*) + basic_machine=we32k-att + ;; + a29khif) + basic_machine=a29k-amd + os=-udi + ;; + abacus) + basic_machine=abacus-unknown + ;; + adobe68k) + basic_machine=m68010-adobe + os=-scout + ;; + alliant | fx80) + basic_machine=fx80-alliant + ;; + altos | altos3068) + basic_machine=m68k-altos + ;; + am29k) + basic_machine=a29k-none + os=-bsd + ;; + amd64) + basic_machine=x86_64-pc + ;; + amd64-*) + basic_machine=x86_64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + amdahl) + basic_machine=580-amdahl + os=-sysv + ;; + amiga | amiga-*) + basic_machine=m68k-unknown + ;; + amigaos | amigados) + basic_machine=m68k-unknown + os=-amigaos + ;; + amigaunix | amix) + basic_machine=m68k-unknown + os=-sysv4 + ;; + apollo68) + basic_machine=m68k-apollo + os=-sysv + ;; + apollo68bsd) + basic_machine=m68k-apollo + os=-bsd + ;; + aros) + basic_machine=i386-pc + os=-aros + ;; + asmjs) + basic_machine=asmjs-unknown + ;; + aux) + basic_machine=m68k-apple + os=-aux + ;; + balance) + basic_machine=ns32k-sequent + os=-dynix + ;; + blackfin) + basic_machine=bfin-unknown + os=-linux + ;; + blackfin-*) + basic_machine=bfin-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + bluegene*) + basic_machine=powerpc-ibm + os=-cnk + ;; + c54x-*) + basic_machine=tic54x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c55x-*) + basic_machine=tic55x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c6x-*) + basic_machine=tic6x-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + c90) + basic_machine=c90-cray + os=-unicos + ;; + cegcc) + basic_machine=arm-unknown + os=-cegcc + ;; + convex-c1) + basic_machine=c1-convex + os=-bsd + ;; + convex-c2) + basic_machine=c2-convex + os=-bsd + ;; + convex-c32) + basic_machine=c32-convex + os=-bsd + ;; + convex-c34) + basic_machine=c34-convex + os=-bsd + ;; + convex-c38) + basic_machine=c38-convex + os=-bsd + ;; + cray | j90) + basic_machine=j90-cray + os=-unicos + ;; + craynv) + basic_machine=craynv-cray + os=-unicosmp + ;; + cr16 | cr16-*) + basic_machine=cr16-unknown + os=-elf + ;; + crds | unos) + basic_machine=m68k-crds + ;; + crisv32 | crisv32-* | etraxfs*) + basic_machine=crisv32-axis + ;; + cris | cris-* | etrax*) + basic_machine=cris-axis + ;; + crx) + basic_machine=crx-unknown + os=-elf + ;; + da30 | da30-*) + basic_machine=m68k-da30 + ;; + decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) + basic_machine=mips-dec + ;; + decsystem10* | dec10*) + basic_machine=pdp10-dec + os=-tops10 + ;; + decsystem20* | dec20*) + basic_machine=pdp10-dec + os=-tops20 + ;; + delta | 3300 | motorola-3300 | motorola-delta \ + | 3300-motorola | delta-motorola) + basic_machine=m68k-motorola + ;; + delta88) + basic_machine=m88k-motorola + os=-sysv3 + ;; + dicos) + basic_machine=i686-pc + os=-dicos + ;; + djgpp) + basic_machine=i586-pc + os=-msdosdjgpp + ;; + dpx20 | dpx20-*) + basic_machine=rs6000-bull + os=-bosx + ;; + dpx2* | dpx2*-bull) + basic_machine=m68k-bull + os=-sysv3 + ;; + ebmon29k) + basic_machine=a29k-amd + os=-ebmon + ;; + elxsi) + basic_machine=elxsi-elxsi + os=-bsd + ;; + encore | umax | mmax) + basic_machine=ns32k-encore + ;; + es1800 | OSE68k | ose68k | ose | OSE) + basic_machine=m68k-ericsson + os=-ose + ;; + fx2800) + basic_machine=i860-alliant + ;; + genix) + basic_machine=ns32k-ns + ;; + gmicro) + basic_machine=tron-gmicro + os=-sysv + ;; + go32) + basic_machine=i386-pc + os=-go32 + ;; + h3050r* | hiux*) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + h8300hms) + basic_machine=h8300-hitachi + os=-hms + ;; + h8300xray) + basic_machine=h8300-hitachi + os=-xray + ;; + h8500hms) + basic_machine=h8500-hitachi + os=-hms + ;; + harris) + basic_machine=m88k-harris + os=-sysv3 + ;; + hp300-*) + basic_machine=m68k-hp + ;; + hp300bsd) + basic_machine=m68k-hp + os=-bsd + ;; + hp300hpux) + basic_machine=m68k-hp + os=-hpux + ;; + hp3k9[0-9][0-9] | hp9[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k2[0-9][0-9] | hp9k31[0-9]) + basic_machine=m68000-hp + ;; + hp9k3[2-9][0-9]) + basic_machine=m68k-hp + ;; + hp9k6[0-9][0-9] | hp6[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hp9k7[0-79][0-9] | hp7[0-79][0-9]) + basic_machine=hppa1.1-hp + ;; + hp9k78[0-9] | hp78[0-9]) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[67]1 | hp8[67]1 | hp9k80[24] | hp80[24] | hp9k8[78]9 | hp8[78]9 | hp9k893 | hp893) + # FIXME: really hppa2.0-hp + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][13679] | hp8[0-9][13679]) + basic_machine=hppa1.1-hp + ;; + hp9k8[0-9][0-9] | hp8[0-9][0-9]) + basic_machine=hppa1.0-hp + ;; + hppa-next) + os=-nextstep3 + ;; + hppaosf) + basic_machine=hppa1.1-hp + os=-osf + ;; + hppro) + basic_machine=hppa1.1-hp + os=-proelf + ;; + i370-ibm* | ibm*) + basic_machine=i370-ibm + ;; + i*86v32) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv32 + ;; + i*86v4*) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv4 + ;; + i*86v) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-sysv + ;; + i*86sol2) + basic_machine=`echo $1 | sed -e 's/86.*/86-pc/'` + os=-solaris2 + ;; + i386mach) + basic_machine=i386-mach + os=-mach + ;; + i386-vsta | vsta) + basic_machine=i386-unknown + os=-vsta + ;; + iris | iris4d) + basic_machine=mips-sgi + case $os in + -irix*) + ;; + *) + os=-irix4 + ;; + esac + ;; + isi68 | isi) + basic_machine=m68k-isi + os=-sysv + ;; + leon-*|leon[3-9]-*) + basic_machine=sparc-`echo $basic_machine | sed 's/-.*//'` + ;; + m68knommu) + basic_machine=m68k-unknown + os=-linux + ;; + m68knommu-*) + basic_machine=m68k-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + m88k-omron*) + basic_machine=m88k-omron + ;; + magnum | m3230) + basic_machine=mips-mips + os=-sysv + ;; + merlin) + basic_machine=ns32k-utek + os=-sysv + ;; + microblaze*) + basic_machine=microblaze-xilinx + ;; + mingw64) + basic_machine=x86_64-pc + os=-mingw64 + ;; + mingw32) + basic_machine=i686-pc + os=-mingw32 + ;; + mingw32ce) + basic_machine=arm-unknown + os=-mingw32ce + ;; + miniframe) + basic_machine=m68000-convergent + ;; + *mint | -mint[0-9]* | *MiNT | *MiNT[0-9]*) + basic_machine=m68k-atari + os=-mint + ;; + mips3*-*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` + ;; + mips3*) + basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown + ;; + monitor) + basic_machine=m68k-rom68k + os=-coff + ;; + morphos) + basic_machine=powerpc-unknown + os=-morphos + ;; + moxiebox) + basic_machine=moxie-unknown + os=-moxiebox + ;; + msdos) + basic_machine=i386-pc + os=-msdos + ;; + ms1-*) + basic_machine=`echo $basic_machine | sed -e 's/ms1-/mt-/'` + ;; + msys) + basic_machine=i686-pc + os=-msys + ;; + mvs) + basic_machine=i370-ibm + os=-mvs + ;; + nacl) + basic_machine=le32-unknown + os=-nacl + ;; + ncr3000) + basic_machine=i486-ncr + os=-sysv4 + ;; + netbsd386) + basic_machine=i386-unknown + os=-netbsd + ;; + netwinder) + basic_machine=armv4l-rebel + os=-linux + ;; + news | news700 | news800 | news900) + basic_machine=m68k-sony + os=-newsos + ;; + news1000) + basic_machine=m68030-sony + os=-newsos + ;; + news-3600 | risc-news) + basic_machine=mips-sony + os=-newsos + ;; + necv70) + basic_machine=v70-nec + os=-sysv + ;; + next | m*-next ) + basic_machine=m68k-next + case $os in + -nextstep* ) + ;; + -ns2*) + os=-nextstep2 + ;; + *) + os=-nextstep3 + ;; + esac + ;; + nh3000) + basic_machine=m68k-harris + os=-cxux + ;; + nh[45]000) + basic_machine=m88k-harris + os=-cxux + ;; + nindy960) + basic_machine=i960-intel + os=-nindy + ;; + mon960) + basic_machine=i960-intel + os=-mon960 + ;; + nonstopux) + basic_machine=mips-compaq + os=-nonstopux + ;; + np1) + basic_machine=np1-gould + ;; + neo-tandem) + basic_machine=neo-tandem + ;; + nse-tandem) + basic_machine=nse-tandem + ;; + nsr-tandem) + basic_machine=nsr-tandem + ;; + op50n-* | op60c-*) + basic_machine=hppa1.1-oki + os=-proelf + ;; + openrisc | openrisc-*) + basic_machine=or32-unknown + ;; + os400) + basic_machine=powerpc-ibm + os=-os400 + ;; + OSE68000 | ose68000) + basic_machine=m68000-ericsson + os=-ose + ;; + os68k) + basic_machine=m68k-none + os=-os68k + ;; + pa-hitachi) + basic_machine=hppa1.1-hitachi + os=-hiuxwe2 + ;; + paragon) + basic_machine=i860-intel + os=-osf + ;; + parisc) + basic_machine=hppa-unknown + os=-linux + ;; + parisc-*) + basic_machine=hppa-`echo $basic_machine | sed 's/^[^-]*-//'` + os=-linux + ;; + pbd) + basic_machine=sparc-tti + ;; + pbb) + basic_machine=m68k-tti + ;; + pc532 | pc532-*) + basic_machine=ns32k-pc532 + ;; + pc98) + basic_machine=i386-pc + ;; + pc98-*) + basic_machine=i386-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium | p5 | k5 | k6 | nexgen | viac3) + basic_machine=i586-pc + ;; + pentiumpro | p6 | 6x86 | athlon | athlon_*) + basic_machine=i686-pc + ;; + pentiumii | pentium2 | pentiumiii | pentium3) + basic_machine=i686-pc + ;; + pentium4) + basic_machine=i786-pc + ;; + pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*) + basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumpro-* | p6-* | 6x86-* | athlon-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*) + basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pentium4-*) + basic_machine=i786-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + pn) + basic_machine=pn-gould + ;; + power) basic_machine=power-ibm + ;; + ppc | ppcbe) basic_machine=powerpc-unknown + ;; + ppc-* | ppcbe-*) + basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppcle | powerpclittle | ppc-le | powerpc-little) + basic_machine=powerpcle-unknown + ;; + ppcle-* | powerpclittle-*) + basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64) basic_machine=powerpc64-unknown + ;; + ppc64-*) basic_machine=powerpc64-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ppc64le | powerpc64little | ppc64-le | powerpc64-little) + basic_machine=powerpc64le-unknown + ;; + ppc64le-* | powerpc64little-*) + basic_machine=powerpc64le-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + ps2) + basic_machine=i386-ibm + ;; + pw32) + basic_machine=i586-unknown + os=-pw32 + ;; + rdos | rdos64) + basic_machine=x86_64-pc + os=-rdos + ;; + rdos32) + basic_machine=i386-pc + os=-rdos + ;; + rom68k) + basic_machine=m68k-rom68k + os=-coff + ;; + rm[46]00) + basic_machine=mips-siemens + ;; + rtpc | rtpc-*) + basic_machine=romp-ibm + ;; + s390 | s390-*) + basic_machine=s390-ibm + ;; + s390x | s390x-*) + basic_machine=s390x-ibm + ;; + sa29200) + basic_machine=a29k-amd + os=-udi + ;; + sb1) + basic_machine=mipsisa64sb1-unknown + ;; + sb1el) + basic_machine=mipsisa64sb1el-unknown + ;; + sde) + basic_machine=mipsisa32-sde + os=-elf + ;; + sei) + basic_machine=mips-sei + os=-seiux + ;; + sequent) + basic_machine=i386-sequent + ;; + sh) + basic_machine=sh-hitachi + os=-hms + ;; + sh5el) + basic_machine=sh5le-unknown + ;; + sh64) + basic_machine=sh64-unknown + ;; + sparclite-wrs | simso-wrs) + basic_machine=sparclite-wrs + os=-vxworks + ;; + sps7) + basic_machine=m68k-bull + os=-sysv2 + ;; + spur) + basic_machine=spur-unknown + ;; + st2000) + basic_machine=m68k-tandem + ;; + stratus) + basic_machine=i860-stratus + os=-sysv4 + ;; + strongarm-* | thumb-*) + basic_machine=arm-`echo $basic_machine | sed 's/^[^-]*-//'` + ;; + sun2) + basic_machine=m68000-sun + ;; + sun2os3) + basic_machine=m68000-sun + os=-sunos3 + ;; + sun2os4) + basic_machine=m68000-sun + os=-sunos4 + ;; + sun3os3) + basic_machine=m68k-sun + os=-sunos3 + ;; + sun3os4) + basic_machine=m68k-sun + os=-sunos4 + ;; + sun4os3) + basic_machine=sparc-sun + os=-sunos3 + ;; + sun4os4) + basic_machine=sparc-sun + os=-sunos4 + ;; + sun4sol2) + basic_machine=sparc-sun + os=-solaris2 + ;; + sun3 | sun3-*) + basic_machine=m68k-sun + ;; + sun4) + basic_machine=sparc-sun + ;; + sun386 | sun386i | roadrunner) + basic_machine=i386-sun + ;; + sv1) + basic_machine=sv1-cray + os=-unicos + ;; + symmetry) + basic_machine=i386-sequent + os=-dynix + ;; + t3e) + basic_machine=alphaev5-cray + os=-unicos + ;; + t90) + basic_machine=t90-cray + os=-unicos + ;; + tile*) + basic_machine=$basic_machine-unknown + os=-linux-gnu + ;; + tx39) + basic_machine=mipstx39-unknown + ;; + tx39el) + basic_machine=mipstx39el-unknown + ;; + toad1) + basic_machine=pdp10-xkl + os=-tops20 + ;; + tower | tower-32) + basic_machine=m68k-ncr + ;; + tpf) + basic_machine=s390x-ibm + os=-tpf + ;; + udi29k) + basic_machine=a29k-amd + os=-udi + ;; + ultra3) + basic_machine=a29k-nyu + os=-sym1 + ;; + v810 | necv810) + basic_machine=v810-nec + os=-none + ;; + vaxv) + basic_machine=vax-dec + os=-sysv + ;; + vms) + basic_machine=vax-dec + os=-vms + ;; + vpp*|vx|vx-*) + basic_machine=f301-fujitsu + ;; + vxworks960) + basic_machine=i960-wrs + os=-vxworks + ;; + vxworks68) + basic_machine=m68k-wrs + os=-vxworks + ;; + vxworks29k) + basic_machine=a29k-wrs + os=-vxworks + ;; + w65*) + basic_machine=w65-wdc + os=-none + ;; + w89k-*) + basic_machine=hppa1.1-winbond + os=-proelf + ;; + xbox) + basic_machine=i686-pc + os=-mingw32 + ;; + xps | xps100) + basic_machine=xps100-honeywell + ;; + xscale-* | xscalee[bl]-*) + basic_machine=`echo $basic_machine | sed 's/^xscale/arm/'` + ;; + ymp) + basic_machine=ymp-cray + os=-unicos + ;; + z8k-*-coff) + basic_machine=z8k-unknown + os=-sim + ;; + z80-*-coff) + basic_machine=z80-unknown + os=-sim + ;; + none) + basic_machine=none-none + os=-none + ;; + +# Here we handle the default manufacturer of certain CPU types. It is in +# some cases the only manufacturer, in others, it is the most popular. + w89k) + basic_machine=hppa1.1-winbond + ;; + op50n) + basic_machine=hppa1.1-oki + ;; + op60c) + basic_machine=hppa1.1-oki + ;; + romp) + basic_machine=romp-ibm + ;; + mmix) + basic_machine=mmix-knuth + ;; + rs6000) + basic_machine=rs6000-ibm + ;; + vax) + basic_machine=vax-dec + ;; + pdp10) + # there are many clones, so DEC is not a safe bet + basic_machine=pdp10-unknown + ;; + pdp11) + basic_machine=pdp11-dec + ;; + we32k) + basic_machine=we32k-att + ;; + sh[1234] | sh[24]a | sh[24]aeb | sh[34]eb | sh[1234]le | sh[23]ele) + basic_machine=sh-unknown + ;; + sparc | sparcv8 | sparcv9 | sparcv9b | sparcv9v) + basic_machine=sparc-sun + ;; + cydra) + basic_machine=cydra-cydrome + ;; + orion) + basic_machine=orion-highlevel + ;; + orion105) + basic_machine=clipper-highlevel + ;; + mac | mpw | mac-mpw) + basic_machine=m68k-apple + ;; + pmac | pmac-mpw) + basic_machine=powerpc-apple + ;; + *-unknown) + # Make sure to match an already-canonicalized machine name. + ;; + *) + echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 + exit 1 + ;; +esac + +# Here we canonicalize certain aliases for manufacturers. +case $basic_machine in + *-digital*) + basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` + ;; + *-commodore*) + basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` + ;; + *) + ;; +esac + +# Decode manufacturer-specific aliases for certain operating systems. + +if [ x"$os" != x"" ] +then +case $os in + # First match some system type aliases + # that might get confused with valid system types. + # -solaris* is a basic system type, with this one exception. + -auroraux) + os=-auroraux + ;; + -solaris1 | -solaris1.*) + os=`echo $os | sed -e 's|solaris1|sunos4|'` + ;; + -solaris) + os=-solaris2 + ;; + -svr4*) + os=-sysv4 + ;; + -unixware*) + os=-sysv4.2uw + ;; + -gnu/linux*) + os=`echo $os | sed -e 's|gnu/linux|linux-gnu|'` + ;; + # First accept the basic system types. + # The portable systems comes first. + # Each alternative MUST END IN A *, to match a version number. + # -sysv* is not here because it comes later, after sysvr4. + -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ + | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\ + | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \ + | -sym* | -kopensolaris* | -plan9* \ + | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \ + | -aos* | -aros* | -cloudabi* | -sortix* \ + | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \ + | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \ + | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \ + | -bitrig* | -openbsd* | -solidbsd* \ + | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \ + | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \ + | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ + | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \ + | -chorusos* | -chorusrdb* | -cegcc* \ + | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \ + | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \ + | -linux-newlib* | -linux-musl* | -linux-uclibc* \ + | -uxpv* | -beos* | -mpeix* | -udk* | -moxiebox* \ + | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \ + | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \ + | -storm-chaos* | -tops10* | -tenex* | -tops20* | -its* \ + | -os2* | -vos* | -palmos* | -uclinux* | -nucleus* \ + | -morphos* | -superux* | -rtmk* | -rtmk-nova* | -windiss* \ + | -powermax* | -dnix* | -nx6 | -nx7 | -sei* | -dragonfly* \ + | -skyos* | -haiku* | -rdos* | -toppers* | -drops* | -es* | -tirtos*) + # Remember, each alternative MUST END IN *, to match a version number. + ;; + -qnx*) + case $basic_machine in + x86-* | i*86-*) + ;; + *) + os=-nto$os + ;; + esac + ;; + -nto-qnx*) + ;; + -nto*) + os=`echo $os | sed -e 's|nto|nto-qnx|'` + ;; + -sim | -es1800* | -hms* | -xray | -os68k* | -none* | -v88r* \ + | -windows* | -osx | -abug | -netware* | -os9* | -beos* | -haiku* \ + | -macos* | -mpw* | -magic* | -mmixware* | -mon960* | -lnews*) + ;; + -mac*) + os=`echo $os | sed -e 's|mac|macos|'` + ;; + -linux-dietlibc) + os=-linux-dietlibc + ;; + -linux*) + os=`echo $os | sed -e 's|linux|linux-gnu|'` + ;; + -sunos5*) + os=`echo $os | sed -e 's|sunos5|solaris2|'` + ;; + -sunos6*) + os=`echo $os | sed -e 's|sunos6|solaris3|'` + ;; + -opened*) + os=-openedition + ;; + -os400*) + os=-os400 + ;; + -wince*) + os=-wince + ;; + -osfrose*) + os=-osfrose + ;; + -osf*) + os=-osf + ;; + -utek*) + os=-bsd + ;; + -dynix*) + os=-bsd + ;; + -acis*) + os=-aos + ;; + -atheos*) + os=-atheos + ;; + -syllable*) + os=-syllable + ;; + -386bsd) + os=-bsd + ;; + -ctix* | -uts*) + os=-sysv + ;; + -nova*) + os=-rtmk-nova + ;; + -ns2 ) + os=-nextstep2 + ;; + -nsk*) + os=-nsk + ;; + # Preserve the version number of sinix5. + -sinix5.*) + os=`echo $os | sed -e 's|sinix|sysv|'` + ;; + -sinix*) + os=-sysv4 + ;; + -tpf*) + os=-tpf + ;; + -triton*) + os=-sysv3 + ;; + -oss*) + os=-sysv3 + ;; + -svr4) + os=-sysv4 + ;; + -svr3) + os=-sysv3 + ;; + -sysvr4) + os=-sysv4 + ;; + # This must come after -sysvr4. + -sysv*) + ;; + -ose*) + os=-ose + ;; + -es1800*) + os=-ose + ;; + -xenix) + os=-xenix + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + os=-mint + ;; + -aros*) + os=-aros + ;; + -zvmoe) + os=-zvmoe + ;; + -dicos*) + os=-dicos + ;; + -nacl*) + ;; + -none) + ;; + *) + # Get rid of the `-' at the beginning of $os. + os=`echo $os | sed 's/[^-]*-//'` + echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 + exit 1 + ;; +esac +else + +# Here we handle the default operating systems that come with various machines. +# The value should be what the vendor currently ships out the door with their +# machine or put another way, the most popular os provided with the machine. + +# Note that if you're going to try to match "-MANUFACTURER" here (say, +# "-sun"), then you have to tell the case statement up towards the top +# that MANUFACTURER isn't an operating system. Otherwise, code above +# will signal an error saying that MANUFACTURER isn't an operating +# system, and we'll never get to this point. + +case $basic_machine in + score-*) + os=-elf + ;; + spu-*) + os=-elf + ;; + *-acorn) + os=-riscix1.2 + ;; + arm*-rebel) + os=-linux + ;; + arm*-semi) + os=-aout + ;; + c4x-* | tic4x-*) + os=-coff + ;; + c8051-*) + os=-elf + ;; + hexagon-*) + os=-elf + ;; + tic54x-*) + os=-coff + ;; + tic55x-*) + os=-coff + ;; + tic6x-*) + os=-coff + ;; + # This must come before the *-dec entry. + pdp10-*) + os=-tops20 + ;; + pdp11-*) + os=-none + ;; + *-dec | vax-*) + os=-ultrix4.2 + ;; + m68*-apollo) + os=-domain + ;; + i386-sun) + os=-sunos4.0.2 + ;; + m68000-sun) + os=-sunos3 + ;; + m68*-cisco) + os=-aout + ;; + mep-*) + os=-elf + ;; + mips*-cisco) + os=-elf + ;; + mips*-*) + os=-elf + ;; + or32-*) + os=-coff + ;; + *-tti) # must be before sparc entry or we get the wrong os. + os=-sysv3 + ;; + sparc-* | *-sun) + os=-sunos4.1.1 + ;; + *-be) + os=-beos + ;; + *-haiku) + os=-haiku + ;; + *-ibm) + os=-aix + ;; + *-knuth) + os=-mmixware + ;; + *-wec) + os=-proelf + ;; + *-winbond) + os=-proelf + ;; + *-oki) + os=-proelf + ;; + *-hp) + os=-hpux + ;; + *-hitachi) + os=-hiux + ;; + i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) + os=-sysv + ;; + *-cbm) + os=-amigaos + ;; + *-dg) + os=-dgux + ;; + *-dolphin) + os=-sysv3 + ;; + m68k-ccur) + os=-rtu + ;; + m88k-omron*) + os=-luna + ;; + *-next ) + os=-nextstep + ;; + *-sequent) + os=-ptx + ;; + *-crds) + os=-unos + ;; + *-ns) + os=-genix + ;; + i370-*) + os=-mvs + ;; + *-next) + os=-nextstep3 + ;; + *-gould) + os=-sysv + ;; + *-highlevel) + os=-bsd + ;; + *-encore) + os=-bsd + ;; + *-sgi) + os=-irix + ;; + *-siemens) + os=-sysv4 + ;; + *-masscomp) + os=-rtu + ;; + f30[01]-fujitsu | f700-fujitsu) + os=-uxpv + ;; + *-rom68k) + os=-coff + ;; + *-*bug) + os=-coff + ;; + *-apple) + os=-macos + ;; + *-atari*) + os=-mint + ;; + *) + os=-none + ;; +esac +fi + +# Here we handle the case where we know the os, and the CPU type, but not the +# manufacturer. We pick the logical manufacturer. +vendor=unknown +case $basic_machine in + *-unknown) + case $os in + -riscix*) + vendor=acorn + ;; + -sunos*) + vendor=sun + ;; + -cnk*|-aix*) + vendor=ibm + ;; + -beos*) + vendor=be + ;; + -hpux*) + vendor=hp + ;; + -mpeix*) + vendor=hp + ;; + -hiux*) + vendor=hitachi + ;; + -unos*) + vendor=crds + ;; + -dgux*) + vendor=dg + ;; + -luna*) + vendor=omron + ;; + -genix*) + vendor=ns + ;; + -mvs* | -opened*) + vendor=ibm + ;; + -os400*) + vendor=ibm + ;; + -ptx*) + vendor=sequent + ;; + -tpf*) + vendor=ibm + ;; + -vxsim* | -vxworks* | -windiss*) + vendor=wrs + ;; + -aux*) + vendor=apple + ;; + -hms*) + vendor=hitachi + ;; + -mpw* | -macos*) + vendor=apple + ;; + -*mint | -mint[0-9]* | -*MiNT | -MiNT[0-9]*) + vendor=atari + ;; + -vos*) + vendor=stratus + ;; + esac + basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` + ;; +esac + +echo $basic_machine$os +exit + +# Local variables: +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "timestamp='" +# time-stamp-format: "%:y-%02m-%02d" +# time-stamp-end: "'" +# End: diff --git a/configure b/configure new file mode 100755 index 0000000..3d06e57 --- /dev/null +++ b/configure @@ -0,0 +1,8111 @@ +#! /bin/sh +# Guess values for system-dependent variables and create Makefiles. +# Generated by GNU Autoconf 2.69 for memcached 1.5.4. +# +# Report bugs to . +# +# +# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc. +# +# +# This configure script is free software; the Free Software Foundation +# gives unlimited permission to copy, distribute and modify it. +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + +# Use a proper internal environment variable to ensure we don't fall + # into an infinite loop, continuously re-executing ourselves. + if test x"${_as_can_reexec}" != xno && test "x$CONFIG_SHELL" != x; then + _as_can_reexec=no; export _as_can_reexec; + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +as_fn_exit 255 + fi + # We don't want this to propagate to other subprocesses. + { _as_can_reexec=; unset _as_can_reexec;} +if test "x$CONFIG_SHELL" = x; then + as_bourne_compatible="if test -n \"\${ZSH_VERSION+set}\" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on \${1+\"\$@\"}, which + # is contrary to our usage. Disable this feature. + alias -g '\${1+\"\$@\"}'='\"\$@\"' + setopt NO_GLOB_SUBST +else + case \`(set -o) 2>/dev/null\` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi +" + as_required="as_fn_return () { (exit \$1); } +as_fn_success () { as_fn_return 0; } +as_fn_failure () { as_fn_return 1; } +as_fn_ret_success () { return 0; } +as_fn_ret_failure () { return 1; } + +exitcode=0 +as_fn_success || { exitcode=1; echo as_fn_success failed.; } +as_fn_failure && { exitcode=1; echo as_fn_failure succeeded.; } +as_fn_ret_success || { exitcode=1; echo as_fn_ret_success failed.; } +as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; } +if ( set x; as_fn_ret_success y && test x = \"\$1\" ); then : + +else + exitcode=1; echo positional parameters were not saved. +fi +test x\$exitcode = x0 || exit 1 +test -x / || exit 1" + as_suggested=" as_lineno_1=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_1a=\$LINENO + as_lineno_2=";as_suggested=$as_suggested$LINENO;as_suggested=$as_suggested" as_lineno_2a=\$LINENO + eval 'test \"x\$as_lineno_1'\$as_run'\" != \"x\$as_lineno_2'\$as_run'\" && + test \"x\`expr \$as_lineno_1'\$as_run' + 1\`\" = \"x\$as_lineno_2'\$as_run'\"' || exit 1 +test \$(( 1 + 1 )) = 2 || exit 1" + if (eval "$as_required") 2>/dev/null; then : + as_have_required=yes +else + as_have_required=no +fi + if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null; then : + +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_found=false +for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + as_found=: + case $as_dir in #( + /*) + for as_base in sh bash ksh sh5; do + # Try only shells that exist, to save several forks. + as_shell=$as_dir/$as_base + if { test -f "$as_shell" || test -f "$as_shell.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$as_shell"; } 2>/dev/null; then : + CONFIG_SHELL=$as_shell as_have_required=yes + if { $as_echo "$as_bourne_compatible""$as_suggested" | as_run=a "$as_shell"; } 2>/dev/null; then : + break 2 +fi +fi + done;; + esac + as_found=false +done +$as_found || { if { test -f "$SHELL" || test -f "$SHELL.exe"; } && + { $as_echo "$as_bourne_compatible""$as_required" | as_run=a "$SHELL"; } 2>/dev/null; then : + CONFIG_SHELL=$SHELL as_have_required=yes +fi; } +IFS=$as_save_IFS + + + if test "x$CONFIG_SHELL" != x; then : + export CONFIG_SHELL + # We cannot yet assume a decent shell, so we have to provide a +# neutralization value for shells without unset; and this also +# works around shells that cannot unset nonexistent variables. +# Preserve -v and -x to the replacement shell. +BASH_ENV=/dev/null +ENV=/dev/null +(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV +case $- in # (((( + *v*x* | *x*v* ) as_opts=-vx ;; + *v* ) as_opts=-v ;; + *x* ) as_opts=-x ;; + * ) as_opts= ;; +esac +exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"} +# Admittedly, this is quite paranoid, since all the known shells bail +# out after a failed `exec'. +$as_echo "$0: could not re-execute with $CONFIG_SHELL" >&2 +exit 255 +fi + + if test x$as_have_required = xno; then : + $as_echo "$0: This script requires a shell more modern than all" + $as_echo "$0: the shells that I found on your system." + if test x${ZSH_VERSION+set} = xset ; then + $as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should" + $as_echo "$0: be upgraded to zsh 4.3.4 or later." + else + $as_echo "$0: Please tell bug-autoconf@gnu.org and +$0: memcached@googlegroups.com about your system, including +$0: any error possibly output before this message. Then +$0: install a modern shell, or manually run the script +$0: under such a shell if you do have one." + fi + exit 1 +fi +fi +fi +SHELL=${CONFIG_SHELL-/bin/sh} +export SHELL +# Unset more variables known to interfere with behavior of common tools. +CLICOLOR_FORCE= GREP_OPTIONS= +unset CLICOLOR_FORCE GREP_OPTIONS + +## --------------------- ## +## M4sh Shell Functions. ## +## --------------------- ## +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_mkdir_p +# ------------- +# Create "$as_dir" as a directory, including parents if necessary. +as_fn_mkdir_p () +{ + + case $as_dir in #( + -*) as_dir=./$as_dir;; + esac + test -d "$as_dir" || eval $as_mkdir_p || { + as_dirs= + while :; do + case $as_dir in #( + *\'*) as_qdir=`$as_echo "$as_dir" | sed "s/'/'\\\\\\\\''/g"`;; #'( + *) as_qdir=$as_dir;; + esac + as_dirs="'$as_qdir' $as_dirs" + as_dir=`$as_dirname -- "$as_dir" || +$as_expr X"$as_dir" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$as_dir" : 'X\(//\)[^/]' \| \ + X"$as_dir" : 'X\(//\)$' \| \ + X"$as_dir" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$as_dir" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + test -d "$as_dir" && break + done + test -z "$as_dirs" || eval "mkdir $as_dirs" + } || test -d "$as_dir" || as_fn_error $? "cannot create directory $as_dir" + + +} # as_fn_mkdir_p + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. The arguments +# must be portable across $(()) and expr. +if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then : + eval 'as_fn_arith () + { + as_val=$(( $* )) + }' +else + as_fn_arith () + { + as_val=`expr "$@" || test $? -eq 1` + } +fi # as_fn_arith + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + +if expr a : '\(a\)' >/dev/null 2>&1 && + test "X`expr 00001 : '.*\(...\)'`" = X001; then + as_expr=expr +else + as_expr=false +fi + +if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then + as_basename=basename +else + as_basename=false +fi + +if (as_dir=`dirname -- /` && test "X$as_dir" = X/) >/dev/null 2>&1; then + as_dirname=dirname +else + as_dirname=false +fi + +as_me=`$as_basename -- "$0" || +$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ + X"$0" : 'X\(//\)$' \| \ + X"$0" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X/"$0" | + sed '/^.*\/\([^/][^/]*\)\/*$/{ + s//\1/ + q + } + /^X\/\(\/\/\)$/{ + s//\1/ + q + } + /^X\/\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + +# Avoid depending upon Character Ranges. +as_cr_letters='abcdefghijklmnopqrstuvwxyz' +as_cr_LETTERS='ABCDEFGHIJKLMNOPQRSTUVWXYZ' +as_cr_Letters=$as_cr_letters$as_cr_LETTERS +as_cr_digits='0123456789' +as_cr_alnum=$as_cr_Letters$as_cr_digits + + + as_lineno_1=$LINENO as_lineno_1a=$LINENO + as_lineno_2=$LINENO as_lineno_2a=$LINENO + eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && + test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { + # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) + sed -n ' + p + /[$]LINENO/= + ' <$as_myself | + sed ' + s/[$]LINENO.*/&-/ + t lineno + b + :lineno + N + :loop + s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ + t loop + s/-\n.*// + ' >$as_me.lineno && + chmod +x "$as_me.lineno" || + { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } + + # If we had to re-execute with $CONFIG_SHELL, we're ensured to have + # already done that, so ensure we don't try to do so again and fall + # in an infinite loop. This has already happened in practice. + _as_can_reexec=no; export _as_can_reexec + # Don't try to exec as it changes $[0], causing all sort of problems + # (the dirname of $[0] is not the place where we might find the + # original and so on. Autoconf is especially sensitive to this). + . "./$as_me.lineno" + # Exit status is that of the last command. + exit +} + +ECHO_C= ECHO_N= ECHO_T= +case `echo -n x` in #((((( +-n*) + case `echo 'xy\c'` in + *c*) ECHO_T=' ';; # ECHO_T is single tab character. + xy) ECHO_C='\c';; + *) echo `echo ksh88 bug on AIX 6.1` > /dev/null + ECHO_T=' ';; + esac;; +*) + ECHO_N='-n';; +esac + +rm -f conf$$ conf$$.exe conf$$.file +if test -d conf$$.dir; then + rm -f conf$$.dir/conf$$.file +else + rm -f conf$$.dir + mkdir conf$$.dir 2>/dev/null +fi +if (echo >conf$$.file) 2>/dev/null; then + if ln -s conf$$.file conf$$ 2>/dev/null; then + as_ln_s='ln -s' + # ... but there are two gotchas: + # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail. + # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable. + # In both cases, we have to default to `cp -pR'. + ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe || + as_ln_s='cp -pR' + elif ln conf$$.file conf$$ 2>/dev/null; then + as_ln_s=ln + else + as_ln_s='cp -pR' + 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It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + + done +IFS=$as_save_IFS + +rm -rf conftest.one conftest.two conftest.dir + +fi + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether build environment is sane" >&5 +$as_echo_n "checking whether build environment is sane... " >&6; } +# Reject unsafe characters in $srcdir or the absolute working directory +# name. Accept space and tab only in the latter. +am_lf=' +' +case `pwd` in + *[\\\"\#\$\&\'\`$am_lf]*) + as_fn_error $? "unsafe absolute working directory name" "$LINENO" 5;; +esac +case $srcdir in + *[\\\"\#\$\&\'\`$am_lf\ \ ]*) + as_fn_error $? "unsafe srcdir value: '$srcdir'" "$LINENO" 5;; +esac + +# Do 'set' in a subshell so we don't clobber the current shell's +# arguments. Must try -L first in case configure is actually a +# symlink; some systems play weird games with the mod time of symlinks +# (eg FreeBSD returns the mod time of the symlink's containing +# directory). +if ( + am_has_slept=no + for am_try in 1 2; do + echo "timestamp, slept: $am_has_slept" > conftest.file + set X `ls -Lt "$srcdir/configure" conftest.file 2> /dev/null` + if test "$*" = "X"; then + # -L didn't work. + set X `ls -t "$srcdir/configure" conftest.file` + fi + if test "$*" != "X $srcdir/configure conftest.file" \ + && test "$*" != "X conftest.file $srcdir/configure"; then + + # If neither matched, then we have a broken ls. This can happen + # if, for instance, CONFIG_SHELL is bash and it inherits a + # broken ls alias from the environment. This has actually + # happened. Such a system could not be considered "sane". + as_fn_error $? "ls -t appears to fail. Make sure there is not a broken + alias in your environment" "$LINENO" 5 + fi + if test "$2" = conftest.file || test $am_try -eq 2; then + break + fi + # Just in case. + sleep 1 + am_has_slept=yes + done + test "$2" = conftest.file + ) +then + # Ok. + : +else + as_fn_error $? "newly created file is older than distributed files! +Check your system clock" "$LINENO" 5 +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +# If we didn't sleep, we still need to ensure time stamps of config.status and +# generated files are strictly newer. +am_sleep_pid= +if grep 'slept: no' conftest.file >/dev/null 2>&1; then + ( sleep 1 ) & + am_sleep_pid=$! +fi + +rm -f conftest.file + +test "$program_prefix" != NONE && + program_transform_name="s&^&$program_prefix&;$program_transform_name" +# Use a double $ so make ignores it. +test "$program_suffix" != NONE && + program_transform_name="s&\$&$program_suffix&;$program_transform_name" +# Double any \ or $. +# By default was `s,x,x', remove it if useless. +ac_script='s/[\\$]/&&/g;s/;s,x,x,$//' +program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"` + +# Expand $ac_aux_dir to an absolute path. +am_aux_dir=`cd "$ac_aux_dir" && pwd` + +if test x"${MISSING+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;; + *) + MISSING="\${SHELL} $am_aux_dir/missing" ;; + esac +fi +# Use eval to expand $SHELL +if eval "$MISSING --is-lightweight"; then + am_missing_run="$MISSING " +else + am_missing_run= + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5 +$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;} +fi + +if test x"${install_sh+set}" != xset; then + case $am_aux_dir in + *\ * | *\ *) + install_sh="\${SHELL} '$am_aux_dir/install-sh'" ;; + *) + install_sh="\${SHELL} $am_aux_dir/install-sh" + esac +fi + +# Installed binaries are usually stripped using 'strip' when the user +# run "make install-strip". However 'strip' might not be the right +# tool to use in cross-compilation environments, therefore Automake +# will honor the 'STRIP' environment variable to overrule this program. +if test "$cross_compiling" != no; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}strip", so it can be a program name with args. +set dummy ${ac_tool_prefix}strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$STRIP"; then + ac_cv_prog_STRIP="$STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_STRIP="${ac_tool_prefix}strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +STRIP=$ac_cv_prog_STRIP +if test -n "$STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $STRIP" >&5 +$as_echo "$STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_STRIP"; then + ac_ct_STRIP=$STRIP + # Extract the first word of "strip", so it can be a program name with args. +set dummy strip; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_STRIP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_STRIP"; then + ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_STRIP="strip" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP +if test -n "$ac_ct_STRIP"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_STRIP" >&5 +$as_echo "$ac_ct_STRIP" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_STRIP" = x; then + STRIP=":" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + STRIP=$ac_ct_STRIP + fi +else + STRIP="$ac_cv_prog_STRIP" +fi + +fi +INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s" + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5 +$as_echo_n "checking for a thread-safe mkdir -p... " >&6; } +if test -z "$MKDIR_P"; then + if ${ac_cv_path_mkdir+:} false; then : + $as_echo_n "(cached) " >&6 +else + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in mkdir gmkdir; do + for ac_exec_ext in '' $ac_executable_extensions; do + as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext" || continue + case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #( + 'mkdir (GNU coreutils) '* | \ + 'mkdir (coreutils) '* | \ + 'mkdir (fileutils) '4.1*) + ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext + break 3;; + esac + done + done + done +IFS=$as_save_IFS + +fi + + test -d ./--version && rmdir ./--version + if test "${ac_cv_path_mkdir+set}" = set; then + MKDIR_P="$ac_cv_path_mkdir -p" + else + # As a last resort, use the slow shell script. Don't cache a + # value for MKDIR_P within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + MKDIR_P="$ac_install_sh -d" + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5 +$as_echo "$MKDIR_P" >&6; } + +for ac_prog in gawk mawk nawk awk +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_AWK+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_AWK="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$AWK" && break +done + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ${MAKE-make} sets \$(MAKE)" >&5 +$as_echo_n "checking whether ${MAKE-make} sets \$(MAKE)... " >&6; } +set x ${MAKE-make} +ac_make=`$as_echo "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'` +if eval \${ac_cv_prog_make_${ac_make}_set+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat >conftest.make <<\_ACEOF +SHELL = /bin/sh +all: + @echo '@@@%%%=$(MAKE)=@@@%%%' +_ACEOF +# GNU make sometimes prints "make[1]: Entering ...", which would confuse us. +case `${MAKE-make} -f conftest.make 2>/dev/null` in + *@@@%%%=?*=@@@%%%*) + eval ac_cv_prog_make_${ac_make}_set=yes;; + *) + eval ac_cv_prog_make_${ac_make}_set=no;; +esac +rm -f conftest.make +fi +if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + SET_MAKE= +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + SET_MAKE="MAKE=${MAKE-make}" +fi + +rm -rf .tst 2>/dev/null +mkdir .tst 2>/dev/null +if test -d .tst; then + am__leading_dot=. +else + am__leading_dot=_ +fi +rmdir .tst 2>/dev/null + +# Check whether --enable-silent-rules was given. +if test "${enable_silent_rules+set}" = set; then : + enableval=$enable_silent_rules; +fi + +case $enable_silent_rules in # ((( + yes) AM_DEFAULT_VERBOSITY=0;; + no) AM_DEFAULT_VERBOSITY=1;; + *) AM_DEFAULT_VERBOSITY=1;; +esac +am_make=${MAKE-make} +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $am_make supports nested variables" >&5 +$as_echo_n "checking whether $am_make supports nested variables... " >&6; } +if ${am_cv_make_support_nested_variables+:} false; then : + $as_echo_n "(cached) " >&6 +else + if $as_echo 'TRUE=$(BAR$(V)) +BAR0=false +BAR1=true +V=1 +am__doit: + @$(TRUE) +.PHONY: am__doit' | $am_make -f - >/dev/null 2>&1; then + am_cv_make_support_nested_variables=yes +else + am_cv_make_support_nested_variables=no +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5 +$as_echo "$am_cv_make_support_nested_variables" >&6; } +if test $am_cv_make_support_nested_variables = yes; then + AM_V='$(V)' + AM_DEFAULT_V='$(AM_DEFAULT_VERBOSITY)' +else + AM_V=$AM_DEFAULT_VERBOSITY + AM_DEFAULT_V=$AM_DEFAULT_VERBOSITY +fi +AM_BACKSLASH='\' + +if test "`cd $srcdir && pwd`" != "`pwd`"; then + # Use -I$(srcdir) only when $(srcdir) != ., so that make's output + # is not polluted with repeated "-I." + am__isrc=' -I$(srcdir)' + # test to see if srcdir already configured + if test -f $srcdir/config.status; then + as_fn_error $? "source directory already configured; run \"make distclean\" there first" "$LINENO" 5 + fi +fi + +# test whether we have cygpath +if test -z "$CYGPATH_W"; then + if (cygpath --version) >/dev/null 2>/dev/null; then + CYGPATH_W='cygpath -w' + else + CYGPATH_W=echo + fi +fi + + +# Define the identity of the package. + PACKAGE='memcached' + VERSION='1.5.4' + + +cat >>confdefs.h <<_ACEOF +#define PACKAGE "$PACKAGE" +_ACEOF + + +cat >>confdefs.h <<_ACEOF +#define VERSION "$VERSION" +_ACEOF + +# Some tools Automake needs. + +ACLOCAL=${ACLOCAL-"${am_missing_run}aclocal-${am__api_version}"} + + +AUTOCONF=${AUTOCONF-"${am_missing_run}autoconf"} + + +AUTOMAKE=${AUTOMAKE-"${am_missing_run}automake-${am__api_version}"} + + +AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"} + + +MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"} + +# For better backward compatibility. To be removed once Automake 1.9.x +# dies out for good. For more background, see: +# +# +mkdir_p='$(MKDIR_P)' + +# We need awk for the "check" target (and possibly the TAP driver). The +# system "awk" is bad on some platforms. +# Always define AMTAR for backward compatibility. Yes, it's still used +# in the wild :-( We should find a proper way to deprecate it ... +AMTAR='$${TAR-tar}' + + +# We'll loop over all known methods to create a tar archive until one works. +_am_tools='gnutar pax cpio none' + +am__tar='$${TAR-tar} chof - "$$tardir"' am__untar='$${TAR-tar} xf -' + + + + + + +# POSIX will say in a future version that running "rm -f" with no argument +# is OK; and we want to be able to make that assumption in our Makefile +# recipes. So use an aggressive probe to check that the usage we want is +# actually supported "in the wild" to an acceptable degree. +# See automake bug#10828. +# To make any issue more visible, cause the running configure to be aborted +# by default if the 'rm' program in use doesn't match our expectations; the +# user can still override this though. +if rm -f && rm -fr && rm -rf; then : OK; else + cat >&2 <<'END' +Oops! + +Your 'rm' program seems unable to run without file operands specified +on the command line, even when the '-f' option is present. This is contrary +to the behaviour of most rm programs out there, and not conforming with +the upcoming POSIX standard: + +Please tell bug-automake@gnu.org about your system, including the value +of your $PATH and any error possibly output before this message. This +can help us improve future automake versions. + +END + if test x"$ACCEPT_INFERIOR_RM_PROGRAM" = x"yes"; then + echo 'Configuration will proceed anyway, since you have set the' >&2 + echo 'ACCEPT_INFERIOR_RM_PROGRAM variable to "yes"' >&2 + echo >&2 + else + cat >&2 <<'END' +Aborting the configuration process, to ensure you take notice of the issue. + +You can download and install GNU coreutils to get an 'rm' implementation +that behaves properly: . + +If you want to complete the configuration process using your problematic +'rm' anyway, export the environment variable ACCEPT_INFERIOR_RM_PROGRAM +to "yes", and re-run configure. + +END + as_fn_error $? "Your 'rm' program is bad, sorry." "$LINENO" 5 + fi +fi + +ac_config_headers="$ac_config_headers config.h" + + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}gcc", so it can be a program name with args. +set dummy ${ac_tool_prefix}gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_prog_CC"; then + ac_ct_CC=$CC + # Extract the first word of "gcc", so it can be a program name with args. +set dummy gcc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="gcc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +else + CC="$ac_cv_prog_CC" +fi + +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}cc", so it can be a program name with args. +set dummy ${ac_tool_prefix}cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="${ac_tool_prefix}cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + fi +fi +if test -z "$CC"; then + # Extract the first word of "cc", so it can be a program name with args. +set dummy cc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else + ac_prog_rejected=no +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + if test "$as_dir/$ac_word$ac_exec_ext" = "/usr/ucb/cc"; then + ac_prog_rejected=yes + continue + fi + ac_cv_prog_CC="cc" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +if test $ac_prog_rejected = yes; then + # We found a bogon in the path, so make sure we never use it. + set dummy $ac_cv_prog_CC + shift + if test $# != 0; then + # We chose a different compiler from the bogus one. + # However, it has the same basename, so the bogon will be chosen + # first if we set CC to just the basename; use the full file name. + shift + ac_cv_prog_CC="$as_dir/$ac_word${1+' '}$@" + fi +fi +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$CC"; then + if test -n "$ac_tool_prefix"; then + for ac_prog in cl.exe + do + # Extract the first word of "$ac_tool_prefix$ac_prog", so it can be a program name with args. +set dummy $ac_tool_prefix$ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$CC"; then + ac_cv_prog_CC="$CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_CC="$ac_tool_prefix$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +CC=$ac_cv_prog_CC +if test -n "$CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 +$as_echo "$CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$CC" && break + done +fi +if test -z "$CC"; then + ac_ct_CC=$CC + for ac_prog in cl.exe +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_ac_ct_CC+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$ac_ct_CC"; then + ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_ac_ct_CC="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + +fi +fi +ac_ct_CC=$ac_cv_prog_ac_ct_CC +if test -n "$ac_ct_CC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_CC" >&5 +$as_echo "$ac_ct_CC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$ac_ct_CC" && break +done + + if test "x$ac_ct_CC" = x; then + CC="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + CC=$ac_ct_CC + fi +fi + +fi + + +test -z "$CC" && { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "no acceptable C compiler found in \$PATH +See \`config.log' for more details" "$LINENO" 5; } + +# Provide some information about the compiler. +$as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 +set X $ac_compile +ac_compiler=$2 +for ac_option in --version -v -V -qversion; do + { { ac_try="$ac_compiler $ac_option >&5" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compiler $ac_option >&5") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + sed '10a\ +... rest of stderr output deleted ... + 10q' conftest.err >conftest.er1 + cat conftest.er1 >&5 + fi + rm -f conftest.er1 conftest.err + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } +done + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" +# Try to create an executable without -o first, disregard a.out. +# It will help us diagnose broken compilers, and finding out an intuition +# of exeext. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 +$as_echo_n "checking whether the C compiler works... " >&6; } +ac_link_default=`$as_echo "$ac_link" | sed 's/ -o *conftest[^ ]*//'` + +# The possible output files: +ac_files="a.out conftest.exe conftest a.exe a_out.exe b.out conftest.*" + +ac_rmfiles= +for ac_file in $ac_files +do + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + * ) ac_rmfiles="$ac_rmfiles $ac_file";; + esac +done +rm -f $ac_rmfiles + +if { { ac_try="$ac_link_default" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link_default") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + # Autoconf-2.13 could set the ac_cv_exeext variable to `no'. +# So ignore a value of `no', otherwise this would lead to `EXEEXT = no' +# in a Makefile. We should not override ac_cv_exeext if it was cached, +# so that the user can short-circuit this test for compilers unknown to +# Autoconf. +for ac_file in $ac_files '' +do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) + ;; + [ab].out ) + # We found the default executable, but exeext='' is most + # certainly right. + break;; + *.* ) + if test "${ac_cv_exeext+set}" = set && test "$ac_cv_exeext" != no; + then :; else + ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + fi + # We set ac_cv_exeext here because the later test for it is not + # safe: cross compilers may not add the suffix if given an `-o' + # argument, so we may need to know it at that point already. + # Even if this section looks crufty: it has the advantage of + # actually working. + break;; + * ) + break;; + esac +done +test "$ac_cv_exeext" = no && ac_cv_exeext= + +else + ac_file='' +fi +if test -z "$ac_file"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +$as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "C compiler cannot create executables +See \`config.log' for more details" "$LINENO" 5; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5 +$as_echo_n "checking for C compiler default output file name... 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For instance with Cygwin, `ls conftest' will +# work properly (i.e., refer to `conftest.exe'), while it won't with +# `rm'. +for ac_file in conftest.exe conftest conftest.*; do + test -f "$ac_file" || continue + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; + *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` + break;; + * ) break;; + esac +done +else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of executables: cannot compile and link +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest conftest$ac_cv_exeext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5 +$as_echo "$ac_cv_exeext" >&6; } + +rm -f conftest.$ac_ext +EXEEXT=$ac_cv_exeext +ac_exeext=$EXEEXT +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +int +main () +{ +FILE *f = fopen ("conftest.out", "w"); + return ferror (f) || fclose (f) != 0; + + ; + return 0; +} +_ACEOF +ac_clean_files="$ac_clean_files conftest.out" +# Check that the compiler produces executables we can run. If not, either +# the compiler is broken, or we cross compile. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5 +$as_echo_n "checking whether we are cross compiling... " >&6; } +if test "$cross_compiling" != yes; then + { { ac_try="$ac_link" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_link") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } + if { ac_try='./conftest$ac_cv_exeext' + { { case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_try") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + cross_compiling=no + else + if test "$cross_compiling" = maybe; then + cross_compiling=yes + else + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run C compiled programs. +If you meant to cross compile, use \`--host'. +See \`config.log' for more details" "$LINENO" 5; } + fi + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5 +$as_echo "$cross_compiling" >&6; } + +rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out +ac_clean_files=$ac_clean_files_save +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5 +$as_echo_n "checking for suffix of object files... " >&6; } +if ${ac_cv_objext+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.o conftest.obj +if { { ac_try="$ac_compile" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_compile") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then : + for ac_file in conftest.o conftest.obj conftest.*; do + test -f "$ac_file" || continue; + case $ac_file in + *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM ) ;; + *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` + break;; + esac +done +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot compute suffix of object files: cannot compile +See \`config.log' for more details" "$LINENO" 5; } +fi +rm -f conftest.$ac_cv_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5 +$as_echo "$ac_cv_objext" >&6; } +OBJEXT=$ac_cv_objext +ac_objext=$OBJEXT +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5 +$as_echo_n "checking whether we are using the GNU C compiler... " >&6; } +if ${ac_cv_c_compiler_gnu+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +#ifndef __GNUC__ + choke me +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_compiler_gnu=yes +else + ac_compiler_gnu=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +ac_cv_c_compiler_gnu=$ac_compiler_gnu + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5 +$as_echo "$ac_cv_c_compiler_gnu" >&6; } +if test $ac_compiler_gnu = yes; then + GCC=yes +else + GCC= +fi +ac_test_CFLAGS=${CFLAGS+set} +ac_save_CFLAGS=$CFLAGS +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5 +$as_echo_n "checking whether $CC accepts -g... 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It's necessary to write '\x00'==0 to get something + that's true only with -std. */ +int osf4_cc_array ['\x00' == 0 ? 1 : -1]; + +/* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters + inside strings and character constants. */ +#define FOO(x) 'x' +int xlc6_cc_array[FOO(a) == 'x' ? 1 : -1]; + +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);}; +int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int); +int argc; +char **argv; +int +main () +{ +return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]; + ; + return 0; +} +_ACEOF +for ac_arg in '' -qlanglvl=extc89 -qlanglvl=ansi -std \ + -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c89=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c89" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c89" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c89" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5 +$as_echo "$ac_cv_prog_cc_c89" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c89" != xno; then : + +fi + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu + +ac_ext=c +ac_cpp='$CPP $CPPFLAGS' +ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' +ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' +ac_compiler_gnu=$ac_cv_c_compiler_gnu +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC understands -c and -o together" >&5 +$as_echo_n "checking whether $CC understands -c and -o together... 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"no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_GREP=$GREP +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 +$as_echo "$ac_cv_path_GREP" >&6; } + GREP="$ac_cv_path_GREP" + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 +$as_echo_n "checking for egrep... " >&6; } +if ${ac_cv_path_EGREP+:} false; then : + $as_echo_n "(cached) " >&6 +else + if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 + then ac_cv_path_EGREP="$GREP -E" + else + if test -z "$EGREP"; then + ac_path_EGREP_found=false + # Loop through the user's path and test for each of PROGNAME-LIST + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_prog in egrep; do + for ac_exec_ext in '' $ac_executable_extensions; do + ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext" + as_fn_executable_p "$ac_path_EGREP" || continue +# Check for GNU ac_path_EGREP and select it if it is found. + # Check for GNU $ac_path_EGREP +case `"$ac_path_EGREP" --version 2>&1` in +*GNU*) + ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; +*) + ac_count=0 + $as_echo_n 0123456789 >"conftest.in" + while : + do + cat "conftest.in" "conftest.in" >"conftest.tmp" + mv "conftest.tmp" "conftest.in" + cp "conftest.in" "conftest.nl" + $as_echo 'EGREP' >> "conftest.nl" + "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break + diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break + as_fn_arith $ac_count + 1 && ac_count=$as_val + if test $ac_count -gt ${ac_path_EGREP_max-0}; then + # Best one so far, save it but keep looking for a better one + ac_cv_path_EGREP="$ac_path_EGREP" + ac_path_EGREP_max=$ac_count + fi + # 10*(2^10) chars as input seems more than enough + test $ac_count -gt 10 && break + done + rm -f conftest.in conftest.tmp conftest.nl conftest.out;; +esac + + $ac_path_EGREP_found && break 3 + done + done + done +IFS=$as_save_IFS + if test -z "$ac_cv_path_EGREP"; then + as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 + fi +else + ac_cv_path_EGREP=$EGREP +fi + + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 +$as_echo "$ac_cv_path_EGREP" >&6; } + EGREP="$ac_cv_path_EGREP" + + + + ICC="no" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for icc in use" >&5 +$as_echo_n "checking for icc in use... " >&6; } + if test "$GCC" = "yes"; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +__INTEL_COMPILER +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "^__INTEL_COMPILER" >/dev/null 2>&1; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + ICC="yes" +fi +rm -f conftest* + + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + fi + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for clang in use" >&5 +$as_echo_n "checking for clang in use... " >&6; } + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + #ifndef __clang__ + not clang + #endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + CLANG=yes +else + CLANG=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $CLANG" >&5 +$as_echo "$CLANG" >&6; } + if test "$CLANG" = "yes"; then : + +fi + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ANSI C header files" >&5 +$as_echo_n "checking for ANSI C header files... " >&6; } +if ${ac_cv_header_stdc+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdc=yes +else + ac_cv_header_stdc=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +if test $ac_cv_header_stdc = yes; then + # SunOS 4.x string.h does not declare mem*, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "memchr" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include + +_ACEOF +if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | + $EGREP "free" >/dev/null 2>&1; then : + +else + ac_cv_header_stdc=no +fi +rm -f conftest* + +fi + +if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + if test "$cross_compiling" = yes; then : + : +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#if ((' ' & 0x0FF) == 0x020) +# define ISLOWER(c) ('a' <= (c) && (c) <= 'z') +# define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) +#else +# define ISLOWER(c) \ + (('a' <= (c) && (c) <= 'i') \ + || ('j' <= (c) && (c) <= 'r') \ + || ('s' <= (c) && (c) <= 'z')) +# define TOUPPER(c) (ISLOWER(c) ? ((c) | 0x40) : (c)) +#endif + +#define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +int +main () +{ + int i; + for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) + || toupper (i) != TOUPPER (i)) + return 2; + return 0; +} +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + +else + ac_cv_header_stdc=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdc" >&5 +$as_echo "$ac_cv_header_stdc" >&6; } +if test $ac_cv_header_stdc = yes; then + +$as_echo "#define STDC_HEADERS 1" >>confdefs.h + +fi + +# On IRIX 5.3, sys/types and inttypes.h are conflicting. +for ac_header in sys/types.h sys/stat.h stdlib.h string.h memory.h strings.h \ + inttypes.h stdint.h unistd.h +do : + as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh` +ac_fn_c_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default +" +if eval test \"x\$"$as_ac_Header"\" = x"yes"; then : + cat >>confdefs.h <<_ACEOF +#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1 +_ACEOF + +fi + +done + + + + ac_fn_c_check_decl "$LINENO" "__SUNPRO_C" "ac_cv_have_decl___SUNPRO_C" "$ac_includes_default" +if test "x$ac_cv_have_decl___SUNPRO_C" = xyes; then : + SUNCC="yes" +else + SUNCC="no" +fi + + if test "x$SUNCC" = "xyes"; then : + CFLAGS="-mt $CFLAGS" +fi + + +if test "$ICC" = "yes" -o "$GCC" = "yes"; then : + + if test "$CLANG" = "no"; then : + CFLAGS="$CFLAGS -pthread" +fi + +fi + +if test "$ICC" = "no"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C99" >&5 +$as_echo_n "checking for $CC option to accept ISO C99... " >&6; } +if ${ac_cv_prog_cc_c99+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_cv_prog_cc_c99=no +ac_save_CC=$CC +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +#include +#include + +// Check varargs macros. These examples are taken from C99 6.10.3.5. +#define debug(...) fprintf (stderr, __VA_ARGS__) +#define showlist(...) puts (#__VA_ARGS__) +#define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) +static void +test_varargs_macros (void) +{ + int x = 1234; + int y = 5678; + debug ("Flag"); + debug ("X = %d\n", x); + showlist (The first, second, and third items.); + report (x>y, "x is %d but y is %d", x, y); +} + +// Check long long types. +#define BIG64 18446744073709551615ull +#define BIG32 4294967295ul +#define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) +#if !BIG_OK + your preprocessor is broken; +#endif +#if BIG_OK +#else + your preprocessor is broken; +#endif +static long long int bignum = -9223372036854775807LL; +static unsigned long long int ubignum = BIG64; + +struct incomplete_array +{ + int datasize; + double data[]; +}; + +struct named_init { + int number; + const wchar_t *name; + double average; +}; + +typedef const char *ccp; + +static inline int +test_restrict (ccp restrict text) +{ + // See if C++-style comments work. + // Iterate through items via the restricted pointer. + // Also check for declarations in for loops. + for (unsigned int i = 0; *(text+i) != '\0'; ++i) + continue; + return 0; +} + +// Check varargs and va_copy. +static void +test_varargs (const char *format, ...) +{ + va_list args; + va_start (args, format); + va_list args_copy; + va_copy (args_copy, args); + + const char *str; + int number; + float fnumber; + + while (*format) + { + switch (*format++) + { + case 's': // string + str = va_arg (args_copy, const char *); + break; + case 'd': // int + number = va_arg (args_copy, int); + break; + case 'f': // float + fnumber = va_arg (args_copy, double); + break; + default: + break; + } + } + va_end (args_copy); + va_end (args); +} + +int +main () +{ + + // Check bool. + _Bool success = false; + + // Check restrict. + if (test_restrict ("String literal") == 0) + success = true; + char *restrict newvar = "Another string"; + + // Check varargs. + test_varargs ("s, d' f .", "string", 65, 34.234); + test_varargs_macros (); + + // Check flexible array members. + struct incomplete_array *ia = + malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); + ia->datasize = 10; + for (int i = 0; i < ia->datasize; ++i) + ia->data[i] = i * 1.234; + + // Check named initializers. + struct named_init ni = { + .number = 34, + .name = L"Test wide string", + .average = 543.34343, + }; + + ni.number = 58; + + int dynamic_array[ni.number]; + dynamic_array[ni.number - 1] = 543; + + // work around unused variable warnings + return (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == 'x' + || dynamic_array[ni.number - 1] != 543); + + ; + return 0; +} +_ACEOF +for ac_arg in '' -std=gnu99 -c99 -qlanglvl=extc99 +do + CC="$ac_save_CC $ac_arg" + if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_prog_cc_c99=$ac_arg +fi +rm -f core conftest.err conftest.$ac_objext + test "x$ac_cv_prog_cc_c99" != "xno" && break +done +rm -f conftest.$ac_ext +CC=$ac_save_CC + +fi +# AC_CACHE_VAL +case "x$ac_cv_prog_cc_c99" in + x) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: none needed" >&5 +$as_echo "none needed" >&6; } ;; + xno) + { $as_echo "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5 +$as_echo "unsupported" >&6; } ;; + *) + CC="$CC $ac_cv_prog_cc_c99" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5 +$as_echo "$ac_cv_prog_cc_c99" >&6; } ;; +esac +if test "x$ac_cv_prog_cc_c99" != xno; then : + +fi + +fi + + + + +# Check whether --enable-extstore was given. +if test "${enable_extstore+set}" = set; then : + enableval=$enable_extstore; +fi + + +# Check whether --enable-pslab was given. +if test "${enable_pslab+set}" = set; then : + enableval=$enable_pslab; +fi + + +# Check whether --enable-seccomp was given. +if test "${enable_seccomp+set}" = set; then : + enableval=$enable_seccomp; +fi + + +# Check whether --enable-sasl was given. +if test "${enable_sasl+set}" = set; then : + enableval=$enable_sasl; +fi + + +# Check whether --enable-sasl_pwdb was given. +if test "${enable_sasl_pwdb+set}" = set; then : + enableval=$enable_sasl_pwdb; +fi + + +if test "x$enable_sasl_pwdb" = "xyes"; then : + enable_sasl=yes +fi + + + + + +for ac_header in sasl/sasl.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "sasl/sasl.h" "ac_cv_header_sasl_sasl_h" "$ac_includes_default" +if test "x$ac_cv_header_sasl_sasl_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SASL_SASL_H 1 +_ACEOF + +fi + +done + +if test "x$enable_sasl" = "xyes"; then + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for SASL_CB_GETCONF" >&5 +$as_echo_n "checking for SASL_CB_GETCONF... " >&6; } +if ${ac_cv_c_sasl_cb_getconf+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include + +int +main () +{ + +unsigned long val = SASL_CB_GETCONF; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_sasl_cb_getconf=yes +else + ac_cv_c_sasl_cb_getconf=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_sasl_cb_getconf" >&5 +$as_echo "$ac_cv_c_sasl_cb_getconf" >&6; } + if test "$ac_cv_c_sasl_cb_getconf" = "yes"; then : + +$as_echo "#define HAVE_SASL_CB_GETCONF 1" >>confdefs.h + +fi + + +$as_echo "#define ENABLE_SASL 1" >>confdefs.h + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing sasl_server_init" >&5 +$as_echo_n "checking for library containing sasl_server_init... " >&6; } +if ${ac_cv_search_sasl_server_init+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char sasl_server_init (); +int +main () +{ +return sasl_server_init (); + ; + return 0; +} +_ACEOF +for ac_lib in '' sasl2 sasl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_sasl_server_init=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_sasl_server_init+:} false; then : + break +fi +done +if ${ac_cv_search_sasl_server_init+:} false; then : + +else + ac_cv_search_sasl_server_init=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_sasl_server_init" >&5 +$as_echo "$ac_cv_search_sasl_server_init" >&6; } +ac_res=$ac_cv_search_sasl_server_init +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + + as_fn_error $? "Failed to locate the library containing sasl_server_init" "$LINENO" 5 + +fi + + + if test "x$enable_sasl_pwdb" = "xyes"; then : + +$as_echo "#define ENABLE_SASL_PWDB 1" >>confdefs.h + +fi +fi + +# Check whether --enable-dtrace was given. +if test "${enable_dtrace+set}" = set; then : + enableval=$enable_dtrace; +fi + +if test "x$enable_dtrace" = "xyes"; then + # Extract the first word of "dtrace", so it can be a program name with args. +set dummy dtrace; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_DTRACE+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $DTRACE in + [\\/]* | ?:[\\/]*) + ac_cv_path_DTRACE="$DTRACE" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +as_dummy="/usr/sbin:$PATH" +for as_dir in $as_dummy +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_DTRACE="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_DTRACE" && ac_cv_path_DTRACE=""no"" + ;; +esac +fi +DTRACE=$ac_cv_path_DTRACE +if test -n "$DTRACE"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $DTRACE" >&5 +$as_echo "$DTRACE" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$DTRACE" != "xno"; then + +$as_echo "#define ENABLE_DTRACE 1" >>confdefs.h + + build_dtrace=yes + # DTrace on MacOSX does not use -G option + $DTRACE -G -o conftest.$$ -s memcached_dtrace.d 2>/dev/zero + if test $? -eq 0 + then + dtrace_instrument_obj=yes + rm conftest.$$ + fi + + if test "`which tr`" = "/usr/ucb/tr"; then + as_fn_error $? "Please remove /usr/ucb from your path. See man standards for more info" "$LINENO" 5 + fi + else + as_fn_error $? "Need dtrace binary and OS support." "$LINENO" 5 + fi +fi + +if test "x$enable_extstore" = "xyes"; then + +$as_echo "#define EXTSTORE 1" >>confdefs.h + +fi + +if test "x$enable_pslab" = "xyes"; then + +$as_echo "#define PSLAB 1" >>confdefs.h + +fi + + if test "$build_dtrace" = "yes"; then + BUILD_DTRACE_TRUE= + BUILD_DTRACE_FALSE='#' +else + BUILD_DTRACE_TRUE='#' + BUILD_DTRACE_FALSE= +fi + + if test "$dtrace_instrument_obj" = "yes"; then + DTRACE_INSTRUMENT_OBJ_TRUE= + DTRACE_INSTRUMENT_OBJ_FALSE='#' +else + DTRACE_INSTRUMENT_OBJ_TRUE='#' + DTRACE_INSTRUMENT_OBJ_FALSE= +fi + + if test "$enable_sasl" = "yes"; then + ENABLE_SASL_TRUE= + ENABLE_SASL_FALSE='#' +else + ENABLE_SASL_TRUE='#' + ENABLE_SASL_FALSE= +fi + + if test "$enable_extstore" = "yes"; then + ENABLE_EXTSTORE_TRUE= + ENABLE_EXTSTORE_FALSE='#' +else + ENABLE_EXTSTORE_TRUE='#' + ENABLE_EXTSTORE_FALSE= +fi + + if test "$enable_pslab" = "yes"; then + ENABLE_PSLAB_TRUE= + ENABLE_PSLAB_FALSE='#' +else + ENABLE_PSLAB_TRUE='#' + ENABLE_PSLAB_FALSE= +fi + + + + + + + +# Check whether --enable-coverage was given. +if test "${enable_coverage+set}" = set; then : + enableval=$enable_coverage; +fi + + +if test "x$enable_coverage" != "xno"; then + if test "$GCC" = "yes" -a "$ICC" != "yes" -a "$CLANG" != "yes" + then + CFLAGS="$CFLAGS -pthread" + # Extract the first word of "gcov", so it can be a program name with args. +set dummy gcov; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PROFILER+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PROFILER in + [\\/]* | ?:[\\/]*) + ac_cv_path_PROFILER="$PROFILER" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PROFILER="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_PROFILER" && ac_cv_path_PROFILER=""no"" + ;; +esac +fi +PROFILER=$ac_cv_path_PROFILER +if test -n "$PROFILER"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROFILER" >&5 +$as_echo "$PROFILER" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$PROFILER" != "xno"; then + # Issue 97: The existence of gcov doesn't mean we have -lgcov + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for main in -lgcov" >&5 +$as_echo_n "checking for main in -lgcov... " >&6; } +if ${ac_cv_lib_gcov_main+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lgcov $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + +int +main () +{ +return main (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_gcov_main=yes +else + ac_cv_lib_gcov_main=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gcov_main" >&5 +$as_echo "$ac_cv_lib_gcov_main" >&6; } +if test "x$ac_cv_lib_gcov_main" = xyes; then : + + PROFILER_FLAGS="-fprofile-arcs -ftest-coverage" + PROFILER_LDFLAGS="-lgcov" + +else + + PROFILER_FLAGS= + PROFILER_LDFLAGS= + +fi + + fi + elif test "$SUNCC" = "yes" + then + # Extract the first word of "tcov", so it can be a program name with args. +set dummy tcov; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PROFILER+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PROFILER in + [\\/]* | ?:[\\/]*) + ac_cv_path_PROFILER="$PROFILER" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PROFILER="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_PROFILER" && ac_cv_path_PROFILER=""no"" + ;; +esac +fi +PROFILER=$ac_cv_path_PROFILER +if test -n "$PROFILER"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROFILER" >&5 +$as_echo "$PROFILER" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$PROFILER" != "xno"; then + PROFILER_FLAGS=-xprofile=tcov + fi + elif test "x$CLANG" != "xno" + then + # Extract the first word of "gcov", so it can be a program name with args. +set dummy gcov; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PROFILER+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PROFILER in + [\\/]* | ?:[\\/]*) + ac_cv_path_PROFILER="$PROFILER" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PROFILER="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_PROFILER" && ac_cv_path_PROFILER=""no"" + ;; +esac +fi +PROFILER=$ac_cv_path_PROFILER +if test -n "$PROFILER"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PROFILER" >&5 +$as_echo "$PROFILER" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + if test "x$PROFILER" != "xno" + then + PROFILER_FLAGS="-fprofile-arcs -ftest-coverage" + PROFILER_LDFLAGS= + fi + fi +fi + + + +# Check whether --enable-64bit was given. +if test "${enable_64bit+set}" = set; then : + enableval=$enable_64bit; +fi + +if test "x$enable_64bit" = "xyes" +then + org_cflags=$CFLAGS + CFLAGS=-m64 + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ +return sizeof(void*) == 8 ? 0 : 1; + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + CFLAGS="-m64 $org_cflags" + +else + + as_fn_error $? "Don't know how to build a 64-bit object." "$LINENO" 5 + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + +fi + +# Issue 213: Search for clock_gettime to help people linking +# with a static version of libevent +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing clock_gettime" >&5 +$as_echo_n "checking for library containing clock_gettime... " >&6; } +if ${ac_cv_search_clock_gettime+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char clock_gettime (); +int +main () +{ +return clock_gettime (); + ; + return 0; +} +_ACEOF +for ac_lib in '' rt; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_clock_gettime=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_clock_gettime+:} false; then : + break +fi +done +if ${ac_cv_search_clock_gettime+:} false; then : + +else + ac_cv_search_clock_gettime=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_clock_gettime" >&5 +$as_echo "$ac_cv_search_clock_gettime" >&6; } +ac_res=$ac_cv_search_clock_gettime +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +# Issue 214: Search for the network libraries _before_ searching +# for libevent (to help people linking with static libevent) +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing socket" >&5 +$as_echo_n "checking for library containing socket... " >&6; } +if ${ac_cv_search_socket+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char socket (); +int +main () +{ +return socket (); + ; + return 0; +} +_ACEOF +for ac_lib in '' socket; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_socket=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_socket+:} false; then : + break +fi +done +if ${ac_cv_search_socket+:} false; then : + +else + ac_cv_search_socket=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_socket" >&5 +$as_echo "$ac_cv_search_socket" >&6; } +ac_res=$ac_cv_search_socket +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethostbyname" >&5 +$as_echo_n "checking for library containing gethostbyname... " >&6; } +if ${ac_cv_search_gethostbyname+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char gethostbyname (); +int +main () +{ +return gethostbyname (); + ; + return 0; +} +_ACEOF +for ac_lib in '' nsl; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_gethostbyname=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_gethostbyname+:} false; then : + break +fi +done +if ${ac_cv_search_gethostbyname+:} false; then : + +else + ac_cv_search_gethostbyname=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethostbyname" >&5 +$as_echo "$ac_cv_search_gethostbyname" >&6; } +ac_res=$ac_cv_search_gethostbyname +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + +trylibeventdir="" + +# Check whether --with-libevent was given. +if test "${with_libevent+set}" = set; then : + withval=$with_libevent; + if test "x$withval" != "xno" ; then + trylibeventdir=$withval + fi + + +fi + + + +LIBEVENT_URL=http://www.monkey.org/~provos/libevent/ + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libevent directory" >&5 +$as_echo_n "checking for libevent directory... " >&6; } +if ${ac_cv_libevent_dir+:} false; then : + $as_echo_n "(cached) " >&6 +else + + saved_LIBS="$LIBS" + saved_LDFLAGS="$LDFLAGS" + saved_CPPFLAGS="$CPPFLAGS" + le_found=no + for ledir in $trylibeventdir "" $prefix /usr/local ; do + LDFLAGS="$saved_LDFLAGS" + LIBS="-levent $saved_LIBS" + + # Skip the directory if it isn't there. + if test ! -z "$ledir" -a ! -d "$ledir" ; then + continue; + fi + if test ! -z "$ledir" ; then + if test -d "$ledir/lib" ; then + LDFLAGS="-L$ledir/lib $LDFLAGS" + else + LDFLAGS="-L$ledir $LDFLAGS" + fi + if test -d "$ledir/include" ; then + CPPFLAGS="-I$ledir/include $CPPFLAGS" + else + CPPFLAGS="-I$ledir $CPPFLAGS" + fi + fi + # Can I compile and link it? + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#include +#include +#include +int +main () +{ + event_init(); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + libevent_linked=yes +else + libevent_linked=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + if test $libevent_linked = yes; then + if test ! -z "$ledir" ; then + ac_cv_libevent_dir=$ledir + _myos=`echo $target_os | cut -f 1 -d .` + if test "$SUNCC" = "yes" -o "x$_myos" = "xsolaris2"; then : + saved_LDFLAGS="$saved_LDFLAGS -Wl,-R$ledir/lib" +else + if test "$GCC" = "yes"; then : + saved_LDFLAGS="$saved_LDFLAGS -Wl,-rpath,$ledir/lib" +fi +fi + else + ac_cv_libevent_dir="(system)" + fi + le_found=yes + break + fi + done + LIBS="$saved_LIBS" + LDFLAGS="$saved_LDFLAGS" + CPPFLAGS="$saved_CPPFLAGS" + if test $le_found = no ; then + as_fn_error $? "libevent is required. You can get it from $LIBEVENT_URL + + If it's already installed, specify its path using --with-libevent=/dir/ +" "$LINENO" 5 + fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_libevent_dir" >&5 +$as_echo "$ac_cv_libevent_dir" >&6; } +LIBS="-levent $LIBS" +if test $ac_cv_libevent_dir != "(system)"; then + if test -d "$ac_cv_libevent_dir/lib" ; then + LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS" + le_libdir="$ac_cv_libevent_dir/lib" + else + LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS" + le_libdir="$ac_cv_libevent_dir" + fi + if test -d "$ac_cv_libevent_dir/include" ; then + CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS" + else + CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS" + fi +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing umem_cache_create" >&5 +$as_echo_n "checking for library containing umem_cache_create... " >&6; } +if ${ac_cv_search_umem_cache_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char umem_cache_create (); +int +main () +{ +return umem_cache_create (); + ; + return 0; +} +_ACEOF +for ac_lib in '' umem; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_umem_cache_create=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_umem_cache_create+:} false; then : + break +fi +done +if ${ac_cv_search_umem_cache_create+:} false; then : + +else + ac_cv_search_umem_cache_create=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_umem_cache_create" >&5 +$as_echo "$ac_cv_search_umem_cache_create" >&6; } +ac_res=$ac_cv_search_umem_cache_create +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing gethugepagesizes" >&5 +$as_echo_n "checking for library containing gethugepagesizes... " >&6; } +if ${ac_cv_search_gethugepagesizes+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char gethugepagesizes (); +int +main () +{ +return gethugepagesizes (); + ; + return 0; +} +_ACEOF +for ac_lib in '' hugetlbfs; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_gethugepagesizes=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_gethugepagesizes+:} false; then : + break +fi +done +if ${ac_cv_search_gethugepagesizes+:} false; then : + +else + ac_cv_search_gethugepagesizes=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_gethugepagesizes" >&5 +$as_echo "$ac_cv_search_gethugepagesizes" >&6; } +ac_res=$ac_cv_search_gethugepagesizes +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5 +$as_echo_n "checking for stdbool.h that conforms to C99... " >&6; } +if ${ac_cv_header_stdbool_h+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + #ifndef bool + "error: bool is not defined" + #endif + #ifndef false + "error: false is not defined" + #endif + #if false + "error: false is not 0" + #endif + #ifndef true + "error: true is not defined" + #endif + #if true != 1 + "error: true is not 1" + #endif + #ifndef __bool_true_false_are_defined + "error: __bool_true_false_are_defined is not defined" + #endif + + struct s { _Bool s: 1; _Bool t; } s; + + char a[true == 1 ? 1 : -1]; + char b[false == 0 ? 1 : -1]; + char c[__bool_true_false_are_defined == 1 ? 1 : -1]; + char d[(bool) 0.5 == true ? 1 : -1]; + /* See body of main program for 'e'. */ + char f[(_Bool) 0.0 == false ? 1 : -1]; + char g[true]; + char h[sizeof (_Bool)]; + char i[sizeof s.t]; + enum { j = false, k = true, l = false * true, m = true * 256 }; + /* The following fails for + HP aC++/ANSI C B3910B A.05.55 [Dec 04 2003]. */ + _Bool n[m]; + char o[sizeof n == m * sizeof n[0] ? 1 : -1]; + char p[-1 - (_Bool) 0 < 0 && -1 - (bool) 0 < 0 ? 1 : -1]; + /* Catch a bug in an HP-UX C compiler. See + http://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html + http://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html + */ + _Bool q = true; + _Bool *pq = &q; + +int +main () +{ + + bool e = &s; + *pq |= q; + *pq |= ! q; + /* Refer to every declared value, to avoid compiler optimizations. */ + return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !!j + !k + !!l + + !m + !n + !o + !p + !q + !pq); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_header_stdbool_h=yes +else + ac_cv_header_stdbool_h=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdbool_h" >&5 +$as_echo "$ac_cv_header_stdbool_h" >&6; } + ac_fn_c_check_type "$LINENO" "_Bool" "ac_cv_type__Bool" "$ac_includes_default" +if test "x$ac_cv_type__Bool" = xyes; then : + +cat >>confdefs.h <<_ACEOF +#define HAVE__BOOL 1 +_ACEOF + + +fi + + +if test $ac_cv_header_stdbool_h = yes; then + +$as_echo "#define HAVE_STDBOOL_H 1" >>confdefs.h + +fi + + + +for ac_header in inttypes.h +do : + ac_fn_c_check_header_mongrel "$LINENO" "inttypes.h" "ac_cv_header_inttypes_h" "$ac_includes_default" +if test "x$ac_cv_header_inttypes_h" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_INTTYPES_H 1 +_ACEOF + +fi + +done + + + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sasl_callback_ft" >&5 +$as_echo_n "checking for sasl_callback_ft... " >&6; } +if ${ac_cv_has_sasl_callback_ft+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #ifdef HAVE_SASL_SASL_H + #include + #include + #endif + +int +main () +{ + + sasl_callback_ft a_callback; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + ac_cv_has_sasl_callback_ft=yes + +else + + ac_cv_has_sasl_callback_ft=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_has_sasl_callback_ft" >&5 +$as_echo "$ac_cv_has_sasl_callback_ft" >&6; } +if test $ac_cv_has_sasl_callback_ft = yes; then + +$as_echo "#define HAVE_SASL_CALLBACK_FT 1" >>confdefs.h + +fi + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for print macros for integers (C99 section 7.8.1)" >&5 +$as_echo_n "checking for print macros for integers (C99 section 7.8.1)... " >&6; } +if ${ac_cv_c_uint64_support+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#ifdef HAVE_INTTYPES_H +#include +#endif +#include + +int +main () +{ + + uint64_t val = 0; + fprintf(stderr, "%" PRIu64 "\n", val); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_uint64_support=yes +else + ac_cv_c_uint64_support=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_uint64_support" >&5 +$as_echo "$ac_cv_c_uint64_support" >&6; } + +if test "x$ac_cv_c_uint64_support" = "xno"; then : + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: + +Failed to use print macros (PRIu) as defined in C99 section 7.8.1. + +" >&5 +$as_echo "$as_me: WARNING: + +Failed to use print macros (PRIu) as defined in C99 section 7.8.1. + +" >&2;} +fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 +$as_echo_n "checking for an ANSI C-conforming const... " >&6; } +if ${ac_cv_c_const+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +#ifndef __cplusplus + /* Ultrix mips cc rejects this sort of thing. */ + typedef int charset[2]; + const charset cs = { 0, 0 }; + /* SunOS 4.1.1 cc rejects this. */ + char const *const *pcpcc; + char **ppc; + /* NEC SVR4.0.2 mips cc rejects this. */ + struct point {int x, y;}; + static struct point const zero = {0,0}; + /* AIX XL C 1.02.0.0 rejects this. + It does not let you subtract one const X* pointer from another in + an arm of an if-expression whose if-part is not a constant + expression */ + const char *g = "string"; + pcpcc = &g + (g ? g-g : 0); + /* HPUX 7.0 cc rejects these. */ + ++pcpcc; + ppc = (char**) pcpcc; + pcpcc = (char const *const *) ppc; + { /* SCO 3.2v4 cc rejects this sort of thing. */ + char tx; + char *t = &tx; + char const *s = 0 ? (char *) 0 : (char const *) 0; + + *t++ = 0; + if (s) return 0; + } + { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ + int x[] = {25, 17}; + const int *foo = &x[0]; + ++foo; + } + { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ + typedef const int *iptr; + iptr p = 0; + ++p; + } + { /* AIX XL C 1.02.0.0 rejects this sort of thing, saying + "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ + struct s { int j; const int *ap[3]; } bx; + struct s *b = &bx; b->j = 5; + } + { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ + const int foo = 10; + if (!foo) return 0; + } + return !cs[0] && !zero.x; +#endif + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + ac_cv_c_const=yes +else + ac_cv_c_const=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5 +$as_echo "$ac_cv_c_const" >&6; } +if test $ac_cv_c_const = no; then + +$as_echo "#define const /**/" >>confdefs.h + +fi + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for socklen_t" >&5 +$as_echo_n "checking for socklen_t... " >&6; } +if ${ac_cv_c_socklen_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + + #include + #include + +int +main () +{ + + socklen_t foo; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + + ac_cv_c_socklen_t=yes + +else + + ac_cv_c_socklen_t=no + +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_socklen_t" >&5 +$as_echo "$ac_cv_c_socklen_t" >&6; } +if test $ac_cv_c_socklen_t = no; then + +$as_echo "#define socklen_t int" >>confdefs.h + +fi + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for endianness" >&5 +$as_echo_n "checking for endianness... " >&6; } +if ${ac_cv_c_endian+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test "$cross_compiling" = yes; then : + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error $? "cannot run test program while cross compiling +See \`config.log' for more details" "$LINENO" 5; } +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + long val = 1; + char *c = (char *) &val; + exit(*c == 1); + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + ac_cv_c_endian=big + +else + + ac_cv_c_endian=little + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_endian" >&5 +$as_echo "$ac_cv_c_endian" >&6; } +if test $ac_cv_c_endian = big; then + +$as_echo "#define ENDIAN_BIG 1" >>confdefs.h + +fi +if test $ac_cv_c_endian = little; then + +$as_echo "#define ENDIAN_LITTLE 1" >>confdefs.h + +fi + + + + + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for htonll" >&5 +$as_echo_n "checking for htonll... " >&6; } + have_htoll="no" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include +#ifdef HAVE_INTTYPES_H +#include */ +#endif + +int +main () +{ + + return htonll(0); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + + have_htoll="yes" + +$as_echo "#define HAVE_HTONLL 1" >>confdefs.h + + +else + + have_htoll="no" + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_htoll" >&5 +$as_echo "$have_htoll" >&6; } + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing pthread_create" >&5 +$as_echo_n "checking for library containing pthread_create... " >&6; } +if ${ac_cv_search_pthread_create+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char pthread_create (); +int +main () +{ +return pthread_create (); + ; + return 0; +} +_ACEOF +for ac_lib in '' pthread; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_pthread_create=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_pthread_create+:} false; then : + break +fi +done +if ${ac_cv_search_pthread_create+:} false; then : + +else + ac_cv_search_pthread_create=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_pthread_create" >&5 +$as_echo "$ac_cv_search_pthread_create" >&6; } +ac_res=$ac_cv_search_pthread_create +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +fi + +if test "x$ac_cv_search_pthread_create" = "xno"; then + as_fn_error $? "Can't enable threads without the POSIX thread library." "$LINENO" 5 +fi + +for ac_func in mlockall +do : + ac_fn_c_check_func "$LINENO" "mlockall" "ac_cv_func_mlockall" +if test "x$ac_cv_func_mlockall" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_MLOCKALL 1 +_ACEOF + +fi +done + +for ac_func in getpagesizes +do : + ac_fn_c_check_func "$LINENO" "getpagesizes" "ac_cv_func_getpagesizes" +if test "x$ac_cv_func_getpagesizes" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_GETPAGESIZES 1 +_ACEOF + +fi +done + +for ac_func in memcntl +do : + ac_fn_c_check_func "$LINENO" "memcntl" "ac_cv_func_memcntl" +if test "x$ac_cv_func_memcntl" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_MEMCNTL 1 +_ACEOF + +fi +done + +for ac_func in sigignore +do : + ac_fn_c_check_func "$LINENO" "sigignore" "ac_cv_func_sigignore" +if test "x$ac_cv_func_sigignore" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SIGIGNORE 1 +_ACEOF + +fi +done + +for ac_func in clock_gettime +do : + ac_fn_c_check_func "$LINENO" "clock_gettime" "ac_cv_func_clock_gettime" +if test "x$ac_cv_func_clock_gettime" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_CLOCK_GETTIME 1 +_ACEOF + +fi +done + +for ac_func in accept4 +do : + ac_fn_c_check_func "$LINENO" "accept4" "ac_cv_func_accept4" +if test "x$ac_cv_func_accept4" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_ACCEPT4 1 +_ACEOF + +$as_echo "#define HAVE_ACCEPT4 1" >>confdefs.h + +fi +done + +for ac_func in getopt_long +do : + ac_fn_c_check_func "$LINENO" "getopt_long" "ac_cv_func_getopt_long" +if test "x$ac_cv_func_getopt_long" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_GETOPT_LONG 1 +_ACEOF + +$as_echo "#define HAVE_GETOPT_LONG 1" >>confdefs.h + +fi +done + + + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for alignment" >&5 +$as_echo_n "checking for alignment... " >&6; } +if ${ac_cv_c_alignment+:} false; then : + $as_echo_n "(cached) " >&6 +else + + if test "$cross_compiling" = yes; then : + + ac_cv_c_alignment=need + +else + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include +#include + +int +main () +{ + + char *buf = malloc(32); + + uint64_t *ptr = (uint64_t*)(buf+2); + // catch sigbus, etc. + *ptr = 0x1; + + // catch unaligned word access (ARM cpus) +#ifdef ENDIAN_BIG +#define ALIGNMENT 0x02030405 +#else +#define ALIGNMENT 0x05040302 +#endif + *(buf + 0) = 1; + *(buf + 1) = 2; + *(buf + 2) = 3; + *(buf + 3) = 4; + *(buf + 4) = 5; + int* i = (int*)(buf+1); + return (ALIGNMENT == *i) ? 0 : 1; + + ; + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO"; then : + + ac_cv_c_alignment=none + +else + + ac_cv_c_alignment=need + +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_alignment" >&5 +$as_echo "$ac_cv_c_alignment" >&6; } +if test $ac_cv_c_alignment = need; then + +$as_echo "#define NEED_ALIGN 1" >>confdefs.h + +fi + + +have_gcc_atomics=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GCC atomics" >&5 +$as_echo_n "checking for GCC atomics... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + unsigned short a; + unsigned short b; + b = __sync_add_and_fetch(&a, 1); + b = __sync_sub_and_fetch(&a, 2); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + have_gcc_atomics=yes + +$as_echo "#define HAVE_GCC_ATOMICS 1" >>confdefs.h + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_gcc_atomics" >&5 +$as_echo "$have_gcc_atomics" >&6; } + +have_gcc_64atomics=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GCC 64bit atomics" >&5 +$as_echo_n "checking for GCC 64bit atomics... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + uint64_t a; + uint64_t b; + b = __sync_add_and_fetch(&a, 1); + b = __sync_sub_and_fetch(&a, 2); + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + have_gcc_64atomics=yes + +$as_echo "#define HAVE_GCC_64ATOMICS 1" >>confdefs.h + +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_gcc_64atomics" >&5 +$as_echo "$have_gcc_64atomics" >&6; } + +for ac_func in setppriv +do : + ac_fn_c_check_func "$LINENO" "setppriv" "ac_cv_func_setppriv" +if test "x$ac_cv_func_setppriv" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_SETPPRIV 1 +_ACEOF + + ac_fn_c_check_header_mongrel "$LINENO" "priv.h" "ac_cv_header_priv_h" "$ac_includes_default" +if test "x$ac_cv_header_priv_h" = xyes; then : + + +$as_echo "#define HAVE_DROP_PRIVILEGES 1" >>confdefs.h + + build_solaris_privs=yes + +fi + + + +fi +done + + +if test "x$enable_seccomp" = "xyes" ; then : + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for seccomp_rule_add in -lseccomp" >&5 +$as_echo_n "checking for seccomp_rule_add in -lseccomp... " >&6; } +if ${ac_cv_lib_seccomp_seccomp_rule_add+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_check_lib_save_LIBS=$LIBS +LIBS="-lseccomp $LIBS" +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char seccomp_rule_add (); +int +main () +{ +return seccomp_rule_add (); + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + ac_cv_lib_seccomp_seccomp_rule_add=yes +else + ac_cv_lib_seccomp_seccomp_rule_add=no +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext +LIBS=$ac_check_lib_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_seccomp_seccomp_rule_add" >&5 +$as_echo "$ac_cv_lib_seccomp_seccomp_rule_add" >&6; } +if test "x$ac_cv_lib_seccomp_seccomp_rule_add" = xyes; then : + + +$as_echo "#define HAVE_DROP_PRIVILEGES 1" >>confdefs.h + + build_linux_privs=yes + +$as_echo "#define HAVE_DROP_WORKER_PRIVILEGES 1" >>confdefs.h + + build_linux_privs=yes + +fi + + +fi + +for ac_func in pledge +do : + ac_fn_c_check_func "$LINENO" "pledge" "ac_cv_func_pledge" +if test "x$ac_cv_func_pledge" = xyes; then : + cat >>confdefs.h <<_ACEOF +#define HAVE_PLEDGE 1 +_ACEOF + + ac_fn_c_check_header_mongrel "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default" +if test "x$ac_cv_header_unistd_h" = xyes; then : + + +$as_echo "#define HAVE_DROP_PRIVILEGES 1" >>confdefs.h + + build_openbsd_privs=yes + +fi + + + +fi +done + + + if test "$build_solaris_privs" = "yes"; then + BUILD_SOLARIS_PRIVS_TRUE= + BUILD_SOLARIS_PRIVS_FALSE='#' +else + BUILD_SOLARIS_PRIVS_TRUE='#' + BUILD_SOLARIS_PRIVS_FALSE= +fi + + if test "$build_linux_privs" = "yes"; then + BUILD_LINUX_PRIVS_TRUE= + BUILD_LINUX_PRIVS_FALSE='#' +else + BUILD_LINUX_PRIVS_TRUE='#' + BUILD_LINUX_PRIVS_FALSE= +fi + + if test "$build_openbsd_privs" = "yes"; then + BUILD_OPENBSD_PRIVS_TRUE= + BUILD_OPENBSD_PRIVS_FALSE='#' +else + BUILD_OPENBSD_PRIVS_TRUE='#' + BUILD_OPENBSD_PRIVS_FALSE= +fi + + +ac_fn_c_check_header_mongrel "$LINENO" "umem.h" "ac_cv_header_umem_h" "$ac_includes_default" +if test "x$ac_cv_header_umem_h" = xyes; then : + + +$as_echo "#define HAVE_UMEM_H 1" >>confdefs.h + + build_cache=no + +else + build_cache=yes +fi + + + + if test "x$build_cache" = "xyes"; then + BUILD_CACHE_TRUE= + BUILD_CACHE_FALSE='#' +else + BUILD_CACHE_TRUE='#' + BUILD_CACHE_FALSE= +fi + + +# Check whether --enable-docs was given. +if test "${enable_docs+set}" = set; then : + enableval=$enable_docs; +fi + + +# Extract the first word of "xml2rfc", so it can be a program name with args. +set dummy xml2rfc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XML2RFC+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XML2RFC in + [\\/]* | ?:[\\/]*) + ac_cv_path_XML2RFC="$XML2RFC" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_XML2RFC="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_XML2RFC" && ac_cv_path_XML2RFC=""no"" + ;; +esac +fi +XML2RFC=$ac_cv_path_XML2RFC +if test -n "$XML2RFC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XML2RFC" >&5 +$as_echo "$XML2RFC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +# Extract the first word of "xsltproc", so it can be a program name with args. +set dummy xsltproc; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_XSLTPROC+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $XSLTPROC in + [\\/]* | ?:[\\/]*) + ac_cv_path_XSLTPROC="$XSLTPROC" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_XSLTPROC="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + test -z "$ac_cv_path_XSLTPROC" && ac_cv_path_XSLTPROC=""no"" + ;; +esac +fi +XSLTPROC=$ac_cv_path_XSLTPROC +if test -n "$XSLTPROC"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $XSLTPROC" >&5 +$as_echo "$XSLTPROC" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + + if test "x$enable_docs" != "xno" -a "x$XML2RFC" != "xno" -a "x$XSLTPROC" != "xno"; then + BUILD_SPECIFICATIONS_TRUE= + BUILD_SPECIFICATIONS_FALSE='#' +else + BUILD_SPECIFICATIONS_TRUE='#' + BUILD_SPECIFICATIONS_FALSE= +fi + + + +if test "$ICC" = "yes" +then + CFLAGS="$CFLAGS -diag-disable 187 -Wall -Werror" + +$as_echo "#define _GNU_SOURCE 1" >>confdefs.h + +elif test "$GCC" = "yes" +then + GCC_VERSION=`$CC -dumpversion` + CFLAGS="$CFLAGS -Wall -Werror -pedantic -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls" + case $GCC_VERSION in + 4.4.*) + CFLAGS="$CFLAGS -fno-strict-aliasing" + ;; + esac + +$as_echo "#define _GNU_SOURCE 1" >>confdefs.h + +elif test "$SUNCC" = "yes" +then + CFLAGS="$CFLAGS -errfmt=error -errwarn -errshort=tags" +fi + +ac_config_files="$ac_config_files Makefile doc/Makefile" + +cat >confcache <<\_ACEOF +# This file is a shell script that caches the results of configure +# tests run on this system so they can be shared between configure +# scripts and configure runs, see configure's option --config-cache. +# It is not useful on other systems. If it contains results you don't +# want to keep, you may remove or edit it. +# +# config.status only pays attention to the cache file if you give it +# the --recheck option to rerun configure. +# +# `ac_cv_env_foo' variables (set or unset) will be overridden when +# loading this file, other *unset* `ac_cv_foo' will be assigned the +# following values. + +_ACEOF + +# The following way of writing the cache mishandles newlines in values, +# but we know of no workaround that is simple, portable, and efficient. +# So, we kill variables containing newlines. +# Ultrix sh set writes to stderr and can't be redirected directly, +# and sets the high bit in the cache file unless we assign to the vars. +( + for ac_var in `(set) 2>&1 | sed -n 's/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'`; do + eval ac_val=\$$ac_var + case $ac_val in #( + *${as_nl}*) + case $ac_var in #( + *_cv_*) { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 +$as_echo "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; + esac + case $ac_var in #( + _ | IFS | as_nl) ;; #( + BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( + *) { eval $ac_var=; unset $ac_var;} ;; + esac ;; + esac + done + + (set) 2>&1 | + case $as_nl`(ac_space=' '; set) 2>&1` in #( + *${as_nl}ac_space=\ *) + # `set' does not quote correctly, so add quotes: double-quote + # substitution turns \\\\ into \\, and sed turns \\ into \. + sed -n \ + "s/'/'\\\\''/g; + s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p" + ;; #( + *) + # `set' quotes correctly as required by POSIX, so do not add quotes. + sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" + ;; + esac | + sort +) | + sed ' + /^ac_cv_env_/b end + t clear + :clear + s/^\([^=]*\)=\(.*[{}].*\)$/test "${\1+set}" = set || &/ + t end + s/^\([^=]*\)=\(.*\)$/\1=${\1=\2}/ + :end' >>confcache +if diff "$cache_file" confcache >/dev/null 2>&1; then :; else + if test -w "$cache_file"; then + if test "x$cache_file" != "x/dev/null"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: updating cache $cache_file" >&5 +$as_echo "$as_me: updating cache $cache_file" >&6;} + if test ! -f "$cache_file" || test -h "$cache_file"; then + cat confcache >"$cache_file" + else + case $cache_file in #( + */* | ?:*) + mv -f confcache "$cache_file"$$ && + mv -f "$cache_file"$$ "$cache_file" ;; #( + *) + mv -f confcache "$cache_file" ;; + esac + fi + fi + else + { $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5 +$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;} + fi +fi +rm -f confcache + +test "x$prefix" = xNONE && prefix=$ac_default_prefix +# Let make expand exec_prefix. +test "x$exec_prefix" = xNONE && exec_prefix='${prefix}' + +DEFS=-DHAVE_CONFIG_H + +ac_libobjs= +ac_ltlibobjs= +for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue + # 1. Remove the extension, and $U if already installed. + ac_script='s/\$U\././;s/\.o$//;s/\.obj$//' + ac_i=`$as_echo "$ac_i" | sed "$ac_script"` + # 2. Prepend LIBOBJDIR. When used with automake>=1.10 LIBOBJDIR + # will be set to the directory where LIBOBJS objects are built. + as_fn_append ac_libobjs " \${LIBOBJDIR}$ac_i\$U.$ac_objext" + as_fn_append ac_ltlibobjs " \${LIBOBJDIR}$ac_i"'$U.lo' +done +LIBOBJS=$ac_libobjs + +LTLIBOBJS=$ac_ltlibobjs + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking that generated files are newer than configure" >&5 +$as_echo_n "checking that generated files are newer than configure... " >&6; } + if test -n "$am_sleep_pid"; then + # Hide warnings about reused PIDs. + wait $am_sleep_pid 2>/dev/null + fi + { $as_echo "$as_me:${as_lineno-$LINENO}: result: done" >&5 +$as_echo "done" >&6; } + if test -n "$EXEEXT"; then + am__EXEEXT_TRUE= + am__EXEEXT_FALSE='#' +else + am__EXEEXT_TRUE='#' + am__EXEEXT_FALSE= +fi + +if test -z "${AMDEP_TRUE}" && test -z "${AMDEP_FALSE}"; then + as_fn_error $? "conditional \"AMDEP\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${am__fastdepCC_TRUE}" && test -z "${am__fastdepCC_FALSE}"; then + as_fn_error $? "conditional \"am__fastdepCC\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_DTRACE_TRUE}" && test -z "${BUILD_DTRACE_FALSE}"; then + as_fn_error $? "conditional \"BUILD_DTRACE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${DTRACE_INSTRUMENT_OBJ_TRUE}" && test -z "${DTRACE_INSTRUMENT_OBJ_FALSE}"; then + as_fn_error $? "conditional \"DTRACE_INSTRUMENT_OBJ\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ENABLE_SASL_TRUE}" && test -z "${ENABLE_SASL_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_SASL\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ENABLE_EXTSTORE_TRUE}" && test -z "${ENABLE_EXTSTORE_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_EXTSTORE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${ENABLE_PSLAB_TRUE}" && test -z "${ENABLE_PSLAB_FALSE}"; then + as_fn_error $? "conditional \"ENABLE_PSLAB\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_SOLARIS_PRIVS_TRUE}" && test -z "${BUILD_SOLARIS_PRIVS_FALSE}"; then + as_fn_error $? "conditional \"BUILD_SOLARIS_PRIVS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_LINUX_PRIVS_TRUE}" && test -z "${BUILD_LINUX_PRIVS_FALSE}"; then + as_fn_error $? "conditional \"BUILD_LINUX_PRIVS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_OPENBSD_PRIVS_TRUE}" && test -z "${BUILD_OPENBSD_PRIVS_FALSE}"; then + as_fn_error $? "conditional \"BUILD_OPENBSD_PRIVS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_CACHE_TRUE}" && test -z "${BUILD_CACHE_FALSE}"; then + as_fn_error $? "conditional \"BUILD_CACHE\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi +if test -z "${BUILD_SPECIFICATIONS_TRUE}" && test -z "${BUILD_SPECIFICATIONS_FALSE}"; then + as_fn_error $? "conditional \"BUILD_SPECIFICATIONS\" was never defined. +Usually this means the macro was only invoked conditionally." "$LINENO" 5 +fi + +: "${CONFIG_STATUS=./config.status}" +ac_write_fail=0 +ac_clean_files_save=$ac_clean_files +ac_clean_files="$ac_clean_files $CONFIG_STATUS" +{ $as_echo "$as_me:${as_lineno-$LINENO}: creating $CONFIG_STATUS" >&5 +$as_echo "$as_me: creating $CONFIG_STATUS" >&6;} +as_write_fail=0 +cat >$CONFIG_STATUS <<_ASEOF || as_write_fail=1 +#! $SHELL +# Generated by $as_me. +# Run this file to recreate the current configuration. +# Compiler output produced by configure, useful for debugging +# configure, is in config.log if it exists. + +debug=false +ac_cs_recheck=false +ac_cs_silent=false + +SHELL=\${CONFIG_SHELL-$SHELL} +export SHELL +_ASEOF +cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1 +## -------------------- ## +## M4sh Initialization. ## +## -------------------- ## + +# Be more Bourne compatible +DUALCASE=1; export DUALCASE # for MKS sh +if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : + emulate sh + NULLCMD=: + # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which + # is contrary to our usage. Disable this feature. + alias -g '${1+"$@"}'='"$@"' + setopt NO_GLOB_SUBST +else + case `(set -o) 2>/dev/null` in #( + *posix*) : + set -o posix ;; #( + *) : + ;; +esac +fi + + +as_nl=' +' +export as_nl +# Printing a long string crashes Solaris 7 /usr/bin/printf. +as_echo='\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\' +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo +as_echo=$as_echo$as_echo$as_echo$as_echo$as_echo$as_echo +# Prefer a ksh shell builtin over an external printf program on Solaris, +# but without wasting forks for bash or zsh. +if test -z "$BASH_VERSION$ZSH_VERSION" \ + && (test "X`print -r -- $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='print -r --' + as_echo_n='print -rn --' +elif (test "X`printf %s $as_echo`" = "X$as_echo") 2>/dev/null; then + as_echo='printf %s\n' + as_echo_n='printf %s' +else + if test "X`(/usr/ucb/echo -n -n $as_echo) 2>/dev/null`" = "X-n $as_echo"; then + as_echo_body='eval /usr/ucb/echo -n "$1$as_nl"' + as_echo_n='/usr/ucb/echo -n' + else + as_echo_body='eval expr "X$1" : "X\\(.*\\)"' + as_echo_n_body='eval + arg=$1; + case $arg in #( + *"$as_nl"*) + expr "X$arg" : "X\\(.*\\)$as_nl"; + arg=`expr "X$arg" : ".*$as_nl\\(.*\\)"`;; + esac; + expr "X$arg" : "X\\(.*\\)" | tr -d "$as_nl" + ' + export as_echo_n_body + as_echo_n='sh -c $as_echo_n_body as_echo' + fi + export as_echo_body + as_echo='sh -c $as_echo_body as_echo' +fi + +# The user is always right. +if test "${PATH_SEPARATOR+set}" != set; then + PATH_SEPARATOR=: + (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 && { + (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 || + PATH_SEPARATOR=';' + } +fi + + +# IFS +# We need space, tab and new line, in precisely that order. Quoting is +# there to prevent editors from complaining about space-tab. +# (If _AS_PATH_WALK were called with IFS unset, it would disable word +# splitting by setting IFS to empty value.) +IFS=" "" $as_nl" + +# Find who we are. Look in the path if we contain no directory separator. +as_myself= +case $0 in #(( + *[\\/]* ) as_myself=$0 ;; + *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + test -r "$as_dir/$0" && as_myself=$as_dir/$0 && break + done +IFS=$as_save_IFS + + ;; +esac +# We did not find ourselves, most probably we were run as `sh COMMAND' +# in which case we are not to be found in the path. +if test "x$as_myself" = x; then + as_myself=$0 +fi +if test ! -f "$as_myself"; then + $as_echo "$as_myself: error: cannot find myself; rerun with an absolute file name" >&2 + exit 1 +fi + +# Unset variables that we do not need and which cause bugs (e.g. in +# pre-3.0 UWIN ksh). But do not cause bugs in bash 2.01; the "|| exit 1" +# suppresses any "Segmentation fault" message there. '((' could +# trigger a bug in pdksh 5.2.14. +for as_var in BASH_ENV ENV MAIL MAILPATH +do eval test x\${$as_var+set} = xset \ + && ( (unset $as_var) || exit 1) >/dev/null 2>&1 && unset $as_var || : +done +PS1='$ ' +PS2='> ' +PS4='+ ' + +# NLS nuisances. +LC_ALL=C +export LC_ALL +LANGUAGE=C +export LANGUAGE + +# CDPATH. +(unset CDPATH) >/dev/null 2>&1 && unset CDPATH + + +# as_fn_error STATUS ERROR [LINENO LOG_FD] +# ---------------------------------------- +# Output "`basename $0`: error: ERROR" to stderr. If LINENO and LOG_FD are +# provided, also output the error to LOG_FD, referencing LINENO. Then exit the +# script with STATUS, using 1 if that was 0. +as_fn_error () +{ + as_status=$1; test $as_status -eq 0 && as_status=1 + if test "$4"; then + as_lineno=${as_lineno-"$3"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + $as_echo "$as_me:${as_lineno-$LINENO}: error: $2" >&$4 + fi + $as_echo "$as_me: error: $2" >&2 + as_fn_exit $as_status +} # as_fn_error + + +# as_fn_set_status STATUS +# ----------------------- +# Set $? to STATUS, without forking. +as_fn_set_status () +{ + return $1 +} # as_fn_set_status + +# as_fn_exit STATUS +# ----------------- +# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. +as_fn_exit () +{ + set +e + as_fn_set_status $1 + exit $1 +} # as_fn_exit + +# as_fn_unset VAR +# --------------- +# Portably unset VAR. +as_fn_unset () +{ + { eval $1=; unset $1;} +} +as_unset=as_fn_unset +# as_fn_append VAR VALUE +# ---------------------- +# Append the text in VALUE to the end of the definition contained in VAR. Take +# advantage of any shell optimizations that allow amortized linear growth over +# repeated appends, instead of the typical quadratic growth present in naive +# implementations. +if (eval "as_var=1; as_var+=2; test x\$as_var = x12") 2>/dev/null; then : + eval 'as_fn_append () + { + eval $1+=\$2 + }' +else + as_fn_append () + { + eval $1=\$$1\$2 + } +fi # as_fn_append + +# as_fn_arith ARG... +# ------------------ +# Perform arithmetic evaluation on the ARGs, and store the result in the +# global $as_val. Take advantage of shells that can avoid forks. 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"cannot create directory $as_dir" + + +} # as_fn_mkdir_p +if mkdir -p . 2>/dev/null; then + as_mkdir_p='mkdir -p "$as_dir"' +else + test -d ./-p && rmdir ./-p + as_mkdir_p=false +fi + + +# as_fn_executable_p FILE +# ----------------------- +# Test if FILE is an executable regular file. +as_fn_executable_p () +{ + test -f "$1" && test -x "$1" +} # as_fn_executable_p +as_test_x='test -x' +as_executable_p=as_fn_executable_p + +# Sed expression to map a string onto a valid CPP name. +as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'" + +# Sed expression to map a string onto a valid variable name. +as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'" + + +exec 6>&1 +## ----------------------------------- ## +## Main body of $CONFIG_STATUS script. ## +## ----------------------------------- ## +_ASEOF +test $as_write_fail = 0 && chmod +x $CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +# Save the log message, to keep $0 and so on meaningful, and to +# report actual input values of CONFIG_FILES etc. instead of their +# values after options handling. +ac_log=" +This file was extended by memcached $as_me 1.5.4, which was +generated by GNU Autoconf 2.69. Invocation command line was + + CONFIG_FILES = $CONFIG_FILES + CONFIG_HEADERS = $CONFIG_HEADERS + CONFIG_LINKS = $CONFIG_LINKS + CONFIG_COMMANDS = $CONFIG_COMMANDS + $ $0 $@ + +on `(hostname || uname -n) 2>/dev/null | sed 1q` +" + +_ACEOF + +case $ac_config_files in *" +"*) set x $ac_config_files; shift; ac_config_files=$*;; +esac + +case $ac_config_headers in *" +"*) set x $ac_config_headers; shift; ac_config_headers=$*;; +esac + + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# Files that config.status was made for. +config_files="$ac_config_files" +config_headers="$ac_config_headers" +config_commands="$ac_config_commands" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +ac_cs_usage="\ +\`$as_me' instantiates files and other configuration actions +from templates according to the current configuration. Unless the files +and actions are specified as TAGs, all are instantiated by default. + +Usage: $0 [OPTION]... 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"missing file argument" ;; + esac + as_fn_append CONFIG_FILES " '$ac_optarg'" + ac_need_defaults=false;; + --header | --heade | --head | --hea ) + $ac_shift + case $ac_optarg in + *\'*) ac_optarg=`$as_echo "$ac_optarg" | sed "s/'/'\\\\\\\\''/g"` ;; + esac + as_fn_append CONFIG_HEADERS " '$ac_optarg'" + ac_need_defaults=false;; + --he | --h) + # Conflict between --help and --header + as_fn_error $? "ambiguous option: \`$1' +Try \`$0 --help' for more information.";; + --help | --hel | -h ) + $as_echo "$ac_cs_usage"; exit ;; + -q | -quiet | --quiet | --quie | --qui | --qu | --q \ + | -silent | --silent | --silen | --sile | --sil | --si | --s) + ac_cs_silent=: ;; + + # This is an error. + -*) as_fn_error $? "unrecognized option: \`$1' +Try \`$0 --help' for more information." ;; + + *) as_fn_append ac_config_targets " $1" + ac_need_defaults=false ;; + + esac + shift +done + +ac_configure_extra_args= + +if $ac_cs_silent; then + exec 6>/dev/null + ac_configure_extra_args="$ac_configure_extra_args --silent" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +if \$ac_cs_recheck; then + set X $SHELL '$0' $ac_configure_args \$ac_configure_extra_args --no-create --no-recursion + shift + \$as_echo "running CONFIG_SHELL=$SHELL \$*" >&6 + CONFIG_SHELL='$SHELL' + export CONFIG_SHELL + exec "\$@" +fi + +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +exec 5>>config.log +{ + echo + sed 'h;s/./-/g;s/^.../## /;s/...$/ ##/;p;x;p;x' <<_ASBOX +## Running $as_me. ## +_ASBOX + $as_echo "$ac_log" +} >&5 + +_ACEOF +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 +# +# INIT-COMMANDS +# +AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir" + +_ACEOF + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + +# Handling of arguments. +for ac_config_target in $ac_config_targets +do + case $ac_config_target in + "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;; + "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;; + "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;; + "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;; + + *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;; + esac +done + + +# If the user did not use the arguments to specify the items to instantiate, +# then the envvar interface is used. Set only those that are not. +# We use the long form for the default assignment because of an extremely +# bizarre bug on SunOS 4.1.3. +if $ac_need_defaults; then + test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files + test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers + test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands +fi + +# Have a temporary directory for convenience. Make it in the build tree +# simply because there is no reason against having it here, and in addition, +# creating and moving files from /tmp can sometimes cause problems. +# Hook for its removal unless debugging. +# Note that there is a small window in which the directory will not be cleaned: +# after its creation but before its name has been assigned to `$tmp'. +$debug || +{ + tmp= ac_tmp= + trap 'exit_status=$? + : "${ac_tmp:=$tmp}" + { test ! -d "$ac_tmp" || rm -fr "$ac_tmp"; } && exit $exit_status +' 0 + trap 'as_fn_exit 1' 1 2 13 15 +} +# Create a (secure) tmp directory for tmp files. + +{ + tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` && + test -d "$tmp" +} || +{ + tmp=./conf$$-$RANDOM + (umask 077 && mkdir "$tmp") +} || as_fn_error $? "cannot create a temporary directory in ." "$LINENO" 5 +ac_tmp=$tmp + +# Set up the scripts for CONFIG_FILES section. +# No need to generate them if there are no CONFIG_FILES. +# This happens for instance with `./config.status config.h'. +if test -n "$CONFIG_FILES"; then + + +ac_cr=`echo X | tr X '\015'` +# On cygwin, bash can eat \r inside `` if the user requested igncr. +# But we know of no other shell where ac_cr would be empty at this +# point, so we can use a bashism as a fallback. +if test "x$ac_cr" = x; then + eval ac_cr=\$\'\\r\' +fi +ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' /dev/null` +if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then + ac_cs_awk_cr='\\r' +else + ac_cs_awk_cr=$ac_cr +fi + +echo 'BEGIN {' >"$ac_tmp/subs1.awk" && +_ACEOF + + +{ + echo "cat >conf$$subs.awk <<_ACEOF" && + echo "$ac_subst_vars" | sed 's/.*/&!$&$ac_delim/' && + echo "_ACEOF" +} >conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 +ac_delim_num=`echo "$ac_subst_vars" | grep -c '^'` +ac_delim='%!_!# ' +for ac_last_try in false false false false false :; do + . ./conf$$subs.sh || + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + + ac_delim_n=`sed -n "s/.*$ac_delim\$/X/p" conf$$subs.awk | grep -c X` + if test $ac_delim_n = $ac_delim_num; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_STATUS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! 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"could not setup config files machinery" "$LINENO" 5 +_ACEOF + +# VPATH may cause trouble with some makes, so we remove sole $(srcdir), +# ${srcdir} and @srcdir@ entries from VPATH if srcdir is ".", strip leading and +# trailing colons and then remove the whole line if VPATH becomes empty +# (actually we leave an empty line to preserve line numbers). +if test "x$srcdir" = x.; then + ac_vpsub='/^[ ]*VPATH[ ]*=[ ]*/{ +h +s/// +s/^/:/ +s/[ ]*$/:/ +s/:\$(srcdir):/:/g +s/:\${srcdir}:/:/g +s/:@srcdir@:/:/g +s/^:*// +s/:*$// +x +s/\(=[ ]*\).*/\1/ +G +s/\n// +s/^[^=]*=[ ]*$// +}' +fi + +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 +fi # test -n "$CONFIG_FILES" + +# Set up the scripts for CONFIG_HEADERS section. +# No need to generate them if there are no CONFIG_HEADERS. +# This happens for instance with `./config.status Makefile'. +if test -n "$CONFIG_HEADERS"; then +cat >"$ac_tmp/defines.awk" <<\_ACAWK || +BEGIN { +_ACEOF + +# Transform confdefs.h into an awk script `defines.awk', embedded as +# here-document in config.status, that substitutes the proper values into +# config.h.in to produce config.h. + +# Create a delimiter string that does not exist in confdefs.h, to ease +# handling of long lines. +ac_delim='%!_!# ' +for ac_last_try in false false :; do + ac_tt=`sed -n "/$ac_delim/p" confdefs.h` + if test -z "$ac_tt"; then + break + elif $ac_last_try; then + as_fn_error $? "could not make $CONFIG_HEADERS" "$LINENO" 5 + else + ac_delim="$ac_delim!$ac_delim _$ac_delim!! " + fi +done + +# For the awk script, D is an array of macro values keyed by name, +# likewise P contains macro parameters if any. Preserve backslash +# newline sequences. + +ac_word_re=[_$as_cr_Letters][_$as_cr_alnum]* +sed -n ' +s/.\{148\}/&'"$ac_delim"'/g +t rset +:rset +s/^[ ]*#[ ]*define[ ][ ]*/ / +t def +d +:def +s/\\$// +t bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3"/p +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2"/p +d +:bsnl +s/["\\]/\\&/g +s/^ \('"$ac_word_re"'\)\(([^()]*)\)[ ]*\(.*\)/P["\1"]="\2"\ +D["\1"]=" \3\\\\\\n"\\/p +t cont +s/^ \('"$ac_word_re"'\)[ ]*\(.*\)/D["\1"]=" \2\\\\\\n"\\/p +t cont +d +:cont +n +s/.\{148\}/&'"$ac_delim"'/g +t clear +:clear +s/\\$// +t bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/"/p +d +:bsnlc +s/["\\]/\\&/g; s/^/"/; s/$/\\\\\\n"\\/p +b cont +' >$CONFIG_STATUS || ac_write_fail=1 + +cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1 + for (key in D) D_is_set[key] = 1 + FS = "" +} +/^[\t ]*#[\t ]*(define|undef)[\t ]+$ac_word_re([\t (]|\$)/ { + line = \$ 0 + split(line, arg, " ") + if (arg[1] == "#") { + defundef = arg[2] + mac1 = arg[3] + } else { + defundef = substr(arg[1], 2) + mac1 = arg[2] + } + split(mac1, mac2, "(") #) + macro = mac2[1] + prefix = substr(line, 1, index(line, defundef) - 1) + if (D_is_set[macro]) { + # Preserve the white space surrounding the "#". + print prefix "define", macro P[macro] D[macro] + next + } else { + # Replace #undef with comments. This is necessary, for example, + # in the case of _POSIX_SOURCE, which is predefined and required + # on some systems where configure will not decide to define it. + if (defundef == "undef") { + print "/*", prefix defundef, macro, "*/" + next + } + } +} +{ print } +_ACAWK +_ACEOF +cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1 + as_fn_error $? "could not setup config headers machinery" "$LINENO" 5 +fi # test -n "$CONFIG_HEADERS" + + +eval set X " :F $CONFIG_FILES :H $CONFIG_HEADERS :C $CONFIG_COMMANDS" +shift +for ac_tag +do + case $ac_tag in + :[FHLC]) ac_mode=$ac_tag; continue;; + esac + case $ac_mode$ac_tag in + :[FHL]*:*);; + :L* | :C*:*) as_fn_error $? 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We invoke sed twice because it is the + # simplest approach to changing $(DEPDIR) to its actual value in the + # expansion. + for file in `sed -n " + s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \ + sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g'`; do + # Make sure the directory exists. + test -f "$dirpart/$file" && continue + fdir=`$as_dirname -- "$file" || +$as_expr X"$file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \ + X"$file" : 'X\(//\)[^/]' \| \ + X"$file" : 'X\(//\)$' \| \ + X"$file" : 'X\(/\)' \| . 2>/dev/null || +$as_echo X"$file" | + sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ + s//\1/ + q + } + /^X\(\/\/\)[^/].*/{ + s//\1/ + q + } + /^X\(\/\/\)$/{ + s//\1/ + q + } + /^X\(\/\).*/{ + s//\1/ + q + } + s/.*/./; q'` + as_dir=$dirpart/$fdir; as_fn_mkdir_p + # echo "creating $dirpart/$file" + echo '# dummy' > "$dirpart/$file" + done + done +} + ;; + + esac +done # for ac_tag + + +as_fn_exit 0 +_ACEOF +ac_clean_files=$ac_clean_files_save + +test $ac_write_fail = 0 || + as_fn_error $? "write failure creating $CONFIG_STATUS" "$LINENO" 5 + + +# configure is writing to config.log, and then calls config.status. +# config.status does its own redirection, appending to config.log. +# Unfortunately, on DOS this fails, as config.log is still kept open +# by configure, so config.status won't be able to write to it; its +# output is simply discarded. So we exec the FD to /dev/null, +# effectively closing config.log, so it can be properly (re)opened and +# appended to by config.status. When coming back to configure, we +# need to make the FD available again. +if test "$no_create" != yes; then + ac_cs_success=: + ac_config_status_args= + test "$silent" = yes && + ac_config_status_args="$ac_config_status_args --quiet" + exec 5>/dev/null + $SHELL $CONFIG_STATUS $ac_config_status_args || ac_cs_success=false + exec 5>>config.log + # Use ||, not &&, to avoid exiting from the if with $? = 1, which + # would make configure fail if this is the last instruction. + $ac_cs_success || as_fn_exit 1 +fi +if test -n "$ac_unrecognized_opts" && test "$enable_option_checking" != no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: unrecognized options: $ac_unrecognized_opts" >&5 +$as_echo "$as_me: WARNING: unrecognized options: $ac_unrecognized_opts" >&2;} +fi + diff --git a/configure.ac b/configure.ac new file mode 100755 index 0000000..d7e763b --- /dev/null +++ b/configure.ac @@ -0,0 +1,651 @@ +AC_PREREQ(2.52) +m4_include([version.m4]) +m4_include([m4/c99-backport.m4]) +AC_INIT([memcached], [VERSION_NUMBER], [memcached@googlegroups.com]) +AC_CANONICAL_HOST +AC_CONFIG_SRCDIR([memcached.c]) +AM_INIT_AUTOMAKE([foreign]) +AM_CONFIG_HEADER([config.h]) + +AC_PROG_CC + +dnl ********************************************************************** +dnl DETECT_ICC ([ACTION-IF-YES], [ACTION-IF-NO]) +dnl +dnl check if this is the Intel ICC compiler, and if so run the ACTION-IF-YES +dnl sets the $ICC variable to "yes" or "no" +dnl ********************************************************************** +AC_DEFUN([DETECT_ICC], +[ + ICC="no" + AC_MSG_CHECKING([for icc in use]) + if test "$GCC" = "yes"; then + dnl check if this is icc acting as gcc in disguise + AC_EGREP_CPP([^__INTEL_COMPILER], [__INTEL_COMPILER], + AC_MSG_RESULT([no]) + [$2], + AC_MSG_RESULT([yes]) + [$1] + ICC="yes") + else + AC_MSG_RESULT([no]) + [$2] + fi +]) + +DETECT_ICC([], []) + +dnl ********************************************************************** +dnl DETECT_CLANG ([ACTION-IF-YES], [ACTION-IF-NO]) +dnl +dnl check if compiler is clang, and if so run the ACTION-IF-YES sets the +dnl $CLANG variable to "yes" or "no" +dnl ********************************************************************** +AC_DEFUN([DETECT_CLANG], +[ + AC_MSG_CHECKING([for clang in use]) + AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM([], [[ + #ifndef __clang__ + not clang + #endif + ]])], + [CLANG=yes], [CLANG=no]) + AC_MSG_RESULT([$CLANG]) + AS_IF([test "$CLANG" = "yes"],[$1],[$2]) +]) +DETECT_CLANG([],[]) + +dnl ********************************************************************** +dnl DETECT_SUNCC ([ACTION-IF-YES], [ACTION-IF-NO]) +dnl +dnl check if this is the Sun Studio compiler, and if so run the ACTION-IF-YES +dnl sets the $SUNCC variable to "yes" or "no" +dnl ********************************************************************** +AC_DEFUN([DETECT_SUNCC], +[ + AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) + AS_IF(test "x$SUNCC" = "xyes", [$1], [$2]) + +]) + +DETECT_SUNCC([CFLAGS="-mt $CFLAGS"], []) +AS_IF([test "$ICC" = "yes" -o "$GCC" = "yes"], +[ + AS_IF(test "$CLANG" = "no",[CFLAGS="$CFLAGS -pthread"]) +]) + +if test "$ICC" = "no"; then + AC_PROG_CC_C99 +fi + +AM_PROG_CC_C_O +AC_PROG_INSTALL + +AC_ARG_ENABLE(extstore, + [AS_HELP_STRING([--enable-extstore], [Enable external storage EXPERIMENTAL ])]) + +AC_ARG_ENABLE(pslab, + [AS_HELP_STRING([--enable-pslab], [Enable persistent memory slab EXPERIMENTAL ])]) + +AC_ARG_ENABLE(seccomp, + [AS_HELP_STRING([--enable-seccomp],[Enable seccomp restrictions])]) + +AC_ARG_ENABLE(sasl, + [AS_HELP_STRING([--enable-sasl],[Enable SASL authentication])]) + +AC_ARG_ENABLE(sasl_pwdb, + [AS_HELP_STRING([--enable-sasl-pwdb],[Enable plaintext password db])]) + +AS_IF([test "x$enable_sasl_pwdb" = "xyes"], + [enable_sasl=yes ]) + + + +dnl ********************************************************************** +dnl DETECT_SASL_CB_GETCONF +dnl +dnl check if we can use SASL_CB_GETCONF +dnl ********************************************************************** +AC_DEFUN([AC_C_DETECT_SASL_CB_GETCONF], +[ + AC_CACHE_CHECK([for SASL_CB_GETCONF], + [ac_cv_c_sasl_cb_getconf], + [AC_TRY_COMPILE( + [ +#include + ], [ +unsigned long val = SASL_CB_GETCONF; + ], + [ ac_cv_c_sasl_cb_getconf=yes ], + [ ac_cv_c_sasl_cb_getconf=no ]) + ]) + AS_IF([test "$ac_cv_c_sasl_cb_getconf" = "yes"], + [AC_DEFINE([HAVE_SASL_CB_GETCONF], 1, + [Set to nonzero if your SASL implementation supports SASL_CB_GETCONF])]) +]) + +AC_CHECK_HEADERS([sasl/sasl.h]) +if test "x$enable_sasl" = "xyes"; then + AC_C_DETECT_SASL_CB_GETCONF + AC_DEFINE([ENABLE_SASL],1,[Set to nonzero if you want to include SASL]) + AC_SEARCH_LIBS([sasl_server_init], [sasl2 sasl], [], + [ + AC_MSG_ERROR([Failed to locate the library containing sasl_server_init]) + ]) + + AS_IF([test "x$enable_sasl_pwdb" = "xyes"], + [AC_DEFINE([ENABLE_SASL_PWDB], 1, + [Set to nonzero if you want to enable a SASL pwdb])]) +fi + +AC_ARG_ENABLE(dtrace, + [AS_HELP_STRING([--enable-dtrace],[Enable dtrace probes])]) +if test "x$enable_dtrace" = "xyes"; then + AC_PATH_PROG([DTRACE], [dtrace], "no", [/usr/sbin:$PATH]) + if test "x$DTRACE" != "xno"; then + AC_DEFINE([ENABLE_DTRACE],1,[Set to nonzero if you want to include DTRACE]) + build_dtrace=yes + # DTrace on MacOSX does not use -G option + $DTRACE -G -o conftest.$$ -s memcached_dtrace.d 2>/dev/zero + if test $? -eq 0 + then + dtrace_instrument_obj=yes + rm conftest.$$ + fi + + if test "`which tr`" = "/usr/ucb/tr"; then + AC_MSG_ERROR([Please remove /usr/ucb from your path. See man standards for more info]) + fi + else + AC_MSG_ERROR([Need dtrace binary and OS support.]) + fi +fi + +if test "x$enable_extstore" = "xyes"; then + AC_DEFINE([EXTSTORE],1,[Set to nonzero if you want to enable extstorextstore]) +fi + +if test "x$enable_pslab" = "xyes"; then + AC_DEFINE([PSLAB],1,[Set to nonzero if you want to enable pslab]) +fi + +AM_CONDITIONAL([BUILD_DTRACE],[test "$build_dtrace" = "yes"]) +AM_CONDITIONAL([DTRACE_INSTRUMENT_OBJ],[test "$dtrace_instrument_obj" = "yes"]) +AM_CONDITIONAL([ENABLE_SASL],[test "$enable_sasl" = "yes"]) +AM_CONDITIONAL([ENABLE_EXTSTORE],[test "$enable_extstore" = "yes"]) +AM_CONDITIONAL([ENABLE_PSLAB],[test "$enable_pslab" = "yes"]) + +AC_SUBST(DTRACE) +AC_SUBST(DTRACEFLAGS) +AC_SUBST(ENABLE_SASL) +AC_SUBST(PROFILER_LDFLAGS) + +AC_ARG_ENABLE(coverage, + [AS_HELP_STRING([--disable-coverage],[Disable code coverage])]) + +if test "x$enable_coverage" != "xno"; then + if test "$GCC" = "yes" -a "$ICC" != "yes" -a "$CLANG" != "yes" + then + CFLAGS="$CFLAGS -pthread" + AC_PATH_PROG([PROFILER], [gcov], "no", [$PATH]) + if test "x$PROFILER" != "xno"; then + # Issue 97: The existence of gcov doesn't mean we have -lgcov + AC_CHECK_LIB(gcov, main, + [ + PROFILER_FLAGS="-fprofile-arcs -ftest-coverage" + PROFILER_LDFLAGS="-lgcov" + ], [ + PROFILER_FLAGS= + PROFILER_LDFLAGS= + ]) + fi + elif test "$SUNCC" = "yes" + then + AC_PATH_PROG([PROFILER], [tcov], "no", [$PATH]) + if test "x$PROFILER" != "xno"; then + PROFILER_FLAGS=-xprofile=tcov + fi + elif test "x$CLANG" != "xno" + then + AC_PATH_PROG([PROFILER], [gcov], "no", [$PATH]) + if test "x$PROFILER" != "xno" + then + PROFILER_FLAGS="-fprofile-arcs -ftest-coverage" + PROFILER_LDFLAGS= + fi + fi +fi +AC_SUBST(PROFILER_FLAGS) + + +AC_ARG_ENABLE(64bit, + [AS_HELP_STRING([--enable-64bit],[build 64bit version])]) +if test "x$enable_64bit" = "xyes" +then + org_cflags=$CFLAGS + CFLAGS=-m64 + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([], [dnl +return sizeof(void*) == 8 ? 0 : 1; + ]) + ],[ + CFLAGS="-m64 $org_cflags" + ],[ + AC_MSG_ERROR([Don't know how to build a 64-bit object.]) + ]) +fi + +# Issue 213: Search for clock_gettime to help people linking +# with a static version of libevent +AC_SEARCH_LIBS(clock_gettime, rt) +# Issue 214: Search for the network libraries _before_ searching +# for libevent (to help people linking with static libevent) +AC_SEARCH_LIBS(socket, socket) +AC_SEARCH_LIBS(gethostbyname, nsl) + +trylibeventdir="" +AC_ARG_WITH(libevent, + [ --with-libevent=PATH Specify path to libevent installation ], + [ + if test "x$withval" != "xno" ; then + trylibeventdir=$withval + fi + ] +) + +dnl ------------------------------------------------------ +dnl libevent detection. swiped from Tor. modified a bit. + +LIBEVENT_URL=http://www.monkey.org/~provos/libevent/ + +AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [ + saved_LIBS="$LIBS" + saved_LDFLAGS="$LDFLAGS" + saved_CPPFLAGS="$CPPFLAGS" + le_found=no + for ledir in $trylibeventdir "" $prefix /usr/local ; do + LDFLAGS="$saved_LDFLAGS" + LIBS="-levent $saved_LIBS" + + # Skip the directory if it isn't there. + if test ! -z "$ledir" -a ! -d "$ledir" ; then + continue; + fi + if test ! -z "$ledir" ; then + if test -d "$ledir/lib" ; then + LDFLAGS="-L$ledir/lib $LDFLAGS" + else + LDFLAGS="-L$ledir $LDFLAGS" + fi + if test -d "$ledir/include" ; then + CPPFLAGS="-I$ledir/include $CPPFLAGS" + else + CPPFLAGS="-I$ledir $CPPFLAGS" + fi + fi + # Can I compile and link it? + AC_TRY_LINK([#include +#include +#include ], [ event_init(); ], + [ libevent_linked=yes ], [ libevent_linked=no ]) + if test $libevent_linked = yes; then + if test ! -z "$ledir" ; then + ac_cv_libevent_dir=$ledir + _myos=`echo $target_os | cut -f 1 -d .` + AS_IF(test "$SUNCC" = "yes" -o "x$_myos" = "xsolaris2", + [saved_LDFLAGS="$saved_LDFLAGS -Wl,-R$ledir/lib"], + [AS_IF(test "$GCC" = "yes", + [saved_LDFLAGS="$saved_LDFLAGS -Wl,-rpath,$ledir/lib"])]) + else + ac_cv_libevent_dir="(system)" + fi + le_found=yes + break + fi + done + LIBS="$saved_LIBS" + LDFLAGS="$saved_LDFLAGS" + CPPFLAGS="$saved_CPPFLAGS" + if test $le_found = no ; then + AC_MSG_ERROR([libevent is required. You can get it from $LIBEVENT_URL + + If it's already installed, specify its path using --with-libevent=/dir/ +]) + fi +]) +LIBS="-levent $LIBS" +if test $ac_cv_libevent_dir != "(system)"; then + if test -d "$ac_cv_libevent_dir/lib" ; then + LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS" + le_libdir="$ac_cv_libevent_dir/lib" + else + LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS" + le_libdir="$ac_cv_libevent_dir" + fi + if test -d "$ac_cv_libevent_dir/include" ; then + CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS" + else + CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS" + fi +fi + +dnl ---------------------------------------------------------------------------- + +AC_SEARCH_LIBS(umem_cache_create, umem) +AC_SEARCH_LIBS(gethugepagesizes, hugetlbfs) + +AC_HEADER_STDBOOL +AH_BOTTOM([#if HAVE_STDBOOL_H +#include +#else +#define bool char +#define false 0 +#define true 1 +#endif ]) + +AC_CHECK_HEADERS([inttypes.h]) +AH_BOTTOM([#ifdef HAVE_INTTYPES_H +#include +#endif +]) + +dnl ********************************************************************** +dnl Figure out if this system has the stupid sasl_callback_ft +dnl ********************************************************************** + +AC_DEFUN([AC_HAVE_SASL_CALLBACK_FT], +[AC_CACHE_CHECK(for sasl_callback_ft, ac_cv_has_sasl_callback_ft, +[ + AC_TRY_COMPILE([ + #ifdef HAVE_SASL_SASL_H + #include + #include + #endif + ],[ + sasl_callback_ft a_callback; + ],[ + ac_cv_has_sasl_callback_ft=yes + ],[ + ac_cv_has_sasl_callback_ft=no + ]) +]) +if test $ac_cv_has_sasl_callback_ft = yes; then + AC_DEFINE(HAVE_SASL_CALLBACK_FT, 1, [we have sasl_callback_ft]) +fi +]) + +AC_HAVE_SASL_CALLBACK_FT + +dnl ********************************************************************** +dnl DETECT_UINT64_SUPPORT +dnl +dnl check if we can use a uint64_t +dnl ********************************************************************** +AC_DEFUN([AC_C_DETECT_UINT64_SUPPORT], +[ + AC_CACHE_CHECK([for print macros for integers (C99 section 7.8.1)], + [ac_cv_c_uint64_support], + [AC_TRY_COMPILE( + [ +#ifdef HAVE_INTTYPES_H +#include +#endif +#include + ], [ + uint64_t val = 0; + fprintf(stderr, "%" PRIu64 "\n", val); + ], + [ ac_cv_c_uint64_support=yes ], + [ ac_cv_c_uint64_support=no ]) + ]) +]) + +AC_C_DETECT_UINT64_SUPPORT +AS_IF([test "x$ac_cv_c_uint64_support" = "xno"], + [AC_MSG_WARN([ + +Failed to use print macros (PRIu) as defined in C99 section 7.8.1. + +])]) + +AC_C_CONST + +dnl From licq: Copyright (c) 2000 Dirk Mueller +dnl Check if the type socklen_t is defined anywhere +AC_DEFUN([AC_C_SOCKLEN_T], +[AC_CACHE_CHECK(for socklen_t, ac_cv_c_socklen_t, +[ + AC_TRY_COMPILE([ + #include + #include + ],[ + socklen_t foo; + ],[ + ac_cv_c_socklen_t=yes + ],[ + ac_cv_c_socklen_t=no + ]) +]) +if test $ac_cv_c_socklen_t = no; then + AC_DEFINE(socklen_t, int, [define to int if socklen_t not available]) +fi +]) + +AC_C_SOCKLEN_T + +dnl Check if we're a little-endian or a big-endian system, needed by hash code +AC_DEFUN([AC_C_ENDIAN], +[AC_CACHE_CHECK(for endianness, ac_cv_c_endian, +[ + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([], [dnl + long val = 1; + char *c = (char *) &val; + exit(*c == 1); + ]) + ],[ + ac_cv_c_endian=big + ],[ + ac_cv_c_endian=little + ]) +]) +if test $ac_cv_c_endian = big; then + AC_DEFINE(ENDIAN_BIG, 1, [machine is bigendian]) +fi +if test $ac_cv_c_endian = little; then + AC_DEFINE(ENDIAN_LITTLE, 1, [machine is littleendian]) +fi +]) + +AC_C_ENDIAN + +AC_DEFUN([AC_C_HTONLL], +[ + AC_MSG_CHECKING([for htonll]) + have_htoll="no" + AC_TRY_LINK([ +#include +#include +#ifdef HAVE_INTTYPES_H +#include */ +#endif + ], [ + return htonll(0); + ], [ + have_htoll="yes" + AC_DEFINE([HAVE_HTONLL], [1], [Have ntohll]) + ], [ + have_htoll="no" + ]) + + AC_MSG_RESULT([$have_htoll]) +]) + +AC_C_HTONLL + +dnl Check whether the user's system supports pthread +AC_SEARCH_LIBS(pthread_create, pthread) +if test "x$ac_cv_search_pthread_create" = "xno"; then + AC_MSG_ERROR([Can't enable threads without the POSIX thread library.]) +fi + +AC_CHECK_FUNCS(mlockall) +AC_CHECK_FUNCS(getpagesizes) +AC_CHECK_FUNCS(memcntl) +AC_CHECK_FUNCS(sigignore) +AC_CHECK_FUNCS(clock_gettime) +AC_CHECK_FUNCS([accept4], [AC_DEFINE(HAVE_ACCEPT4, 1, [Define to 1 if support accept4])]) +AC_CHECK_FUNCS([getopt_long], [AC_DEFINE(HAVE_GETOPT_LONG, 1, [Define to 1 if support getopt_long])]) + +AC_DEFUN([AC_C_ALIGNMENT], +[AC_CACHE_CHECK(for alignment, ac_cv_c_alignment, +[ + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([ +#include +#include + ], [ + char *buf = malloc(32); + + uint64_t *ptr = (uint64_t*)(buf+2); + // catch sigbus, etc. + *ptr = 0x1; + + // catch unaligned word access (ARM cpus) +#ifdef ENDIAN_BIG +#define ALIGNMENT 0x02030405 +#else +#define ALIGNMENT 0x05040302 +#endif + *(buf + 0) = 1; + *(buf + 1) = 2; + *(buf + 2) = 3; + *(buf + 3) = 4; + *(buf + 4) = 5; + int* i = (int*)(buf+1); + return (ALIGNMENT == *i) ? 0 : 1; + ]) + ],[ + ac_cv_c_alignment=none + ],[ + ac_cv_c_alignment=need + ],[ + ac_cv_c_alignment=need + ]) +]) +if test $ac_cv_c_alignment = need; then + AC_DEFINE(NEED_ALIGN, 1, [Machine need alignment]) +fi +]) + +AC_C_ALIGNMENT + +dnl Check for our specific usage of GCC atomics. +dnl These were added in 4.1.2, but 32bit OS's may lack shorts and 4.1.2 +dnl lacks testable defines. +have_gcc_atomics=no +AC_MSG_CHECKING(for GCC atomics) +AC_TRY_LINK([],[ + unsigned short a; + unsigned short b; + b = __sync_add_and_fetch(&a, 1); + b = __sync_sub_and_fetch(&a, 2); + ],[have_gcc_atomics=yes + AC_DEFINE(HAVE_GCC_ATOMICS, 1, [GCC Atomics available])]) +AC_MSG_RESULT($have_gcc_atomics) + +dnl Check for usage of 64bit atomics +dnl 32bit systems shouldn't have these. +have_gcc_64atomics=no +AC_MSG_CHECKING(for GCC 64bit atomics) +AC_TRY_LINK([],[ + uint64_t a; + uint64_t b; + b = __sync_add_and_fetch(&a, 1); + b = __sync_sub_and_fetch(&a, 2); + ],[have_gcc_64atomics=yes + AC_DEFINE(HAVE_GCC_64ATOMICS, 1, [GCC 64bit Atomics available])]) +AC_MSG_RESULT($have_gcc_64atomics) + +dnl Check for the requirements for running memcached with less privileges +dnl than the default privilege set. On Solaris we need setppriv and priv.h +dnl If you want to add support for other platforms you should check for +dnl your requirements, define HAVE_DROP_PRIVILEGES, and make sure you add +dnl the source file containing the implementation into memcached_SOURCE +dnl in Makefile.am +AC_CHECK_FUNCS(setppriv, [ + AC_CHECK_HEADER(priv.h, [ + AC_DEFINE([HAVE_DROP_PRIVILEGES], 1, + [Define this if you have an implementation of drop_privileges()]) + build_solaris_privs=yes + ], []) +],[]) + +AS_IF([test "x$enable_seccomp" = "xyes" ], [ + AC_CHECK_LIB(seccomp, seccomp_rule_add, [ + AC_DEFINE([HAVE_DROP_PRIVILEGES], 1, + [Define this if you have an implementation of drop_privileges()]) + build_linux_privs=yes + AC_DEFINE([HAVE_DROP_WORKER_PRIVILEGES], 1, + [Define this if you have an implementation of drop_worker_privileges()]) + build_linux_privs=yes + ], []) +]) + +AC_CHECK_FUNCS(pledge, [ + AC_CHECK_HEADER(unistd.h, [ + AC_DEFINE([HAVE_DROP_PRIVILEGES], 1, + [Define this if you have an implementation of drop_privileges()]) + build_openbsd_privs=yes + ], []) +],[]) + +AM_CONDITIONAL([BUILD_SOLARIS_PRIVS],[test "$build_solaris_privs" = "yes"]) +AM_CONDITIONAL([BUILD_LINUX_PRIVS],[test "$build_linux_privs" = "yes"]) +AM_CONDITIONAL([BUILD_OPENBSD_PRIVS],[test "$build_openbsd_privs" = "yes"]) + +AC_CHECK_HEADER(umem.h, [ + AC_DEFINE([HAVE_UMEM_H], 1, + [Define this if you have umem.h]) + build_cache=no +], [build_cache=yes]) + +AM_CONDITIONAL([BUILD_CACHE], [test "x$build_cache" = "xyes"]) + +AC_ARG_ENABLE(docs, + [AS_HELP_STRING([--disable-docs],[Disable documentation generation])]) + +AC_PATH_PROG([XML2RFC], [xml2rfc], "no") +AC_PATH_PROG([XSLTPROC], [xsltproc], "no") + +AM_CONDITIONAL([BUILD_SPECIFICATIONS], + [test "x$enable_docs" != "xno" -a "x$XML2RFC" != "xno" -a "x$XSLTPROC" != "xno"]) + + +dnl Let the compiler be a bit more picky. Please note that you cannot +dnl specify these flags to the compiler before AC_CHECK_FUNCS, because +dnl the test program will generate a compilation warning and hence fail +dnl to detect the function ;-) +if test "$ICC" = "yes" +then + dnl ICC trying to be gcc. + CFLAGS="$CFLAGS -diag-disable 187 -Wall -Werror" + AC_DEFINE([_GNU_SOURCE],[1],[find sigignore on Linux]) +elif test "$GCC" = "yes" +then + GCC_VERSION=`$CC -dumpversion` + CFLAGS="$CFLAGS -Wall -Werror -pedantic -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls" + case $GCC_VERSION in + 4.4.*) + CFLAGS="$CFLAGS -fno-strict-aliasing" + ;; + esac + AC_DEFINE([_GNU_SOURCE],[1],[find sigignore on Linux]) +elif test "$SUNCC" = "yes" +then + CFLAGS="$CFLAGS -errfmt=error -errwarn -errshort=tags" +fi + +AC_CONFIG_FILES(Makefile doc/Makefile) +AC_OUTPUT diff --git a/crawler.c b/crawler.c new file mode 100755 index 0000000..56e967a --- /dev/null +++ b/crawler.c @@ -0,0 +1,692 @@ +/* Copyright 2016 Netflix. + * + * Use and distribution licensed under the BSD license. See + * the LICENSE file for full text. + */ + +/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */ +#include "memcached.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define LARGEST_ID POWER_LARGEST + +typedef struct { + void *c; /* original connection structure. still with source thread attached. */ + int sfd; /* client fd. */ + bipbuf_t *buf; /* output buffer */ + char *cbuf; /* current buffer */ +} crawler_client_t; + +typedef struct _crawler_module_t crawler_module_t; + +typedef void (*crawler_eval_func)(crawler_module_t *cm, item *it, uint32_t hv, int slab_cls); +typedef int (*crawler_init_func)(crawler_module_t *cm, void *data); // TODO: init args? +typedef void (*crawler_deinit_func)(crawler_module_t *cm); // TODO: extra args? +typedef void (*crawler_doneclass_func)(crawler_module_t *cm, int slab_cls); +typedef void (*crawler_finalize_func)(crawler_module_t *cm); + +typedef struct { + crawler_init_func init; /* run before crawl starts */ + crawler_eval_func eval; /* runs on an item. */ + crawler_doneclass_func doneclass; /* runs once per sub-crawler completion. */ + crawler_finalize_func finalize; /* runs once when all sub-crawlers are done. */ + bool needs_lock; /* whether or not we need the LRU lock held when eval is called */ + bool needs_client; /* whether or not to grab onto the remote client */ +} crawler_module_reg_t; + +struct _crawler_module_t { + void *data; /* opaque data pointer */ + crawler_client_t c; + crawler_module_reg_t *mod; +}; + +static int crawler_expired_init(crawler_module_t *cm, void *data); +static void crawler_expired_doneclass(crawler_module_t *cm, int slab_cls); +static void crawler_expired_finalize(crawler_module_t *cm); +static void crawler_expired_eval(crawler_module_t *cm, item *search, uint32_t hv, int i); + +crawler_module_reg_t crawler_expired_mod = { + .init = crawler_expired_init, + .eval = crawler_expired_eval, + .doneclass = crawler_expired_doneclass, + .finalize = crawler_expired_finalize, + .needs_lock = true, + .needs_client = false +}; + +static void crawler_metadump_eval(crawler_module_t *cm, item *search, uint32_t hv, int i); +static void crawler_metadump_finalize(crawler_module_t *cm); + +crawler_module_reg_t crawler_metadump_mod = { + .init = NULL, + .eval = crawler_metadump_eval, + .doneclass = NULL, + .finalize = crawler_metadump_finalize, + .needs_lock = false, + .needs_client = true +}; + +crawler_module_reg_t *crawler_mod_regs[3] = { + &crawler_expired_mod, + &crawler_expired_mod, + &crawler_metadump_mod +}; + +static int lru_crawler_client_getbuf(crawler_client_t *c); +crawler_module_t active_crawler_mod; +enum crawler_run_type active_crawler_type; + +static crawler crawlers[LARGEST_ID]; + +static int crawler_count = 0; +static volatile int do_run_lru_crawler_thread = 0; +static int lru_crawler_initialized = 0; +static pthread_mutex_t lru_crawler_lock = PTHREAD_MUTEX_INITIALIZER; +static pthread_cond_t lru_crawler_cond = PTHREAD_COND_INITIALIZER; +#ifdef EXTSTORE +/* TODO: pass this around */ +static void *storage; +#endif + +/* Will crawl all slab classes a minimum of once per hour */ +#define MAX_MAINTCRAWL_WAIT 60 * 60 + +/*** LRU CRAWLER THREAD ***/ + +#define LRU_CRAWLER_WRITEBUF 8192 + +static void lru_crawler_close_client(crawler_client_t *c) { + //fprintf(stderr, "CRAWLER: Closing client\n"); + sidethread_conn_close(c->c); + c->c = NULL; + c->cbuf = NULL; + bipbuf_free(c->buf); + c->buf = NULL; +} + +static void lru_crawler_release_client(crawler_client_t *c) { + //fprintf(stderr, "CRAWLER: Closing client\n"); + redispatch_conn(c->c); + c->c = NULL; + c->cbuf = NULL; + bipbuf_free(c->buf); + c->buf = NULL; +} + +static int crawler_expired_init(crawler_module_t *cm, void *data) { + struct crawler_expired_data *d; + if (data != NULL) { + d = data; + d->is_external = true; + cm->data = data; + } else { + // allocate data. + d = calloc(1, sizeof(struct crawler_expired_data)); + if (d == NULL) { + return -1; + } + // init lock. + pthread_mutex_init(&d->lock, NULL); + d->is_external = false; + d->start_time = current_time; + + cm->data = d; + } + pthread_mutex_lock(&d->lock); + memset(&d->crawlerstats, 0, sizeof(crawlerstats_t) * POWER_LARGEST); + for (int x = 0; x < POWER_LARGEST; x++) { + d->crawlerstats[x].start_time = current_time; + d->crawlerstats[x].run_complete = false; + } + pthread_mutex_unlock(&d->lock); + return 0; +} + +static void crawler_expired_doneclass(crawler_module_t *cm, int slab_cls) { + struct crawler_expired_data *d = (struct crawler_expired_data *) cm->data; + pthread_mutex_lock(&d->lock); + d->crawlerstats[slab_cls].end_time = current_time; + d->crawlerstats[slab_cls].run_complete = true; + pthread_mutex_unlock(&d->lock); +} + +static void crawler_expired_finalize(crawler_module_t *cm) { + struct crawler_expired_data *d = (struct crawler_expired_data *) cm->data; + pthread_mutex_lock(&d->lock); + d->end_time = current_time; + d->crawl_complete = true; + pthread_mutex_unlock(&d->lock); + + if (!d->is_external) { + free(d); + } +} + +/* I pulled this out to make the main thread clearer, but it reaches into the + * main thread's values too much. Should rethink again. + */ +static void crawler_expired_eval(crawler_module_t *cm, item *search, uint32_t hv, int i) { + struct crawler_expired_data *d = (struct crawler_expired_data *) cm->data; + pthread_mutex_lock(&d->lock); + crawlerstats_t *s = &d->crawlerstats[i]; + int is_flushed = item_is_flushed(search); +#ifdef EXTSTORE + bool is_valid = true; + if (search->it_flags & ITEM_HDR) { + item_hdr *hdr = (item_hdr *)ITEM_data(search); + if (extstore_check(storage, hdr->page_id, hdr->page_version) != 0) + is_valid = false; + } +#endif + if ((search->exptime != 0 && search->exptime < current_time) + || is_flushed +#ifdef EXTSTORE + || !is_valid +#endif + ) { + crawlers[i].reclaimed++; + s->reclaimed++; + + if (settings.verbose > 1) { + int ii; + char *key = ITEM_key(search); + fprintf(stderr, "LRU crawler found an expired item (flags: %d, slab: %d): ", + search->it_flags, search->slabs_clsid); + for (ii = 0; ii < search->nkey; ++ii) { + fprintf(stderr, "%c", key[ii]); + } + fprintf(stderr, "\n"); + } + if ((search->it_flags & ITEM_FETCHED) == 0 && !is_flushed) { + crawlers[i].unfetched++; + } +#ifdef EXTSTORE + STORAGE_delete(storage, search); +#endif + do_item_unlink_nolock(search, hv); + do_item_remove(search); + assert(search->slabs_clsid == 0); + } else { + s->seen++; + refcount_decr(search); + if (search->exptime == 0) { + s->noexp++; + } else if (search->exptime - current_time > 3599) { + s->ttl_hourplus++; + } else { + rel_time_t ttl_remain = search->exptime - current_time; + int bucket = ttl_remain / 60; + if (bucket <= 60) { + s->histo[bucket]++; + } + } + } + pthread_mutex_unlock(&d->lock); +} + +static void crawler_metadump_eval(crawler_module_t *cm, item *it, uint32_t hv, int i) { + //int slab_id = CLEAR_LRU(i); + char keybuf[KEY_MAX_LENGTH * 3 + 1]; + int is_flushed = item_is_flushed(it); + /* Ignore expired content. */ + if ((it->exptime != 0 && it->exptime < current_time) + || is_flushed) { + refcount_decr(it); + return; + } + // TODO: uriencode directly into the buffer. + uriencode(ITEM_key(it), keybuf, it->nkey, KEY_MAX_LENGTH * 3 + 1); + int total = snprintf(cm->c.cbuf, 4096, + "key=%s exp=%ld la=%llu cas=%llu fetch=%s cls=%u size=%lu\n", + keybuf, + (it->exptime == 0) ? -1 : (long)it->exptime + process_started, + (unsigned long long)it->time + process_started, + (unsigned long long)ITEM_get_cas(it), + (it->it_flags & ITEM_FETCHED) ? "yes" : "no", + ITEM_clsid(it), + (unsigned long) ITEM_ntotal(it)); + refcount_decr(it); + // TODO: some way of tracking the errors. these are very unlikely though. + if (total >= LRU_CRAWLER_WRITEBUF - 1 || total <= 0) { + /* Failed to write, don't push it. */ + return; + } + bipbuf_push(cm->c.buf, total); +} + +static void crawler_metadump_finalize(crawler_module_t *cm) { + if (cm->c.c != NULL) { + // Ensure space for final message. + lru_crawler_client_getbuf(&cm->c); + memcpy(cm->c.cbuf, "END\r\n", 5); + bipbuf_push(cm->c.buf, 5); + } +} + +static int lru_crawler_poll(crawler_client_t *c) { + unsigned char *data; + unsigned int data_size = 0; + struct pollfd to_poll[1]; + to_poll[0].fd = c->sfd; + to_poll[0].events = POLLOUT; + + int ret = poll(to_poll, 1, 1000); + + if (ret < 0) { + // fatal. + return -1; + } + + if (ret == 0) return 0; + + if (to_poll[0].revents & POLLIN) { + char buf[1]; + int res = read(c->sfd, buf, 1); + if (res == 0 || (res == -1 && (errno != EAGAIN && errno != EWOULDBLOCK))) { + lru_crawler_close_client(c); + return -1; + } + } + if ((data = bipbuf_peek_all(c->buf, &data_size)) != NULL) { + if (to_poll[0].revents & (POLLHUP|POLLERR)) { + lru_crawler_close_client(c); + return -1; + } else if (to_poll[0].revents & POLLOUT) { + int total = write(c->sfd, data, data_size); + if (total == -1) { + if (errno != EAGAIN && errno != EWOULDBLOCK) { + lru_crawler_close_client(c); + return -1; + } + } else if (total == 0) { + lru_crawler_close_client(c); + return -1; + } else { + bipbuf_poll(c->buf, total); + } + } + } + return 0; +} + +/* Grab some space to work with, if none exists, run the poll() loop and wait + * for it to clear up or close. + * Return NULL if closed. + */ +static int lru_crawler_client_getbuf(crawler_client_t *c) { + void *buf = NULL; + if (c->c == NULL) return -1; + /* not enough space. */ + while ((buf = bipbuf_request(c->buf, LRU_CRAWLER_WRITEBUF)) == NULL) { + // TODO: max loops before closing. + int ret = lru_crawler_poll(c); + if (ret < 0) return ret; + } + + c->cbuf = buf; + return 0; +} + +static void lru_crawler_class_done(int i) { + crawlers[i].it_flags = 0; + crawler_count--; + do_item_unlinktail_q((item *)&crawlers[i]); + do_item_stats_add_crawl(i, crawlers[i].reclaimed, + crawlers[i].unfetched, crawlers[i].checked); + pthread_mutex_unlock(&lru_locks[i]); + if (active_crawler_mod.mod->doneclass != NULL) + active_crawler_mod.mod->doneclass(&active_crawler_mod, i); +} + +static void *item_crawler_thread(void *arg) { + int i; + int crawls_persleep = settings.crawls_persleep; + + pthread_mutex_lock(&lru_crawler_lock); + pthread_cond_signal(&lru_crawler_cond); + settings.lru_crawler = true; + if (settings.verbose > 2) + fprintf(stderr, "Starting LRU crawler background thread\n"); + while (do_run_lru_crawler_thread) { + pthread_cond_wait(&lru_crawler_cond, &lru_crawler_lock); + + while (crawler_count) { + item *search = NULL; + void *hold_lock = NULL; + + for (i = POWER_SMALLEST; i < LARGEST_ID; i++) { + if (crawlers[i].it_flags != 1) { + continue; + } + + /* Get memory from bipbuf, if client has no space, flush. */ + if (active_crawler_mod.c.c != NULL) { + int ret = lru_crawler_client_getbuf(&active_crawler_mod.c); + if (ret != 0) { + lru_crawler_class_done(i); + continue; + } + } else if (active_crawler_mod.mod->needs_client) { + lru_crawler_class_done(i); + continue; + } + pthread_mutex_lock(&lru_locks[i]); + search = do_item_crawl_q((item *)&crawlers[i]); + if (search == NULL || + (crawlers[i].remaining && --crawlers[i].remaining < 1)) { + if (settings.verbose > 2) + fprintf(stderr, "Nothing left to crawl for %d\n", i); + lru_crawler_class_done(i); + continue; + } + uint32_t hv = hash(ITEM_key(search), search->nkey); + /* Attempt to hash item lock the "search" item. If locked, no + * other callers can incr the refcount + */ + if ((hold_lock = item_trylock(hv)) == NULL) { + pthread_mutex_unlock(&lru_locks[i]); + continue; + } + /* Now see if the item is refcount locked */ + if (refcount_incr(search) != 2) { + refcount_decr(search); + if (hold_lock) + item_trylock_unlock(hold_lock); + pthread_mutex_unlock(&lru_locks[i]); + continue; + } + + crawlers[i].checked++; + /* Frees the item or decrements the refcount. */ + /* Interface for this could improve: do the free/decr here + * instead? */ + if (!active_crawler_mod.mod->needs_lock) { + pthread_mutex_unlock(&lru_locks[i]); + } + + active_crawler_mod.mod->eval(&active_crawler_mod, search, hv, i); + + if (hold_lock) + item_trylock_unlock(hold_lock); + if (active_crawler_mod.mod->needs_lock) { + pthread_mutex_unlock(&lru_locks[i]); + } + + if (crawls_persleep-- <= 0 && settings.lru_crawler_sleep) { + pthread_mutex_unlock(&lru_crawler_lock); + usleep(settings.lru_crawler_sleep); + pthread_mutex_lock(&lru_crawler_lock); + crawls_persleep = settings.crawls_persleep; + } else if (!settings.lru_crawler_sleep) { + // TODO: only cycle lock every N? + pthread_mutex_unlock(&lru_crawler_lock); + pthread_mutex_lock(&lru_crawler_lock); + } + } + } + + if (active_crawler_mod.mod != NULL) { + if (active_crawler_mod.mod->finalize != NULL) + active_crawler_mod.mod->finalize(&active_crawler_mod); + while (active_crawler_mod.c.c != NULL && bipbuf_used(active_crawler_mod.c.buf)) { + lru_crawler_poll(&active_crawler_mod.c); + } + // Double checking in case the client closed during the poll + if (active_crawler_mod.c.c != NULL) { + lru_crawler_release_client(&active_crawler_mod.c); + } + active_crawler_mod.mod = NULL; + } + + if (settings.verbose > 2) + fprintf(stderr, "LRU crawler thread sleeping\n"); + + STATS_LOCK(); + stats_state.lru_crawler_running = false; + STATS_UNLOCK(); + } + pthread_mutex_unlock(&lru_crawler_lock); + if (settings.verbose > 2) + fprintf(stderr, "LRU crawler thread stopping\n"); + + return NULL; +} + +static pthread_t item_crawler_tid; + +int stop_item_crawler_thread(void) { + int ret; + pthread_mutex_lock(&lru_crawler_lock); + do_run_lru_crawler_thread = 0; + pthread_cond_signal(&lru_crawler_cond); + pthread_mutex_unlock(&lru_crawler_lock); + if ((ret = pthread_join(item_crawler_tid, NULL)) != 0) { + fprintf(stderr, "Failed to stop LRU crawler thread: %s\n", strerror(ret)); + return -1; + } + settings.lru_crawler = false; + return 0; +} + +/* Lock dance to "block" until thread is waiting on its condition: + * caller locks mtx. caller spawns thread. + * thread blocks on mutex. + * caller waits on condition, releases lock. + * thread gets lock, sends signal. + * caller can't wait, as thread has lock. + * thread waits on condition, releases lock + * caller wakes on condition, gets lock. + * caller immediately releases lock. + * thread is now safely waiting on condition before the caller returns. + */ +int start_item_crawler_thread(void) { + int ret; + + if (settings.lru_crawler) + return -1; + pthread_mutex_lock(&lru_crawler_lock); + do_run_lru_crawler_thread = 1; + if ((ret = pthread_create(&item_crawler_tid, NULL, + item_crawler_thread, NULL)) != 0) { + fprintf(stderr, "Can't create LRU crawler thread: %s\n", + strerror(ret)); + pthread_mutex_unlock(&lru_crawler_lock); + return -1; + } + /* Avoid returning until the crawler has actually started */ + pthread_cond_wait(&lru_crawler_cond, &lru_crawler_lock); + pthread_mutex_unlock(&lru_crawler_lock); + + return 0; +} + +/* 'remaining' is passed in so the LRU maintainer thread can scrub the whole + * LRU every time. + */ +static int do_lru_crawler_start(uint32_t id, uint32_t remaining) { + uint32_t sid = id; + int starts = 0; + + pthread_mutex_lock(&lru_locks[sid]); + if (crawlers[sid].it_flags == 0) { + if (settings.verbose > 2) + fprintf(stderr, "Kicking LRU crawler off for LRU %u\n", sid); + crawlers[sid].nbytes = 0; + crawlers[sid].nkey = 0; + crawlers[sid].it_flags = 1; /* For a crawler, this means enabled. */ + crawlers[sid].next = 0; + crawlers[sid].prev = 0; + crawlers[sid].time = 0; + crawlers[sid].remaining = remaining; + crawlers[sid].slabs_clsid = sid; + crawlers[sid].reclaimed = 0; + crawlers[sid].unfetched = 0; + crawlers[sid].checked = 0; + do_item_linktail_q((item *)&crawlers[sid]); + crawler_count++; + starts++; + } + pthread_mutex_unlock(&lru_locks[sid]); + if (starts) { + STATS_LOCK(); + stats_state.lru_crawler_running = true; + stats.lru_crawler_starts++; + STATS_UNLOCK(); + } + return starts; +} + +static int lru_crawler_set_client(crawler_module_t *cm, void *c, const int sfd) { + crawler_client_t *crawlc = &cm->c; + if (crawlc->c != NULL) { + return -1; + } + crawlc->c = c; + crawlc->sfd = sfd; + + crawlc->buf = bipbuf_new(1024 * 128); + if (crawlc->buf == NULL) { + return -2; + } + return 0; +} + +int lru_crawler_start(uint8_t *ids, uint32_t remaining, + const enum crawler_run_type type, void *data, + void *c, const int sfd) { + int starts = 0; + bool is_running; + static rel_time_t block_ae_until = 0; + pthread_mutex_lock(&lru_crawler_lock); + STATS_LOCK(); + is_running = stats_state.lru_crawler_running; + STATS_UNLOCK(); + if (is_running && + !(type == CRAWLER_AUTOEXPIRE && active_crawler_type == CRAWLER_AUTOEXPIRE)) { + pthread_mutex_unlock(&lru_crawler_lock); + block_ae_until = current_time + 60; + return -1; + } + + if (type == CRAWLER_AUTOEXPIRE && block_ae_until > current_time) { + pthread_mutex_unlock(&lru_crawler_lock); + return -1; + } + + /* Configure the module */ + if (!is_running) { + assert(crawler_mod_regs[type] != NULL); + active_crawler_mod.mod = crawler_mod_regs[type]; + active_crawler_type = type; + if (active_crawler_mod.mod->init != NULL) { + active_crawler_mod.mod->init(&active_crawler_mod, data); + } + if (active_crawler_mod.mod->needs_client) { + if (c == NULL || sfd == 0) { + pthread_mutex_unlock(&lru_crawler_lock); + return -2; + } + if (lru_crawler_set_client(&active_crawler_mod, c, sfd) != 0) { + pthread_mutex_unlock(&lru_crawler_lock); + return -2; + } + } + } + + /* we allow the autocrawler to restart sub-LRU's before completion */ + for (int sid = POWER_SMALLEST; sid < POWER_LARGEST; sid++) { + if (ids[sid]) + starts += do_lru_crawler_start(sid, remaining); + } + if (starts) { + pthread_cond_signal(&lru_crawler_cond); + } + pthread_mutex_unlock(&lru_crawler_lock); + return starts; +} + +/* + * Also only clear the crawlerstats once per sid. + */ +enum crawler_result_type lru_crawler_crawl(char *slabs, const enum crawler_run_type type, + void *c, const int sfd) { + char *b = NULL; + uint32_t sid = 0; + int starts = 0; + uint8_t tocrawl[POWER_LARGEST]; + + /* FIXME: I added this while debugging. Don't think it's needed? */ + memset(tocrawl, 0, sizeof(uint8_t) * POWER_LARGEST); + if (strcmp(slabs, "all") == 0) { + for (sid = 0; sid < POWER_LARGEST; sid++) { + tocrawl[sid] = 1; + } + } else { + for (char *p = strtok_r(slabs, ",", &b); + p != NULL; + p = strtok_r(NULL, ",", &b)) { + + if (!safe_strtoul(p, &sid) || sid < POWER_SMALLEST + || sid >= MAX_NUMBER_OF_SLAB_CLASSES) { + pthread_mutex_unlock(&lru_crawler_lock); + return CRAWLER_BADCLASS; + } + tocrawl[sid | TEMP_LRU] = 1; + tocrawl[sid | HOT_LRU] = 1; + tocrawl[sid | WARM_LRU] = 1; + tocrawl[sid | COLD_LRU] = 1; + } + } + + starts = lru_crawler_start(tocrawl, settings.lru_crawler_tocrawl, + type, NULL, c, sfd); + if (starts == -1) { + return CRAWLER_RUNNING; + } else if (starts == -2) { + return CRAWLER_ERROR; /* FIXME: not very helpful. */ + } else if (starts) { + return CRAWLER_OK; + } else { + return CRAWLER_NOTSTARTED; + } +} + +/* If we hold this lock, crawler can't wake up or move */ +void lru_crawler_pause(void) { + pthread_mutex_lock(&lru_crawler_lock); +} + +void lru_crawler_resume(void) { + pthread_mutex_unlock(&lru_crawler_lock); +} + +int init_lru_crawler(void *arg) { + if (lru_crawler_initialized == 0) { +#ifdef EXTSTORE + storage = arg; +#endif + if (pthread_cond_init(&lru_crawler_cond, NULL) != 0) { + fprintf(stderr, "Can't initialize lru crawler condition\n"); + return -1; + } + pthread_mutex_init(&lru_crawler_lock, NULL); + active_crawler_mod.c.c = NULL; + active_crawler_mod.mod = NULL; + active_crawler_mod.data = NULL; + lru_crawler_initialized = 1; + } + return 0; +} diff --git a/crawler.h b/crawler.h new file mode 100755 index 0000000..e009548 --- /dev/null +++ b/crawler.h @@ -0,0 +1,38 @@ +#ifndef CRAWLER_H +#define CRAWLER_H + +typedef struct { + uint64_t histo[61]; + uint64_t ttl_hourplus; + uint64_t noexp; + uint64_t reclaimed; + uint64_t seen; + rel_time_t start_time; + rel_time_t end_time; + bool run_complete; +} crawlerstats_t; + +struct crawler_expired_data { + pthread_mutex_t lock; + crawlerstats_t crawlerstats[POWER_LARGEST]; + /* redundant with crawlerstats_t so we can get overall start/stop/done */ + rel_time_t start_time; + rel_time_t end_time; + bool crawl_complete; + bool is_external; /* whether this was an alloc local or remote to the module. */ +}; + +enum crawler_result_type { + CRAWLER_OK=0, CRAWLER_RUNNING, CRAWLER_BADCLASS, CRAWLER_NOTSTARTED, CRAWLER_ERROR +}; +int start_item_crawler_thread(void); +int stop_item_crawler_thread(void); +int init_lru_crawler(void *arg); +enum crawler_result_type lru_crawler_crawl(char *slabs, enum crawler_run_type, void *c, const int sfd); +int lru_crawler_start(uint8_t *ids, uint32_t remaining, + const enum crawler_run_type type, void *data, + void *c, const int sfd); +void lru_crawler_pause(void); +void lru_crawler_resume(void); + +#endif diff --git a/crc32c.c b/crc32c.c new file mode 100755 index 0000000..13deee2 --- /dev/null +++ b/crc32c.c @@ -0,0 +1,343 @@ +/* crc32c.c -- compute CRC-32C using the Intel crc32 instruction + * Copyright (C) 2013 Mark Adler + * Version 1.1 1 Aug 2013 Mark Adler + */ + +/* + This software is provided 'as-is', without any express or implied + warranty. In no event will the author be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. + + Mark Adler + madler@alumni.caltech.edu + */ + +/* Use hardware CRC instruction on Intel SSE 4.2 processors. This computes a + CRC-32C, *not* the CRC-32 used by Ethernet and zip, gzip, etc. A software + version is provided as a fall-back, as well as for speed comparisons. */ + +/* Version history: + 1.0 10 Feb 2013 First version + 1.1 1 Aug 2013 Correct comments on why three crc instructions in parallel + */ + +/* This version has been modified by dormando for inclusion in memcached */ + +#include +#include +#include +#include +#include +#include "crc32c.h" + +/* CRC-32C (iSCSI) polynomial in reversed bit order. */ +#define POLY 0x82f63b78 + +/* Table for a quadword-at-a-time software crc. */ +static pthread_once_t crc32c_once_sw = PTHREAD_ONCE_INIT; +static uint32_t crc32c_table[8][256]; + +/* Construct table for software CRC-32C calculation. */ +static void crc32c_init_sw(void) +{ + uint32_t n, crc, k; + + for (n = 0; n < 256; n++) { + crc = n; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc = crc & 1 ? (crc >> 1) ^ POLY : crc >> 1; + crc32c_table[0][n] = crc; + } + for (n = 0; n < 256; n++) { + crc = crc32c_table[0][n]; + for (k = 1; k < 8; k++) { + crc = crc32c_table[0][crc & 0xff] ^ (crc >> 8); + crc32c_table[k][n] = crc; + } + } +} + +/* Table-driven software version as a fall-back. This is about 15 times slower + than using the hardware instructions. This assumes little-endian integers, + as is the case on Intel processors that the assembler code here is for. */ +static uint32_t crc32c_sw(uint32_t crci, const void *buf, size_t len) +{ + const unsigned char *next = buf; + uint64_t crc; + + pthread_once(&crc32c_once_sw, crc32c_init_sw); + crc = crci ^ 0xffffffff; + while (len && ((uintptr_t)next & 7) != 0) { + crc = crc32c_table[0][(crc ^ *next++) & 0xff] ^ (crc >> 8); + len--; + } + while (len >= 8) { + crc ^= *(uint64_t *)next; + crc = crc32c_table[7][crc & 0xff] ^ + crc32c_table[6][(crc >> 8) & 0xff] ^ + crc32c_table[5][(crc >> 16) & 0xff] ^ + crc32c_table[4][(crc >> 24) & 0xff] ^ + crc32c_table[3][(crc >> 32) & 0xff] ^ + crc32c_table[2][(crc >> 40) & 0xff] ^ + crc32c_table[1][(crc >> 48) & 0xff] ^ + crc32c_table[0][crc >> 56]; + next += 8; + len -= 8; + } + while (len) { + crc = crc32c_table[0][(crc ^ *next++) & 0xff] ^ (crc >> 8); + len--; + } + return (uint32_t)crc ^ 0xffffffff; +} + +/* Multiply a matrix times a vector over the Galois field of two elements, + GF(2). Each element is a bit in an unsigned integer. mat must have at + least as many entries as the power of two for most significant one bit in + vec. */ +static inline uint32_t gf2_matrix_times(uint32_t *mat, uint32_t vec) +{ + uint32_t sum; + + sum = 0; + while (vec) { + if (vec & 1) + sum ^= *mat; + vec >>= 1; + mat++; + } + return sum; +} + +/* Multiply a matrix by itself over GF(2). Both mat and square must have 32 + rows. */ +static inline void gf2_matrix_square(uint32_t *square, uint32_t *mat) +{ + int n; + + for (n = 0; n < 32; n++) + square[n] = gf2_matrix_times(mat, mat[n]); +} + +/* Construct an operator to apply len zeros to a crc. len must be a power of + two. If len is not a power of two, then the result is the same as for the + largest power of two less than len. The result for len == 0 is the same as + for len == 1. A version of this routine could be easily written for any + len, but that is not needed for this application. */ +static void crc32c_zeros_op(uint32_t *even, size_t len) +{ + int n; + uint32_t row; + uint32_t odd[32]; /* odd-power-of-two zeros operator */ + + /* put operator for one zero bit in odd */ + odd[0] = POLY; /* CRC-32C polynomial */ + row = 1; + for (n = 1; n < 32; n++) { + odd[n] = row; + row <<= 1; + } + + /* put operator for two zero bits in even */ + gf2_matrix_square(even, odd); + + /* put operator for four zero bits in odd */ + gf2_matrix_square(odd, even); + + /* first square will put the operator for one zero byte (eight zero bits), + in even -- next square puts operator for two zero bytes in odd, and so + on, until len has been rotated down to zero */ + do { + gf2_matrix_square(even, odd); + len >>= 1; + if (len == 0) + return; + gf2_matrix_square(odd, even); + len >>= 1; + } while (len); + + /* answer ended up in odd -- copy to even */ + for (n = 0; n < 32; n++) + even[n] = odd[n]; +} + +/* Take a length and build four lookup tables for applying the zeros operator + for that length, byte-by-byte on the operand. */ +static void crc32c_zeros(uint32_t zeros[][256], size_t len) +{ + uint32_t n; + uint32_t op[32]; + + crc32c_zeros_op(op, len); + for (n = 0; n < 256; n++) { + zeros[0][n] = gf2_matrix_times(op, n); + zeros[1][n] = gf2_matrix_times(op, n << 8); + zeros[2][n] = gf2_matrix_times(op, n << 16); + zeros[3][n] = gf2_matrix_times(op, n << 24); + } +} + +/* Apply the zeros operator table to crc. */ +static inline uint32_t crc32c_shift(uint32_t zeros[][256], uint32_t crc) +{ + return zeros[0][crc & 0xff] ^ zeros[1][(crc >> 8) & 0xff] ^ + zeros[2][(crc >> 16) & 0xff] ^ zeros[3][crc >> 24]; +} + +/* Block sizes for three-way parallel crc computation. LONG and SHORT must + both be powers of two. The associated string constants must be set + accordingly, for use in constructing the assembler instructions. */ +#define LONG 8192 +#define LONGx1 "8192" +#define LONGx2 "16384" +#define SHORT 256 +#define SHORTx1 "256" +#define SHORTx2 "512" + +/* Tables for hardware crc that shift a crc by LONG and SHORT zeros. */ +static pthread_once_t crc32c_once_hw = PTHREAD_ONCE_INIT; +static uint32_t crc32c_long[4][256]; +static uint32_t crc32c_short[4][256]; + +/* Initialize tables for shifting crcs. */ +static void crc32c_init_hw(void) +{ + crc32c_zeros(crc32c_long, LONG); + crc32c_zeros(crc32c_short, SHORT); +} + +/* Compute CRC-32C using the Intel hardware instruction. */ +static uint32_t crc32c_hw(uint32_t crc, const void *buf, size_t len) +{ + const unsigned char *next = buf; + const unsigned char *end; + uint64_t crc0, crc1, crc2; /* need to be 64 bits for crc32q */ + + /* populate shift tables the first time through */ + pthread_once(&crc32c_once_hw, crc32c_init_hw); + + /* pre-process the crc */ + crc0 = crc ^ 0xffffffff; + + /* compute the crc for up to seven leading bytes to bring the data pointer + to an eight-byte boundary */ + while (len && ((uintptr_t)next & 7) != 0) { + __asm__("crc32b\t" "(%1), %0" + : "=r"(crc0) + : "r"(next), "0"(crc0)); + next++; + len--; + } + + /* compute the crc on sets of LONG*3 bytes, executing three independent crc + instructions, each on LONG bytes -- this is optimized for the Nehalem, + Westmere, Sandy Bridge, and Ivy Bridge architectures, which have a + throughput of one crc per cycle, but a latency of three cycles */ + while (len >= LONG*3) { + crc1 = 0; + crc2 = 0; + end = next + LONG; + do { + __asm__("crc32q\t" "(%3), %0\n\t" + "crc32q\t" LONGx1 "(%3), %1\n\t" + "crc32q\t" LONGx2 "(%3), %2" + : "=r"(crc0), "=r"(crc1), "=r"(crc2) + : "r"(next), "0"(crc0), "1"(crc1), "2"(crc2)); + next += 8; + } while (next < end); + crc0 = crc32c_shift(crc32c_long, crc0) ^ crc1; + crc0 = crc32c_shift(crc32c_long, crc0) ^ crc2; + next += LONG*2; + len -= LONG*3; + } + + /* do the same thing, but now on SHORT*3 blocks for the remaining data less + than a LONG*3 block */ + while (len >= SHORT*3) { + crc1 = 0; + crc2 = 0; + end = next + SHORT; + do { + __asm__("crc32q\t" "(%3), %0\n\t" + "crc32q\t" SHORTx1 "(%3), %1\n\t" + "crc32q\t" SHORTx2 "(%3), %2" + : "=r"(crc0), "=r"(crc1), "=r"(crc2) + : "r"(next), "0"(crc0), "1"(crc1), "2"(crc2)); + next += 8; + } while (next < end); + crc0 = crc32c_shift(crc32c_short, crc0) ^ crc1; + crc0 = crc32c_shift(crc32c_short, crc0) ^ crc2; + next += SHORT*2; + len -= SHORT*3; + } + + /* compute the crc on the remaining eight-byte units less than a SHORT*3 + block */ + end = next + (len - (len & 7)); + while (next < end) { + __asm__("crc32q\t" "(%1), %0" + : "=r"(crc0) + : "r"(next), "0"(crc0)); + next += 8; + } + len &= 7; + + /* compute the crc for up to seven trailing bytes */ + while (len) { + __asm__("crc32b\t" "(%1), %0" + : "=r"(crc0) + : "r"(next), "0"(crc0)); + next++; + len--; + } + + /* return a post-processed crc */ + return (uint32_t)crc0 ^ 0xffffffff; +} + +/* Check for SSE 4.2. SSE 4.2 was first supported in Nehalem processors + introduced in November, 2008. This does not check for the existence of the + cpuid instruction itself, which was introduced on the 486SL in 1992, so this + will fail on earlier x86 processors. cpuid works on all Pentium and later + processors. */ +#define SSE42(have) \ + do { \ + uint32_t eax, ecx; \ + eax = 1; \ + __asm__("cpuid" \ + : "=c"(ecx) \ + : "a"(eax) \ + : "%ebx", "%edx"); \ + (have) = (ecx >> 20) & 1; \ + } while (0) + +/* Compute a CRC-32C. If the crc32 instruction is available, use the hardware + version. Otherwise, use the software version. */ +void crc32c_init(void) { + int sse42; + + SSE42(sse42); + if (sse42) { + crc32c = crc32c_hw; + } else { + crc32c = crc32c_sw; + } +} diff --git a/crc32c.h b/crc32c.h new file mode 100755 index 0000000..8b030de --- /dev/null +++ b/crc32c.h @@ -0,0 +1,9 @@ +#ifndef CRC32C_H +#define CRC32C_H + +typedef uint32_t (*crc_func)(uint32_t crc, const void *buf, size_t len); +crc_func crc32c; + +void crc32c_init(void); + +#endif /* CRC32C_H */ diff --git a/daemon.c b/daemon.c new file mode 100755 index 0000000..0485453 --- /dev/null +++ b/daemon.c @@ -0,0 +1,89 @@ +/* $Header: /cvsroot/wikipedia/willow/src/bin/willow/daemon.c,v 1.1 2005/05/02 19:15:21 kateturner Exp $ */ +/* $NetBSD: daemon.c,v 1.9 2003/08/07 16:42:46 agc Exp $ */ +/*- + * Copyright (c) 1990, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if defined __SUNPRO_C || defined __DECC || defined __HP_cc +# pragma ident "@(#)$Header: /cvsroot/wikipedia/willow/src/bin/willow/daemon.c,v 1.1 2005/05/02 19:15:21 kateturner Exp $" +# pragma ident "$NetBSD: daemon.c,v 1.9 2003/08/07 16:42:46 agc Exp $" +#endif + +#include +#include +#include +#include + +#include "memcached.h" + +int daemonize(int nochdir, int noclose) +{ + int fd; + + switch (fork()) { + case -1: + return (-1); + case 0: + break; + default: + _exit(EXIT_SUCCESS); + } + + if (setsid() == -1) + return (-1); + + if (nochdir == 0) { + if(chdir("/") != 0) { + perror("chdir"); + return (-1); + } + } + + if (noclose == 0 && (fd = open("/dev/null", O_RDWR, 0)) != -1) { + if(dup2(fd, STDIN_FILENO) < 0) { + perror("dup2 stdin"); + return (-1); + } + if(dup2(fd, STDOUT_FILENO) < 0) { + perror("dup2 stdout"); + return (-1); + } + if(dup2(fd, STDERR_FILENO) < 0) { + perror("dup2 stderr"); + return (-1); + } + + if (fd > STDERR_FILENO) { + if(close(fd) < 0) { + perror("close"); + return (-1); + } + } + } + return (0); +} diff --git a/depcomp b/depcomp new file mode 100755 index 0000000..fc98710 --- /dev/null +++ b/depcomp @@ -0,0 +1,791 @@ +#! /bin/sh +# depcomp - compile a program generating dependencies as side-effects + +scriptversion=2013-05-30.07; # UTC + +# Copyright (C) 1999-2014 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + +# Originally written by Alexandre Oliva . + +case $1 in + '') + echo "$0: No command. Try '$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by 'PROGRAMS ARGS'. + object Object file output by 'PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputting dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to . +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + +# Get the directory component of the given path, and save it in the +# global variables '$dir'. Note that this directory component will +# be either empty or ending with a '/' character. This is deliberate. +set_dir_from () +{ + case $1 in + */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;; + *) dir=;; + esac +} + +# Get the suffix-stripped basename of the given path, and save it the +# global variable '$base'. +set_base_from () +{ + base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'` +} + +# If no dependency file was actually created by the compiler invocation, +# we still have to create a dummy depfile, to avoid errors with the +# Makefile "include basename.Plo" scheme. +make_dummy_depfile () +{ + echo "#dummy" > "$depfile" +} + +# Factor out some common post-processing of the generated depfile. +# Requires the auxiliary global variable '$tmpdepfile' to be set. +aix_post_process_depfile () +{ + # If the compiler actually managed to produce a dependency file, + # post-process it. + if test -f "$tmpdepfile"; then + # Each line is of the form 'foo.o: dependency.h'. + # Do two passes, one to just change these to + # $object: dependency.h + # and one to simply output + # dependency.h: + # which is needed to avoid the deleted-header problem. + { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile" + sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile" + } > "$depfile" + rm -f "$tmpdepfile" + else + make_dummy_depfile + fi +} + +# A tabulation character. +tab=' ' +# A newline character. +nl=' +' +# Character ranges might be problematic outside the C locale. +# These definitions help. +upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ +lower=abcdefghijklmnopqrstuvwxyz +digits=0123456789 +alpha=${upper}${lower} + +if test -z "$depmode" || test -z "$source" || test -z "$object"; then + echo "depcomp: Variables source, object and depmode must be set" 1>&2 + exit 1 +fi + +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} +tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} + +rm -f "$tmpdepfile" + +# Avoid interferences from the environment. +gccflag= dashmflag= + +# Some modes work just like other modes, but use different flags. We +# parameterize here, but still list the modes in the big case below, +# to make depend.m4 easier to write. Note that we *cannot* use a case +# here, because this file can only contain one case statement. +if test "$depmode" = hp; then + # HP compiler uses -M and no extra arg. + gccflag=-M + depmode=gcc +fi + +if test "$depmode" = dashXmstdout; then + # This is just like dashmstdout with a different argument. + dashmflag=-xM + depmode=dashmstdout +fi + +cygpath_u="cygpath -u -f -" +if test "$depmode" = msvcmsys; then + # This is just like msvisualcpp but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvisualcpp +fi + +if test "$depmode" = msvc7msys; then + # This is just like msvc7 but w/o cygpath translation. + # Just convert the backslash-escaped backslashes to single forward + # slashes to satisfy depend.m4 + cygpath_u='sed s,\\\\,/,g' + depmode=msvc7 +fi + +if test "$depmode" = xlc; then + # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. + gccflag=-qmakedep=gcc,-MF + depmode=gcc +fi + +case "$depmode" in +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" + ;; + +gcc) +## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. +## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. +## (see the conditional assignment to $gccflag above). +## There are various ways to get dependency output from gcc. Here's +## why we pick this rather obscure method: +## - Don't want to use -MD because we'd like the dependencies to end +## up in a subdir. Having to rename by hand is ugly. +## (We might end up doing this anyway to support other compilers.) +## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like +## -MM, not -M (despite what the docs say). Also, it might not be +## supported by the other compilers which use the 'gcc' depmode. +## - Using -M directly means running the compiler twice (even worse +## than renaming). + if test -z "$gccflag"; then + gccflag=-MD, + fi + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The second -e expression handles DOS-style file names with drive + # letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" +## This next piece of magic avoids the "deleted header file" problem. +## The problem is that when a header file which appears in a .P file +## is deleted, the dependency causes make to die (because there is +## typically no way to rebuild the header). We avoid this by adding +## dummy dependencies for each header file. Too bad gcc doesn't do +## this for us directly. +## Some versions of gcc put a space before the ':'. On the theory +## that the space means something, we add a space to the output as +## well. hp depmode also adds that space, but also prefixes the VPATH +## to the object. Take care to not repeat it in the output. +## Some versions of the HPUX 10.20 sed can't process this invocation +## correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" + else + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like '#:fec' to the end of the + # dependency line. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' \ + | tr "$nl" ' ' >> "$depfile" + echo >> "$depfile" + # The second pass generates a dummy entry for each header file. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" + ;; + +xlc) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts '$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u + "$@" -Wc,-M + else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u + "$@" -M + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + aix_post_process_depfile + ;; + +tcc) + # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26 + # FIXME: That version still under development at the moment of writing. + # Make that this statement remains true also for stable, released + # versions. + # It will wrap lines (doesn't matter whether long or short) with a + # trailing '\', as in: + # + # foo.o : \ + # foo.c \ + # foo.h \ + # + # It will put a trailing '\' even on the last line, and will use leading + # spaces rather than leading tabs (at least since its commit 0394caf7 + # "Emit spaces for -MD"). + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'. + # We have to change lines of the first kind to '$object: \'. + sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile" + # And for each line of the second kind, we have to emit a 'dep.h:' + # dummy dependency, to avoid the deleted-header problem. + sed -n -e 's|^ *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile" + rm -f "$tmpdepfile" + ;; + +## The order of this option in the case statement is important, since the +## shell code in configure will try each of these formats in the order +## listed in this file. A plain '-MD' option would be understood by many +## compilers, so we must ensure this comes after the gcc and icc options. +pgcc) + # Portland's C compiler understands '-MD'. + # Will always output deps to 'file.d' where file is the root name of the + # source file under compilation, even if file resides in a subdirectory. + # The object file name does not affect the name of the '.d' file. + # pgcc 10.2 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using '\' : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + set_dir_from "$object" + # Use the source, not the object, to determine the base name, since + # that's sadly what pgcc will do too. + set_base_from "$source" + tmpdepfile=$base.d + + # For projects that build the same source file twice into different object + # files, the pgcc approach of using the *source* file root name can cause + # problems in parallel builds. Use a locking strategy to avoid stomping on + # the same $tmpdepfile. + lockdir=$base.d-lock + trap " + echo '$0: caught signal, cleaning up...' >&2 + rmdir '$lockdir' + exit 1 + " 1 2 13 15 + numtries=100 + i=$numtries + while test $i -gt 0; do + # mkdir is a portable test-and-set. + if mkdir "$lockdir" 2>/dev/null; then + # This process acquired the lock. + "$@" -MD + stat=$? + # Release the lock. + rmdir "$lockdir" + break + else + # If the lock is being held by a different process, wait + # until the winning process is done or we timeout. + while test -d "$lockdir" && test $i -gt 0; do + sleep 1 + i=`expr $i - 1` + done + fi + i=`expr $i - 1` + done + trap - 1 2 13 15 + if test $i -le 0; then + echo "$0: failed to acquire lock after $numtries attempts" >&2 + echo "$0: check lockdir '$lockdir'" >&2 + exit 1 + fi + + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + set_dir_from "$object" + set_base_from "$object" + if test "$libtool" = yes; then + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile" + # Add 'dependent.h:' lines. + sed -ne '2,${ + s/^ *// + s/ \\*$// + s/$/:/ + p + }' "$tmpdepfile" >> "$depfile" + else + make_dummy_depfile + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in 'foo.d' instead, so we check for that too. + # Subdirectories are respected. + set_dir_from "$object" + set_base_from "$object" + + if test "$libtool" = yes; then + # Libtool generates 2 separate objects for the 2 libraries. These + # two compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir$base.o.d # libtool 1.5 + tmpdepfile2=$dir.libs/$base.o.d # Likewise. + tmpdepfile3=$dir.libs/$base.d # Compaq CCC V6.2-504 + "$@" -Wc,-MD + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + "$@" -MD + fi + + stat=$? + if test $stat -ne 0; then + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done + # Same post-processing that is required for AIX mode. + aix_post_process_depfile + ;; + +msvc7) + if test "$libtool" = yes; then + showIncludes=-Wc,-showIncludes + else + showIncludes=-showIncludes + fi + "$@" $showIncludes > "$tmpdepfile" + stat=$? + grep -v '^Note: including file: ' "$tmpdepfile" + if test $stat -ne 0; then + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + echo "$object : \\" > "$depfile" + # The first sed program below extracts the file names and escapes + # backslashes for cygpath. The second sed program outputs the file + # name when reading, but also accumulates all include files in the + # hold buffer in order to output them again at the end. This only + # works with sed implementations that can handle large buffers. + sed < "$tmpdepfile" -n ' +/^Note: including file: *\(.*\)/ { + s//\1/ + s/\\/\\\\/g + p +}' | $cygpath_u | sort -u | sed -n ' +s/ /\\ /g +s/\(.*\)/'"$tab"'\1 \\/p +s/.\(.*\) \\/\1:/ +H +$ { + s/.*/'"$tab"'/ + G + p +}' >> "$depfile" + echo >> "$depfile" # make sure the fragment doesn't end with a backslash + rm -f "$tmpdepfile" + ;; + +msvc7msys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +#nosideeffect) + # This comment above is used by automake to tell side-effect + # dependency tracking mechanisms from slower ones. + +dashmstdout) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for ':' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. + "$@" $dashmflag | + sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile" + rm -f "$depfile" + cat < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this sed invocation + # correctly. Breaking it into two sed invocations is a workaround. + tr ' ' "$nl" < "$tmpdepfile" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +dashXmstdout) + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 + ;; + +makedepend) + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + # X makedepend + shift + cleared=no eat=no + for arg + do + case $cleared in + no) + set ""; shift + cleared=yes ;; + esac + if test $eat = yes; then + eat=no + continue + fi + case "$arg" in + -D*|-I*) + set fnord "$@" "$arg"; shift ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -arch) + eat=yes ;; + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix=`echo "$object" | sed 's/^.*\././'` + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" + # makedepend may prepend the VPATH from the source file name to the object. + # No need to regex-escape $object, excess matching of '.' is harmless. + sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process the last invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed '1,2d' "$tmpdepfile" \ + | tr ' ' "$nl" \ + | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \ + | sed -e 's/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" "$tmpdepfile".bak + ;; + +cpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + # Remove '-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E \ + | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + | sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test "X$1" != 'X--mode=compile'; do + shift + done + shift + fi + + IFS=" " + for arg + do + case "$arg" in + -o) + shift + ;; + $object) + shift + ;; + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) + set fnord "$@" "$arg" + shift + shift + ;; + esac + done + "$@" -E 2>/dev/null | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" + echo "$tab" >> "$depfile" + sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvcmsys) + # This case exists only to let depend.m4 do its work. It works by + # looking at the text of this script. This case will never be run, + # since it is checked for above. + exit 1 + ;; + +none) + exec "$@" + ;; + +*) + echo "Unknown depmode $depmode" 1>&2 + exit 1 + ;; +esac + +exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-time-zone: "UTC" +# time-stamp-end: "; # UTC" +# End: diff --git a/doc/CONTRIBUTORS b/doc/CONTRIBUTORS new file mode 100755 index 0000000..3379c0f --- /dev/null +++ b/doc/CONTRIBUTORS @@ -0,0 +1,46 @@ +MEMCACHED CONTRIBUTORS + +This file contains a list of people who have contributed code and +effort to the memcached project. If you don't see your name mentioned +send email to the memcached mailing list so you can be immortalized. + +Also see the ChangeLog for even more people who have helped over the +years by submitting fixes, patches and reporting bugs. + +A list is generated from git here: http://memcached.org/about + +Major authors: +-------------- + +Brad Fitzpatrick -- maintainer, original implementations + +Anatoly Vorobey -- lots of the modern server code + +Steven Grimm -- iov writing (less CPU), UDP mode, + non-2.0 slab mantissas, multithread, ... + +Other Contributors +------------------ + +Evan Martin +Nathan Neulinger +Eric Hodel +Michael Johnson +Paul Querna +Jamie McCarthy +Philip Neustrom +Andrew O'Brien +Josh Rotenberg +Robin H. Johnson +Tim Yardley +Paolo Borelli +Eli Bingham +Jean-Francois Bustarret +Paul G +Paul Lindner +Dormando +Dustin Sallings +Chris Goffinet +Tomash Brechko +Brian Aker +Trond Norbye diff --git a/doc/Doxyfile b/doc/Doxyfile new file mode 100755 index 0000000..580730d --- /dev/null +++ b/doc/Doxyfile @@ -0,0 +1,1258 @@ +# Doxyfile 1.5.2 + +# This file describes the settings to be used by the documentation system +# doxygen (www.doxygen.org) for a project +# +# All text after a hash (#) is considered a comment and will be ignored +# The format is: +# TAG = value [value, ...] +# For lists items can also be appended using: +# TAG += value [value, ...] +# Values that contain spaces should be placed between quotes (" ") + +#--------------------------------------------------------------------------- +# Project related configuration options +#--------------------------------------------------------------------------- + +# This tag specifies the encoding used for all characters in the config file that +# follow. The default is UTF-8 which is also the encoding used for all text before +# the first occurrence of this tag. Doxygen uses libiconv (or the iconv built into +# libc) for the transcoding. See http://www.gnu.org/software/libiconv for the list of +# possible encodings. + +DOXYFILE_ENCODING = UTF-8 + +# The PROJECT_NAME tag is a single word (or a sequence of words surrounded +# by quotes) that should identify the project. + +PROJECT_NAME = memcached + +# The PROJECT_NUMBER tag can be used to enter a project or revision number. +# This could be handy for archiving the generated documentation or +# if some version control system is used. + +PROJECT_NUMBER = 0.8 + +# The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) +# base path where the generated documentation will be put. +# If a relative path is entered, it will be relative to the location +# where doxygen was started. If left blank the current directory will be used. + +OUTPUT_DIRECTORY = doxygen + +# If the CREATE_SUBDIRS tag is set to YES, then doxygen will create +# 4096 sub-directories (in 2 levels) under the output directory of each output +# format and will distribute the generated files over these directories. +# Enabling this option can be useful when feeding doxygen a huge amount of +# source files, where putting all generated files in the same directory would +# otherwise cause performance problems for the file system. + +CREATE_SUBDIRS = NO + +# The OUTPUT_LANGUAGE tag is used to specify the language in which all +# documentation generated by doxygen is written. Doxygen will use this +# information to generate all constant output in the proper language. +# The default language is English, other supported languages are: +# Afrikaans, Arabic, Brazilian, Catalan, Chinese, Chinese-Traditional, +# Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hungarian, +# Italian, Japanese, Japanese-en (Japanese with English messages), Korean, +# Korean-en, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, +# Serbian, Slovak, Slovene, Spanish, Swedish, and Ukrainian. + +OUTPUT_LANGUAGE = English + +# If the BRIEF_MEMBER_DESC tag is set to YES (the default) Doxygen will +# include brief member descriptions after the members that are listed in +# the file and class documentation (similar to JavaDoc). +# Set to NO to disable this. + +BRIEF_MEMBER_DESC = YES + +# If the REPEAT_BRIEF tag is set to YES (the default) Doxygen will prepend +# the brief description of a member or function before the detailed description. +# Note: if both HIDE_UNDOC_MEMBERS and BRIEF_MEMBER_DESC are set to NO, the +# brief descriptions will be completely suppressed. + +REPEAT_BRIEF = NO + +# This tag implements a quasi-intelligent brief description abbreviator +# that is used to form the text in various listings. Each string +# in this list, if found as the leading text of the brief description, will be +# stripped from the text and the result after processing the whole list, is +# used as the annotated text. Otherwise, the brief description is used as-is. +# If left blank, the following values are used ("$name" is automatically +# replaced with the name of the entity): "The $name class" "The $name widget" +# "The $name file" "is" "provides" "specifies" "contains" +# "represents" "a" "an" "the" + +ABBREVIATE_BRIEF = + +# If the ALWAYS_DETAILED_SEC and REPEAT_BRIEF tags are both set to YES then +# Doxygen will generate a detailed section even if there is only a brief +# description. + +ALWAYS_DETAILED_SEC = YES + +# If the INLINE_INHERITED_MEMB tag is set to YES, doxygen will show all +# inherited members of a class in the documentation of that class as if those +# members were ordinary class members. Constructors, destructors and assignment +# operators of the base classes will not be shown. + +INLINE_INHERITED_MEMB = NO + +# If the FULL_PATH_NAMES tag is set to YES then Doxygen will prepend the full +# path before files name in the file list and in the header files. If set +# to NO the shortest path that makes the file name unique will be used. + +FULL_PATH_NAMES = NO + +# If the FULL_PATH_NAMES tag is set to YES then the STRIP_FROM_PATH tag +# can be used to strip a user-defined part of the path. Stripping is +# only done if one of the specified strings matches the left-hand part of +# the path. The tag can be used to show relative paths in the file list. +# If left blank the directory from which doxygen is run is used as the +# path to strip. + +STRIP_FROM_PATH = + +# The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of +# the path mentioned in the documentation of a class, which tells +# the reader which header file to include in order to use a class. +# If left blank only the name of the header file containing the class +# definition is used. Otherwise one should specify the include paths that +# are normally passed to the compiler using the -I flag. + +STRIP_FROM_INC_PATH = + +# If the SHORT_NAMES tag is set to YES, doxygen will generate much shorter +# (but less readable) file names. This can be useful is your file systems +# doesn't support long names like on DOS, Mac, or CD-ROM. + +SHORT_NAMES = NO + +# If the JAVADOC_AUTOBRIEF tag is set to YES then Doxygen +# will interpret the first line (until the first dot) of a JavaDoc-style +# comment as the brief description. If set to NO, the JavaDoc +# comments will behave just like the Qt-style comments (thus requiring an +# explicit @brief command for a brief description. + +JAVADOC_AUTOBRIEF = NO + +# The MULTILINE_CPP_IS_BRIEF tag can be set to YES to make Doxygen +# treat a multi-line C++ special comment block (i.e. a block of //! or /// +# comments) as a brief description. This used to be the default behaviour. +# The new default is to treat a multi-line C++ comment block as a detailed +# description. Set this tag to YES if you prefer the old behaviour instead. + +MULTILINE_CPP_IS_BRIEF = NO + +# If the DETAILS_AT_TOP tag is set to YES then Doxygen +# will output the detailed description near the top, like JavaDoc. +# If set to NO, the detailed description appears after the member +# documentation. + +DETAILS_AT_TOP = NO + +# If the INHERIT_DOCS tag is set to YES (the default) then an undocumented +# member inherits the documentation from any documented member that it +# re-implements. + +INHERIT_DOCS = YES + +# If the SEPARATE_MEMBER_PAGES tag is set to YES, then doxygen will produce +# a new page for each member. If set to NO, the documentation of a member will +# be part of the file/class/namespace that contains it. + +SEPARATE_MEMBER_PAGES = NO + +# The TAB_SIZE tag can be used to set the number of spaces in a tab. +# Doxygen uses this value to replace tabs by spaces in code fragments. + +TAB_SIZE = 8 + +# This tag can be used to specify a number of aliases that acts +# as commands in the documentation. An alias has the form "name=value". +# For example adding "sideeffect=\par Side Effects:\n" will allow you to +# put the command \sideeffect (or @sideeffect) in the documentation, which +# will result in a user-defined paragraph with heading "Side Effects:". +# You can put \n's in the value part of an alias to insert newlines. + +ALIASES = + +# Set the OPTIMIZE_OUTPUT_FOR_C tag to YES if your project consists of C +# sources only. Doxygen will then generate output that is more tailored for C. +# For instance, some of the names that are used will be different. The list +# of all members will be omitted, etc. + +OPTIMIZE_OUTPUT_FOR_C = NO + +# Set the OPTIMIZE_OUTPUT_JAVA tag to YES if your project consists of Java +# sources only. Doxygen will then generate output that is more tailored for Java. +# For instance, namespaces will be presented as packages, qualified scopes +# will look different, etc. + +OPTIMIZE_OUTPUT_JAVA = NO + +# If you use STL classes (i.e. std::string, std::vector, etc.) but do not want to +# include (a tag file for) the STL sources as input, then you should +# set this tag to YES in order to let doxygen match functions declarations and +# definitions whose arguments contain STL classes (e.g. func(std::string); v.s. +# func(std::string) {}). This also make the inheritance and collaboration +# diagrams that involve STL classes more complete and accurate. + +BUILTIN_STL_SUPPORT = NO + +# If you use Microsoft's C++/CLI language, you should set this option to YES to +# enable parsing support. + +CPP_CLI_SUPPORT = NO + +# If member grouping is used in the documentation and the DISTRIBUTE_GROUP_DOC +# tag is set to YES, then doxygen will reuse the documentation of the first +# member in the group (if any) for the other members of the group. By default +# all members of a group must be documented explicitly. + +DISTRIBUTE_GROUP_DOC = NO + +# Set the SUBGROUPING tag to YES (the default) to allow class member groups of +# the same type (for instance a group of public functions) to be put as a +# subgroup of that type (e.g. under the Public Functions section). Set it to +# NO to prevent subgrouping. Alternatively, this can be done per class using +# the \nosubgrouping command. + +SUBGROUPING = YES + +#--------------------------------------------------------------------------- +# Build related configuration options +#--------------------------------------------------------------------------- + +# If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in +# documentation are documented, even if no documentation was available. +# Private class members and static file members will be hidden unless +# the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES + +EXTRACT_ALL = YES + +# If the EXTRACT_PRIVATE tag is set to YES all private members of a class +# will be included in the documentation. + +EXTRACT_PRIVATE = NO + +# If the EXTRACT_STATIC tag is set to YES all static members of a file +# will be included in the documentation. + +EXTRACT_STATIC = NO + +# If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) +# defined locally in source files will be included in the documentation. +# If set to NO only classes defined in header files are included. + +EXTRACT_LOCAL_CLASSES = YES + +# This flag is only useful for Objective-C code. When set to YES local +# methods, which are defined in the implementation section but not in +# the interface are included in the documentation. +# If set to NO (the default) only methods in the interface are included. + +EXTRACT_LOCAL_METHODS = NO + +# If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all +# undocumented members of documented classes, files or namespaces. +# If set to NO (the default) these members will be included in the +# various overviews, but no documentation section is generated. +# This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_MEMBERS = NO + +# If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all +# undocumented classes that are normally visible in the class hierarchy. +# If set to NO (the default) these classes will be included in the various +# overviews. This option has no effect if EXTRACT_ALL is enabled. + +HIDE_UNDOC_CLASSES = NO + +# If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all +# friend (class|struct|union) declarations. +# If set to NO (the default) these declarations will be included in the +# documentation. + +HIDE_FRIEND_COMPOUNDS = NO + +# If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any +# documentation blocks found inside the body of a function. +# If set to NO (the default) these blocks will be appended to the +# function's detailed documentation block. + +HIDE_IN_BODY_DOCS = NO + +# The INTERNAL_DOCS tag determines if documentation +# that is typed after a \internal command is included. If the tag is set +# to NO (the default) then the documentation will be excluded. +# Set it to YES to include the internal documentation. + +INTERNAL_DOCS = YES + +# If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate +# file names in lower-case letters. If set to YES upper-case letters are also +# allowed. This is useful if you have classes or files whose names only differ +# in case and if your file system supports case sensitive file names. Windows +# and Mac users are advised to set this option to NO. + +CASE_SENSE_NAMES = YES + +# If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen +# will show members with their full class and namespace scopes in the +# documentation. If set to YES the scope will be hidden. + +HIDE_SCOPE_NAMES = NO + +# If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen +# will put a list of the files that are included by a file in the documentation +# of that file. + +SHOW_INCLUDE_FILES = YES + +# If the INLINE_INFO tag is set to YES (the default) then a tag [inline] +# is inserted in the documentation for inline members. + +INLINE_INFO = YES + +# If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen +# will sort the (detailed) documentation of file and class members +# alphabetically by member name. If set to NO the members will appear in +# declaration order. + +SORT_MEMBER_DOCS = NO + +# If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the +# brief documentation of file, namespace and class members alphabetically +# by member name. If set to NO (the default) the members will appear in +# declaration order. + +SORT_BRIEF_DOCS = NO + +# If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be +# sorted by fully-qualified names, including namespaces. If set to +# NO (the default), the class list will be sorted only by class name, +# not including the namespace part. +# Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. +# Note: This option applies only to the class list, not to the +# alphabetical list. + +SORT_BY_SCOPE_NAME = NO + +# The GENERATE_TODOLIST tag can be used to enable (YES) or +# disable (NO) the todo list. This list is created by putting \todo +# commands in the documentation. + +GENERATE_TODOLIST = YES + +# The GENERATE_TESTLIST tag can be used to enable (YES) or +# disable (NO) the test list. This list is created by putting \test +# commands in the documentation. + +GENERATE_TESTLIST = YES + +# The GENERATE_BUGLIST tag can be used to enable (YES) or +# disable (NO) the bug list. This list is created by putting \bug +# commands in the documentation. + +GENERATE_BUGLIST = YES + +# The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or +# disable (NO) the deprecated list. This list is created by putting +# \deprecated commands in the documentation. + +GENERATE_DEPRECATEDLIST= YES + +# The ENABLED_SECTIONS tag can be used to enable conditional +# documentation sections, marked by \if sectionname ... \endif. + +ENABLED_SECTIONS = + +# The MAX_INITIALIZER_LINES tag determines the maximum number of lines +# the initial value of a variable or define consists of for it to appear in +# the documentation. If the initializer consists of more lines than specified +# here it will be hidden. Use a value of 0 to hide initializers completely. +# The appearance of the initializer of individual variables and defines in the +# documentation can be controlled using \showinitializer or \hideinitializer +# command in the documentation regardless of this setting. + +MAX_INITIALIZER_LINES = 30 + +# Set the SHOW_USED_FILES tag to NO to disable the list of files generated +# at the bottom of the documentation of classes and structs. If set to YES the +# list will mention the files that were used to generate the documentation. + +SHOW_USED_FILES = YES + +# If the sources in your project are distributed over multiple directories +# then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy +# in the documentation. The default is NO. + +SHOW_DIRECTORIES = NO + +# The FILE_VERSION_FILTER tag can be used to specify a program or script that +# doxygen should invoke to get the current version for each file (typically from the +# version control system). Doxygen will invoke the program by executing (via +# popen()) the command , where is the value of +# the FILE_VERSION_FILTER tag, and is the name of an input file +# provided by doxygen. Whatever the program writes to standard output +# is used as the file version. See the manual for examples. + +FILE_VERSION_FILTER = + +#--------------------------------------------------------------------------- +# configuration options related to warning and progress messages +#--------------------------------------------------------------------------- + +# The QUIET tag can be used to turn on/off the messages that are generated +# by doxygen. Possible values are YES and NO. If left blank NO is used. + +QUIET = NO + +# The WARNINGS tag can be used to turn on/off the warning messages that are +# generated by doxygen. Possible values are YES and NO. If left blank +# NO is used. + +WARNINGS = YES + +# If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings +# for undocumented members. If EXTRACT_ALL is set to YES then this flag will +# automatically be disabled. + +WARN_IF_UNDOCUMENTED = YES + +# If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for +# potential errors in the documentation, such as not documenting some +# parameters in a documented function, or documenting parameters that +# don't exist or using markup commands wrongly. + +WARN_IF_DOC_ERROR = YES + +# This WARN_NO_PARAMDOC option can be enabled to get warnings for +# functions that are documented, but have no documentation for their parameters +# or return value. If set to NO (the default) doxygen will only warn about +# wrong or incomplete parameter documentation, but not about the absence of +# documentation. + +WARN_NO_PARAMDOC = NO + +# The WARN_FORMAT tag determines the format of the warning messages that +# doxygen can produce. The string should contain the $file, $line, and $text +# tags, which will be replaced by the file and line number from which the +# warning originated and the warning text. Optionally the format may contain +# $version, which will be replaced by the version of the file (if it could +# be obtained via FILE_VERSION_FILTER) + +WARN_FORMAT = "$file:$line: $text" + +# The WARN_LOGFILE tag can be used to specify a file to which warning +# and error messages should be written. If left blank the output is written +# to stderr. + +WARN_LOGFILE = + +#--------------------------------------------------------------------------- +# configuration options related to the input files +#--------------------------------------------------------------------------- + +# The INPUT tag can be used to specify the files and/or directories that contain +# documented source files. You may enter file names like "myfile.cpp" or +# directories like "/usr/src/myproject". Separate the files or directories +# with spaces. + +INPUT = .. + +# This tag can be used to specify the character encoding of the source files that +# doxygen parses. Internally doxygen uses the UTF-8 encoding, which is also the default +# input encoding. Doxygen uses libiconv (or the iconv built into libc) for the transcoding. +# See http://www.gnu.org/software/libiconv for the list of possible encodings. + +INPUT_ENCODING = UTF-8 + +# If the value of the INPUT tag contains directories, you can use the +# FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank the following patterns are tested: +# *.c *.cc *.cxx *.cpp *.c++ *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh *.hxx +# *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.py + +FILE_PATTERNS = *.h \ + *.c + +# The RECURSIVE tag can be used to turn specify whether or not subdirectories +# should be searched for input files as well. Possible values are YES and NO. +# If left blank NO is used. + +RECURSIVE = NO + +# The EXCLUDE tag can be used to specify files and/or directories that should +# excluded from the INPUT source files. This way you can easily exclude a +# subdirectory from a directory tree whose root is specified with the INPUT tag. + +EXCLUDE = config.h + +# The EXCLUDE_SYMLINKS tag can be used select whether or not files or +# directories that are symbolic links (a Unix filesystem feature) are excluded +# from the input. + +EXCLUDE_SYMLINKS = NO + +# If the value of the INPUT tag contains directories, you can use the +# EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude +# certain files from those directories. Note that the wildcards are matched +# against the file with absolute path, so to exclude all test directories +# for example use the pattern */test/* + +EXCLUDE_PATTERNS = + +# The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names +# (namespaces, classes, functions, etc.) that should be excluded from the output. +# The symbol name can be a fully qualified name, a word, or if the wildcard * is used, +# a substring. Examples: ANamespace, AClass, AClass::ANamespace, ANamespace::*Test + +EXCLUDE_SYMBOLS = + +# The EXAMPLE_PATH tag can be used to specify one or more files or +# directories that contain example code fragments that are included (see +# the \include command). + +EXAMPLE_PATH = + +# If the value of the EXAMPLE_PATH tag contains directories, you can use the +# EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp +# and *.h) to filter out the source-files in the directories. If left +# blank all files are included. + +EXAMPLE_PATTERNS = + +# If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be +# searched for input files to be used with the \include or \dontinclude +# commands irrespective of the value of the RECURSIVE tag. +# Possible values are YES and NO. If left blank NO is used. + +EXAMPLE_RECURSIVE = NO + +# The IMAGE_PATH tag can be used to specify one or more files or +# directories that contain image that are included in the documentation (see +# the \image command). + +IMAGE_PATH = + +# The INPUT_FILTER tag can be used to specify a program that doxygen should +# invoke to filter for each input file. Doxygen will invoke the filter program +# by executing (via popen()) the command , where +# is the value of the INPUT_FILTER tag, and is the name of an +# input file. Doxygen will then use the output that the filter program writes +# to standard output. If FILTER_PATTERNS is specified, this tag will be +# ignored. + +INPUT_FILTER = + +# The FILTER_PATTERNS tag can be used to specify filters on a per file pattern +# basis. Doxygen will compare the file name with each pattern and apply the +# filter if there is a match. The filters are a list of the form: +# pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further +# info on how filters are used. If FILTER_PATTERNS is empty, INPUT_FILTER +# is applied to all files. + +FILTER_PATTERNS = + +# If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using +# INPUT_FILTER) will be used to filter the input files when producing source +# files to browse (i.e. when SOURCE_BROWSER is set to YES). + +FILTER_SOURCE_FILES = NO + +#--------------------------------------------------------------------------- +# configuration options related to source browsing +#--------------------------------------------------------------------------- + +# If the SOURCE_BROWSER tag is set to YES then a list of source files will +# be generated. Documented entities will be cross-referenced with these sources. +# Note: To get rid of all source code in the generated output, make sure also +# VERBATIM_HEADERS is set to NO. + +SOURCE_BROWSER = NO + +# Setting the INLINE_SOURCES tag to YES will include the body +# of functions and classes directly in the documentation. + +INLINE_SOURCES = NO + +# Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct +# doxygen to hide any special comment blocks from generated source code +# fragments. Normal C and C++ comments will always remain visible. + +STRIP_CODE_COMMENTS = YES + +# If the REFERENCED_BY_RELATION tag is set to YES (the default) +# then for each documented function all documented +# functions referencing it will be listed. + +REFERENCED_BY_RELATION = YES + +# If the REFERENCES_RELATION tag is set to YES (the default) +# then for each documented function all documented entities +# called/used by that function will be listed. + +REFERENCES_RELATION = YES + +# If the REFERENCES_LINK_SOURCE tag is set to YES (the default) +# and SOURCE_BROWSER tag is set to YES, then the hyperlinks from +# functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will +# link to the source code. Otherwise they will link to the documentation. + +REFERENCES_LINK_SOURCE = YES + +# If the USE_HTAGS tag is set to YES then the references to source code +# will point to the HTML generated by the htags(1) tool instead of doxygen +# built-in source browser. The htags tool is part of GNU's global source +# tagging system (see http://www.gnu.org/software/global/global.html). You +# will need version 4.8.6 or higher. + +USE_HTAGS = NO + +# If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen +# will generate a verbatim copy of the header file for each class for +# which an include is specified. Set to NO to disable this. + +VERBATIM_HEADERS = YES + +#--------------------------------------------------------------------------- +# configuration options related to the alphabetical class index +#--------------------------------------------------------------------------- + +# If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index +# of all compounds will be generated. Enable this if the project +# contains a lot of classes, structs, unions or interfaces. + +ALPHABETICAL_INDEX = NO + +# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then +# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns +# in which this list will be split (can be a number in the range [1..20]) + +COLS_IN_ALPHA_INDEX = 5 + +# In case all classes in a project start with a common prefix, all +# classes will be put under the same header in the alphabetical index. +# The IGNORE_PREFIX tag can be used to specify one or more prefixes that +# should be ignored while generating the index headers. + +IGNORE_PREFIX = + +#--------------------------------------------------------------------------- +# configuration options related to the HTML output +#--------------------------------------------------------------------------- + +# If the GENERATE_HTML tag is set to YES (the default) Doxygen will +# generate HTML output. + +GENERATE_HTML = YES + +# The HTML_OUTPUT tag is used to specify where the HTML docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `html' will be used as the default path. + +HTML_OUTPUT = html + +# The HTML_FILE_EXTENSION tag can be used to specify the file extension for +# each generated HTML page (for example: .htm,.php,.asp). If it is left blank +# doxygen will generate files with .html extension. + +HTML_FILE_EXTENSION = .html + +# The HTML_HEADER tag can be used to specify a personal HTML header for +# each generated HTML page. If it is left blank doxygen will generate a +# standard header. + +HTML_HEADER = + +# The HTML_FOOTER tag can be used to specify a personal HTML footer for +# each generated HTML page. If it is left blank doxygen will generate a +# standard footer. + +HTML_FOOTER = + +# The HTML_STYLESHEET tag can be used to specify a user-defined cascading +# style sheet that is used by each HTML page. It can be used to +# fine-tune the look of the HTML output. If the tag is left blank doxygen +# will generate a default style sheet. Note that doxygen will try to copy +# the style sheet file to the HTML output directory, so don't put your own +# stylesheet in the HTML output directory as well, or it will be erased! + +HTML_STYLESHEET = + +# If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, +# files or namespaces will be aligned in HTML using tables. If set to +# NO a bullet list will be used. + +HTML_ALIGN_MEMBERS = YES + +# If the GENERATE_HTMLHELP tag is set to YES, additional index files +# will be generated that can be used as input for tools like the +# Microsoft HTML help workshop to generate a compressed HTML help file (.chm) +# of the generated HTML documentation. + +GENERATE_HTMLHELP = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can +# be used to specify the file name of the resulting .chm file. You +# can add a path in front of the file if the result should not be +# written to the html output directory. + +CHM_FILE = + +# If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can +# be used to specify the location (absolute path including file name) of +# the HTML help compiler (hhc.exe). If non-empty doxygen will try to run +# the HTML help compiler on the generated index.hhp. + +HHC_LOCATION = + +# If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag +# controls if a separate .chi index file is generated (YES) or that +# it should be included in the master .chm file (NO). + +GENERATE_CHI = NO + +# If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag +# controls whether a binary table of contents is generated (YES) or a +# normal table of contents (NO) in the .chm file. + +BINARY_TOC = NO + +# The TOC_EXPAND flag can be set to YES to add extra items for group members +# to the contents of the HTML help documentation and to the tree view. + +TOC_EXPAND = NO + +# The DISABLE_INDEX tag can be used to turn on/off the condensed index at +# top of each HTML page. The value NO (the default) enables the index and +# the value YES disables it. + +DISABLE_INDEX = NO + +# This tag can be used to set the number of enum values (range [1..20]) +# that doxygen will group on one line in the generated HTML documentation. + +ENUM_VALUES_PER_LINE = 4 + +# If the GENERATE_TREEVIEW tag is set to YES, a side panel will be +# generated containing a tree-like index structure (just like the one that +# is generated for HTML Help). For this to work a browser that supports +# JavaScript, DHTML, CSS and frames is required (for instance Mozilla 1.0+, +# Netscape 6.0+, Internet explorer 5.0+, or Konqueror). Windows users are +# probably better off using the HTML help feature. + +GENERATE_TREEVIEW = NO + +# If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be +# used to set the initial width (in pixels) of the frame in which the tree +# is shown. + +TREEVIEW_WIDTH = 250 + +#--------------------------------------------------------------------------- +# configuration options related to the LaTeX output +#--------------------------------------------------------------------------- + +# If the GENERATE_LATEX tag is set to YES (the default) Doxygen will +# generate Latex output. + +GENERATE_LATEX = NO + +# The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `latex' will be used as the default path. + +LATEX_OUTPUT = latex + +# The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be +# invoked. If left blank `latex' will be used as the default command name. + +LATEX_CMD_NAME = latex + +# The MAKEINDEX_CMD_NAME tag can be used to specify the command name to +# generate index for LaTeX. If left blank `makeindex' will be used as the +# default command name. + +MAKEINDEX_CMD_NAME = makeindex + +# If the COMPACT_LATEX tag is set to YES Doxygen generates more compact +# LaTeX documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_LATEX = NO + +# The PAPER_TYPE tag can be used to set the paper type that is used +# by the printer. Possible values are: a4, a4wide, letter, legal and +# executive. If left blank a4wide will be used. + +PAPER_TYPE = a4wide + +# The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX +# packages that should be included in the LaTeX output. + +EXTRA_PACKAGES = + +# The LATEX_HEADER tag can be used to specify a personal LaTeX header for +# the generated latex document. The header should contain everything until +# the first chapter. If it is left blank doxygen will generate a +# standard header. Notice: only use this tag if you know what you are doing! + +LATEX_HEADER = + +# If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated +# is prepared for conversion to pdf (using ps2pdf). The pdf file will +# contain links (just like the HTML output) instead of page references +# This makes the output suitable for online browsing using a pdf viewer. + +PDF_HYPERLINKS = NO + +# If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of +# plain latex in the generated Makefile. Set this option to YES to get a +# higher quality PDF documentation. + +USE_PDFLATEX = NO + +# If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. +# command to the generated LaTeX files. This will instruct LaTeX to keep +# running if errors occur, instead of asking the user for help. +# This option is also used when generating formulas in HTML. + +LATEX_BATCHMODE = NO + +# If LATEX_HIDE_INDICES is set to YES then doxygen will not +# include the index chapters (such as File Index, Compound Index, etc.) +# in the output. + +LATEX_HIDE_INDICES = NO + +#--------------------------------------------------------------------------- +# configuration options related to the RTF output +#--------------------------------------------------------------------------- + +# If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output +# The RTF output is optimized for Word 97 and may not look very pretty with +# other RTF readers or editors. + +GENERATE_RTF = NO + +# The RTF_OUTPUT tag is used to specify where the RTF docs will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `rtf' will be used as the default path. + +RTF_OUTPUT = rtf + +# If the COMPACT_RTF tag is set to YES Doxygen generates more compact +# RTF documents. This may be useful for small projects and may help to +# save some trees in general. + +COMPACT_RTF = NO + +# If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated +# will contain hyperlink fields. The RTF file will +# contain links (just like the HTML output) instead of page references. +# This makes the output suitable for online browsing using WORD or other +# programs which support those fields. +# Note: wordpad (write) and others do not support links. + +RTF_HYPERLINKS = NO + +# Load stylesheet definitions from file. Syntax is similar to doxygen's +# config file, i.e. a series of assignments. You only have to provide +# replacements, missing definitions are set to their default value. + +RTF_STYLESHEET_FILE = + +# Set optional variables used in the generation of an rtf document. +# Syntax is similar to doxygen's config file. + +RTF_EXTENSIONS_FILE = + +#--------------------------------------------------------------------------- +# configuration options related to the man page output +#--------------------------------------------------------------------------- + +# If the GENERATE_MAN tag is set to YES (the default) Doxygen will +# generate man pages + +GENERATE_MAN = YES + +# The MAN_OUTPUT tag is used to specify where the man pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `man' will be used as the default path. + +MAN_OUTPUT = man + +# The MAN_EXTENSION tag determines the extension that is added to +# the generated man pages (default is the subroutine's section .3) + +MAN_EXTENSION = .3 + +# If the MAN_LINKS tag is set to YES and Doxygen generates man output, +# then it will generate one additional man file for each entity +# documented in the real man page(s). These additional files +# only source the real man page, but without them the man command +# would be unable to find the correct page. The default is NO. + +MAN_LINKS = NO + +#--------------------------------------------------------------------------- +# configuration options related to the XML output +#--------------------------------------------------------------------------- + +# If the GENERATE_XML tag is set to YES Doxygen will +# generate an XML file that captures the structure of +# the code including all documentation. + +GENERATE_XML = NO + +# The XML_OUTPUT tag is used to specify where the XML pages will be put. +# If a relative path is entered the value of OUTPUT_DIRECTORY will be +# put in front of it. If left blank `xml' will be used as the default path. + +XML_OUTPUT = xml + +# The XML_SCHEMA tag can be used to specify an XML schema, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_SCHEMA = + +# The XML_DTD tag can be used to specify an XML DTD, +# which can be used by a validating XML parser to check the +# syntax of the XML files. + +XML_DTD = + +# If the XML_PROGRAMLISTING tag is set to YES Doxygen will +# dump the program listings (including syntax highlighting +# and cross-referencing information) to the XML output. Note that +# enabling this will significantly increase the size of the XML output. + +XML_PROGRAMLISTING = YES + +#--------------------------------------------------------------------------- +# configuration options for the AutoGen Definitions output +#--------------------------------------------------------------------------- + +# If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will +# generate an AutoGen Definitions (see autogen.sf.net) file +# that captures the structure of the code including all +# documentation. Note that this feature is still experimental +# and incomplete at the moment. + +GENERATE_AUTOGEN_DEF = NO + +#--------------------------------------------------------------------------- +# configuration options related to the Perl module output +#--------------------------------------------------------------------------- + +# If the GENERATE_PERLMOD tag is set to YES Doxygen will +# generate a Perl module file that captures the structure of +# the code including all documentation. Note that this +# feature is still experimental and incomplete at the +# moment. + +GENERATE_PERLMOD = NO + +# If the PERLMOD_LATEX tag is set to YES Doxygen will generate +# the necessary Makefile rules, Perl scripts and LaTeX code to be able +# to generate PDF and DVI output from the Perl module output. + +PERLMOD_LATEX = NO + +# If the PERLMOD_PRETTY tag is set to YES the Perl module output will be +# nicely formatted so it can be parsed by a human reader. This is useful +# if you want to understand what is going on. On the other hand, if this +# tag is set to NO the size of the Perl module output will be much smaller +# and Perl will parse it just the same. + +PERLMOD_PRETTY = YES + +# The names of the make variables in the generated doxyrules.make file +# are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. +# This is useful so different doxyrules.make files included by the same +# Makefile don't overwrite each other's variables. + +PERLMOD_MAKEVAR_PREFIX = + +#--------------------------------------------------------------------------- +# Configuration options related to the preprocessor +#--------------------------------------------------------------------------- + +# If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will +# evaluate all C-preprocessor directives found in the sources and include +# files. + +ENABLE_PREPROCESSING = YES + +# If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro +# names in the source code. 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It's based on +libevent to scale to any size needed, and is specifically optimized to avoid +swapping and always use non-blocking I/O. +.br +.SH OPTIONS +These programs follow the usual GNU command line syntax. A summary of options +is included below. +.TP +.B \-s, --unix-socket= +Unix socket path to listen on (disables network support). +.TP +.B \-A, --enable-shutdown +Enable ascii "shutdown" command. +.TP +.B \-a, --unix-mask= +Permissions (in octal format) for Unix socket created with \-s option. +.TP +.B \-l, --listen= +Listen on ; default to INADDR_ANY. may be specified as host:port. +If you don't specify a port number, the value you specified with -p or -U is +used. You may specify multiple addresses separated by comma or by using -l +multiple times. This is an important option to consider as there is no other +way to secure the installation. Binding to an internal or firewalled network +interface is suggested. +.TP +.B \-d, --daemon +Run memcached as a daemon. +.TP +.B \-u, --user= +Assume the identity of (only when run as root). +.TP +.B \-m, --memory-limit= +Use MB memory max to use for object storage; the default is 64 megabytes. +.TP +.B \-c, --conn-limit= +Use max simultaneous connections; the default is 1024. +.TP +.B \-R, --max-reqs-per-event= +This option seeks to prevent client starvation by setting a limit to the +number of sequential requests the server will process from an individual +client connection. Once a connection has exceeded this value, the server will +attempt to process I/O on other connections before handling any further +request from this connection. The default value for this option is 20. +.TP +.B \-k, --lock-memory +Lock down all paged memory. This is a somewhat dangerous option with large +caches, so consult the README and memcached homepage for configuration +suggestions. +.TP +.B \-p, --port= +Listen on TCP port , the default is port 11211. +.TP +.B \-U, --udp-port= +Listen on UDP port , the default is port 11211, 0 is off. +.TP +.B \-M, --disable-evictions +Disable automatic removal of items from the cache when out of memory. +Additions will not be possible until adequate space is freed up. +.TP +.B \-r, --enable-coredumps +Raise the core file size limit to the maximum allowable. +.TP +.B \-f, --slab-growth-factor= +Use as the multiplier for computing the sizes of memory chunks that +items are stored in. A lower value may result in less wasted memory depending +on the total amount of memory available and the distribution of item sizes. +The default is 1.25. +.TP +.B \-n, --slab-min-size= +Allocate a minimum of bytes for the item key, value, and flags. The +default is 48. If you have a lot of small keys and values, you can get a +significant memory efficiency gain with a lower value. If you use a high +chunk growth factor (\-f option), on the other hand, you may want to increase +the size to allow a bigger percentage of your items to fit in the most densely +packed (smallest) chunks. +.TP +.B \-C, --disable-cas +Disable the use of CAS (and reduce the per-item size by 8 bytes). +.TP +.B \-h, --help +Show the version of memcached and a summary of options. +.TP +.B \-v, --verbose +Be verbose during the event loop; print out errors and warnings. +.TP +.B \-vv +Be even more verbose; same as \-v but also print client commands and +responses. +.TP +.B \-vvv +Be extremely verbose; same of the above and also print internal state transitions. +.TP +.B \-i, --license +Print memcached and libevent licenses. +.TP +.B \-P, --pidfile= +Print pidfile to , only used under \-d option. +.TP +.B \-t, --threads= +Number of threads to use to process incoming requests. This option is only +meaningful if memcached was compiled with thread support enabled. It is +typically not useful to set this higher than the number of CPU cores on the +memcached server. Setting a high number (64 or more) of worker +threads is not recommended. The default is 4. +.TP +.B \-D +Use as the delimiter between key prefixes and IDs. This is used for +per-prefix stats reporting. The default is ":" (colon). If this option is +specified, stats collection is turned on automatically; if not, then it may +be turned on by sending the "stats detail on" command to the server. +.TP +.B \-L, --enable-largepages +Try to use large memory pages (if available). Increasing the memory page size +could reduce the number of TLB misses and improve the performance. In order to +get large pages from the OS, memcached will allocate the total item-cache in +one large chunk. Only available if supported on your OS. +.TP +.B \-b, --listen-backlog= +Set the backlog queue limit to connections. The default is 1024. +.TP +.B \-B, --protocol= +Specify the binding protocol to use. By default, the server will +autonegotiate client connections. By using this option, you can +specify the protocol clients must speak. Possible options are "auto" +(the default, autonegotiation behavior), "ascii" and "binary". +.TP +.B \-I, --max-item-size= +Override the default size of each slab page. The default size is 1mb. Default +value for this parameter is 1m, minimum is 1k, max is 128m. +Adjusting this value changes the item size limit. +.TP +.B \-S, --enable-sasl +Turn on SASL authentication. This option is only meaningful if memcached was +compiled with SASL support enabled. +.TP +.B \-F, --disable-flush-all +Disables the "flush_all" command. The cmd_flush counter will increment, but +clients will receive an error message and the flush will not occur. +.TP +.B \-X, --disable-dumping +Disables the "stats cachedump" and "lru_crawler metadump" commands. +.TP +.B \-o, --extended= +Comma separated list of extended or experimental options. See \-h or wiki for +up to date list. +.TP +.B \-V, --version +print version and exit +.br +.SH LICENSE +The memcached daemon is copyright Danga Interactive and is distributed under +the BSD license. Note that daemon clients are licensed separately. +.br +.SH SEE ALSO +The README file that comes with memcached +.br +.B http://www.memcached.org +.SH AUTHOR +The memcached daemon was written by Anatoly Vorobey +.B +and Brad Fitzpatrick +.B +and the rest of the crew of Danga Interactive +.B http://www.danga.com +.br diff --git a/doc/new_lru.txt b/doc/new_lru.txt new file mode 100755 index 0000000..bf19233 --- /dev/null +++ b/doc/new_lru.txt @@ -0,0 +1,46 @@ +In versions new enough to have the `-o lru_maintainer` option, a new LRU +mechanic is available. + +Previously: Each slab class has an independent doubly-linked list comprising +its LRU. Items are pulled from the bottom and either reclaimed or evicted as +needed. + +Now, enabling `-o lru_maintainer` changes all of the behavior below: + + * LRU's are now split between HOT, WARM, and COLD LRU's. New items enter the + HOT LRU. + * Items hit at least twice are considered active. + * LRU updates only happen as items reach the bottom of an LRU. If active in + HOT, move to WARM, if active in WARM, stay in WARM. If active in COLD, move + to WARM. + The exception is that items active in COLD are immediately moved to WARM. + * HOT/WARM each capped at N% of memory available for that slab class. COLD + is uncapped (by default, as of this writing). + * HOT/WARM are also age capped by ratios of COLD's age. IE: HOT is capped at + N% of memory, or 10% of the age of COLD, whichever comes first. + * Items flow from HOT/WARM into COLD. + * A background thread exists which shuffles items between/within the LRU's as + limits are reached. This includes moves from COLD to WARM. + * The background thread can also control the lru_crawler, if enabled. + +The primary goal is to better protect active items from "scanning". Items +which are never hit again will flow from HOT, through COLD, and out the +bottom. Items occasionally active (reaching COLD, but being hit before +eviction), move to WARM. There they can stay relatively protected. + +A secondary goal is to improve latency. The LRU locks are no longer used on +most item reads, largely during sets and from the background thread. Also the +background thread is likely to find expired items and release them back to the +slab class asynchronously, which speeds up new allocations. + +It is recommended to use this feature with the lru crawler as well: +`memcached -o lru_maintainer,lru_crawler` - Then it will automatically scan +slab classes for items with expired TTL's. If your items are always set to +never expire, you can omit this option safely. + +An extra option: `-o temporary_ttl=N` (when used with lru_maintainer) will make +items with a TTL less than or equal to this value use a fourth TEMP LRU. Items +stored in TEMP are never bumped within its LRU or moved to other LRU's. They +also cannot be evicted. This can help reduce holes and load on the LRU crawler. + +Do not set temporary_ttl too high or memory could become exhausted. diff --git a/doc/protocol-binary-range.xml b/doc/protocol-binary-range.xml new file mode 100755 index 0000000..ba08686 --- /dev/null +++ b/doc/protocol-binary-range.xml @@ -0,0 +1,226 @@ + + + + + + + + + + + + + + Memcache Binary Protocol: Extensions for UDP + + + Six Apart, Ltd. +
+ + 548 4th Street + San Francisco + CA + 94107 + USA + + aaron@serendipity.palo-alto.ca.us +
+ + + + + Applications + + memcache memcached cache udp + + + + This memo explains extensions to the memcache binary protocol for use in a UDP environment. + + + + Memcache is a high performance key-value cache. It is intentionally a + dumb cache, optimized for speed only. Applications using memcache do + not rely on it for data -- a persistent database with guaranteed reliability + is strongly recommended -- but applications can run much faster when + cached data is available in memcache. + + + + + +
+ + Memcache is a high performance key-value cache. It is intentionally a + dumb cache, optimized for speed only. Applications using memcache do + not rely on it for data -- a persistent database with guaranteed reliability + is strongly recommended -- but applications can run much faster when + cached data is available in memcache. + + + Sites may find that, due to their network architecture or application usage patterns, + the stateless protocol better suits their needs. This document + provides extensions and descriptions of use of the memcache protocol + in a UDP environment. + + + It is a goal of this document to provide sufficient information in each UDP packet + as to avoid any requirement for statefulness on the part of the server nor significant + caching of outstanding packets on the part of the client. + +
+ The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", + "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this + document are to be interpreted as described in . + +
+
+ +
+
+ + The magic bytes remains the same as in . + +
+ +
+ + Additional status values: + + Value is larger than a single response packet + + +
+ +
+ + Additional opcode values: + + Get Range + Set Range + + +
+ +
+ + There are no new data types in this extension. + +
+
+ +
+ +
+ + This section extends the behavior of the Get and GetQ commands as described in + . + + + + When a Get or GetQ request is made via UDP, and the value of the key for which + the request was made is larger than can be placed into a single UDP packet (noting + that the protocol header must also be counted), a Get Range response packet + MUST be sent instead of the Get response packet. In this instance: + + The Status field of the response header MUST be 0x0004. + The Offset field of the GetR response extras MUST be 0. + The Length field of the GetR response extras, and the data contained in + the Value field of the packet, SHOULD be the maximum + allowed length of a UDP packet, less the space required by the header + and extras; however it MAY be any amount below this maximum. + The Total value length field of the response extras MUST be the + actual length of the complete value. + + + + + The client, upon receipt of a Get Range response bearing Status 0x004 + and a Message ID corresponding to its Get request, shall then know that + it has received only the first portion of the value. The client MAY choose + to request the remaining portion of the value by sending one or more Get Range requests. + +
+ +
+ + The Get Range request is primarily intended for use over a UDP transport + to request byte ranges of the value for a key. In the event that the Data version + check fails to match that of the key, an error MUST be returned. + + +
+ Extra data for get range request: + +Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Flags | + +---------------+---------------+---------------+---------------+ + 4| Data version check | + | | + +---------------+---------------+---------------+---------------+ +12| Offset | + +---------------+---------------+---------------+---------------+ +16| Length | + +---------------+---------------+---------------+---------------+ +Total 20 bytes +
+ +
+ +
+ + The Get Range request is primarily intended for use over a UDP transport + to indicate the location of the bytes of the value for a key contained in + a given packet. A client receives enough information in each Get Range + extras to construct an appropriately sized buffer in its own memory and + blindly insert the contents of the packet at the given byte offset. + + +
+ Extra data for get range response: + +Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Flags | + +---------------+---------------+---------------+---------------+ + 4| Data version check | + | | + +---------------+---------------+---------------+---------------+ +12| Offset | + +---------------+---------------+---------------+---------------+ +16| Length | + +---------------+---------------+---------------+---------------+ +20| Total value length | + +---------------+---------------+---------------+---------------+ +Total 24 bytes +
+ +
+ +
+ +
+ + This document does not introduce any new security considerations + beyond those discussed in . + +
+ + + + + + + + + + + + + + diff --git a/doc/protocol-binary.xml b/doc/protocol-binary.xml new file mode 100755 index 0000000..87c8acf --- /dev/null +++ b/doc/protocol-binary.xml @@ -0,0 +1,1466 @@ + + + + + + + + + + + + Memcache Binary Protocol + + + Six Apart, Ltd. +
+ + 548 4th Street + San Francisco + CA + 94107 + USA + + aaron@serendipity.palo-alto.ca.us +
+ + + Sun Microsystems, INC +
+ + Haakon VII g. 7B + Trondheim + NO-7485 Trondheim + Norway + + trond.norbye@sun.com +
+ + + Applications + memcache memcached cache + + + This memo explains the memcache binary protocol for informational + purposes. + + + Memcache is a high performance key-value cache. It is intentionally a + dumb cache, optimized for speed only. Applications using memcache do + not rely on it for data -- a persistent database with guaranteed + reliability is strongly recommended -- but applications can run much + faster when cached data is available in memcache. + + + + + +
+ + Memcache is a high performance key-value cache. It is intentionally a + dumb cache, optimized for speed only. Applications using memcache should + not rely on it for data -- a persistent database with guaranteed + reliability is strongly recommended -- but applications can run much + faster when cached data is available in memcache. + + + Memcache was originally written to make + LiveJournal faster. It now powers all of + the fastest web sites that you love. + +
+ + The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", + "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this + document are to be interpreted as described in + . + +
+
+ +
+
+ General format of a packet: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0/ HEADER / + / / + / / + / / + +---------------+---------------+---------------+---------------+ + 24/ COMMAND-SPECIFIC EXTRAS (as needed) / + +/ (note length in the extras length header field) / + +---------------+---------------+---------------+---------------+ + m/ Key (as needed) / + +/ (note length in key length header field) / + +---------------+---------------+---------------+---------------+ + n/ Value (as needed) / + +/ (note length is total body length header field, minus / + +/ sum of the extras and key length body fields) / + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +
+ +
+ Request header: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Magic | Opcode | Key length | + +---------------+---------------+---------------+---------------+ + 4| Extras length | Data type | Reserved | + +---------------+---------------+---------------+---------------+ + 8| Total body length | + +---------------+---------------+---------------+---------------+ + 12| Opaque | + +---------------+---------------+---------------+---------------+ + 16| CAS | + | | + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +
+ +
+ Response header: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Magic | Opcode | Key Length | + +---------------+---------------+---------------+---------------+ + 4| Extras length | Data type | Status | + +---------------+---------------+---------------+---------------+ + 8| Total body length | + +---------------+---------------+---------------+---------------+ + 12| Opaque | + +---------------+---------------+---------------+---------------+ + 16| CAS | + | | + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +
+ + + Header fields: + + Magic number. + Command code. + Length in bytes of the text key that follows the command extras. + Status of the response (non-zero on error). + Length in bytes of the command extras. + Reserved for future use (Sean is using this soon). + Really reserved for future use (up for grabs). + Length in bytes of extra + key + value. + Will be copied back to you in the response. + Data version check. + + +
+ +
+
+ + + Request packet for this protocol version + Response packet for this protocol version + + + + + Magic byte / version. For each version of the protocol, we'll use a + different request/response value pair. This is useful for protocol + analyzers to distinguish the nature of the packet from the direction + which it is moving. Note, it is common to run a memcached instance on + a host that also runs an application server. Such a host will both + send and receive memcache packets. + + + + The version should hopefully correspond only to different meanings of + the command byte. In an ideal world, we will not change the header + format. As reserved bytes are given defined meaning, the protocol + version / magic byte values should be incremented. + + + + Traffic analysis tools are encouraged to identify memcache packets + and provide detailed interpretation if the magic bytes are recognized + and otherwise to provide a generic breakdown of the packet. Note, that + the key and value positions can always be identified even if the magic + byte or command opcode are not recognized. + +
+ +
+ + Possible values of this two-byte field: + + No error + Key not found + Key exists + Value too large + Invalid arguments + Item not stored + Incr/Decr on non-numeric value. + Unknown command + Out of memory + + +
+ +
+ + Possible values of the one-byte field: + + Get + Set + Add + Replace + Delete + Increment + Decrement + Quit + Flush + GetQ + No-op + Version + GetK + GetKQ + Append + Prepend + Stat + SetQ + AddQ + ReplaceQ + DeleteQ + IncrementQ + DecrementQ + QuitQ + FlushQ + AppendQ + PrependQ + + + + As a convention all of the commands ending with "Q" for + Quiet. A quiet version of a command will omit responses + that are considered uninteresting. Whether a given response + is interesting is dependent upon the command. See the + descriptions of the + set commands + and set commands for + examples of commands that include quiet variants. + +
+ +
+ + Possible values of the one-byte field: + + Raw bytes + + +
+
+ +
+
+ + All communication is initiated by a request from the client, + and the server will respond to each request with zero or + multiple packets for each request. If the status code of a response + packet is non-nil, the body of the packet will contain a textual error + message. If the status code is nil, the command opcode will define the + layout of the body of the message. + +
+ + The following figure illustrates the packet layout for + a packet with an error message. + +
+ Packet layout: + + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x01 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x09 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x4e ('N') | 0x6f ('o') | 0x74 ('t') | 0x20 (' ') | + +---------------+---------------+---------------+---------------+ + 28| 0x66 ('f') | 0x6f ('o') | 0x75 ('u') | 0x6e ('n') | + +---------------+---------------+---------------+---------------+ + 32| 0x64 ('d') | + +---------------+ + Total 33 bytes (24 byte header, and 9 bytes value) + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x00 +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Status (6,7) : 0x0001 +Total body (8-11) : 0x00000009 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : None +Value (24-32): The textual string "Not found" + +
+
+
+ +
+ + Request: + + + + MUST NOT have extras. + MUST have key. + MUST NOT have value. + + + + + Response (if found): + + + + MUST have extras. + MAY have key. + MAY have value. + + + + + + 4 byte flags + + + + +
+ Extra data for the get commands: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Flags | + +---------------+---------------+---------------+---------------+ + + Total 4 bytes + +
+ + + + The get command gets a single key. The getq command is both mum + on cache miss and quiet, holding its response until a non-quiet + command is issued. Getk and getkq differs from get and getq by + adding the key into the response packet. + + + + You're not guaranteed a response to a getq/getkq cache hit until + you send a non-getq/getkq command later, which uncorks the + server and bundles up IOs to send to the client in one go. + + + + Clients should implement multi-get (still important for + reducing network roundtrips!) as n pipelined requests, the + first n-1 being getq/getkq, the last being a regular + get/getk. That way you're guaranteed to get a response, and + you know when the server's done. You can also do the naive + thing and send n pipelined get/getks, but then you could potentially + get back a lot of "NOT_FOUND" error code packets. + Alternatively, you can send 'n' getq/getkqs, followed by a + 'noop' command. + + +
+ + To request the data associated with the key "Hello" the + following fields must be specified in the packet. + +
+ get request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x00 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x48 ('H') | 0x65 ('e') | 0x6c ('l') | 0x6c ('l') | + +---------------+---------------+---------------+---------------+ + 28| 0x6f ('o') | + +---------------+ + + Total 29 bytes (24 byte header, and 5 bytes key) + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x00 +Key length (2,3) : 0x0005 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000005 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key (24-29): The textual string: "Hello" +Value : None + +
+ If the item exist on the server the following packet is returned, + otherwise a packet with status code != 0 will be returned (see + Introduction) + +
+ get/getq response: + + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x04 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x09 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x01 | + +---------------+---------------+---------------+---------------+ + 24| 0xde | 0xad | 0xbe | 0xef | + +---------------+---------------+---------------+---------------+ + 28| 0x57 ('W') | 0x6f ('o') | 0x72 ('r') | 0x6c ('l') | + +---------------+---------------+---------------+---------------+ + 32| 0x64 ('d') | + +---------------+ + + Total 33 bytes (24 byte header, 4 byte extras and 5 byte value) + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x00 +Key length (2,3) : 0x0000 +Extra length (4) : 0x04 +Data type (5) : 0x00 +Status (6,7) : 0x0000 +Total body (8-11) : 0x00000009 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000001 +Extras : + Flags (24-27): 0xdeadbeef +Key : None +Value (28-32): The textual string "World" + +
+
+ getk/getkq response: + + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x00 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 4| 0x04 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x09 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x01 | + +---------------+---------------+---------------+---------------+ + 24| 0xde | 0xad | 0xbe | 0xef | + +---------------+---------------+---------------+---------------+ + 28| 0x48 ('H') | 0x65 ('e') | 0x6c ('l') | 0x6c ('l') | + +---------------+---------------+---------------+---------------+ + 32| 0x6f ('o') | 0x57 ('W') | 0x6f ('o') | 0x72 ('r') | + +---------------+---------------+---------------+---------------+ + 36| 0x6c ('l') | 0x64 ('d') | + +---------------+---------------+ + + Total 38 bytes (24 byte header, 4 byte extras, 5 byte key + and 5 byte value) + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x00 +Key length (2,3) : 0x0005 +Extra length (4) : 0x04 +Data type (5) : 0x00 +Status (6,7) : 0x0000 +Total body (8-11) : 0x0000000E +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000001 +Extras : + Flags (24-27): 0xdeadbeef +Key (28-32): The textual string: "Hello" +Value (33-37): The textual string: "World" + +
+
+
+ +
+ + + MUST have extras. + MUST have key. + MUST have value. + + + + + + 4 byte flags + 4 byte expiration time + + + +
+ Extra data for set/add/replace: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Flags | + +---------------+---------------+---------------+---------------+ + 4| Expiration | + +---------------+---------------+---------------+---------------+ + Total 8 bytes + +
+ + + If the Data Version Check (CAS) is nonzero, the requested + operation MUST only succeed if the item exists and has a CAS value + identical to the provided value. + + + + Add MUST fail if the item already exist. + + + + Replace MUST fail if the item doesn't exist. + + + + Set should store the data unconditionally if the item exists + or not. + + + + Quiet mutations only return responses on failure. Success + is considered the general case and is suppressed when in + quiet mode, but errors should not be allowed to go + unnoticed. + + +
+ The following figure shows an add-command for + + Key: "Hello" + Value: "World" + Flags: 0xdeadbeef + Expiry: in two hours + + +
+ Add request: + + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x02 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 4| 0x08 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x12 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0xde | 0xad | 0xbe | 0xef | + +---------------+---------------+---------------+---------------+ + 28| 0x00 | 0x00 | 0x1c | 0x20 | + +---------------+---------------+---------------+---------------+ + 32| 0x48 ('H') | 0x65 ('e') | 0x6c ('l') | 0x6c ('l') | + +---------------+---------------+---------------+---------------+ + 36| 0x6f ('o') | 0x57 ('W') | 0x6f ('o') | 0x72 ('r') | + +---------------+---------------+---------------+---------------+ + 40| 0x6c ('l') | 0x64 ('d') | + +---------------+---------------+ + + Total 42 bytes (24 byte header, 8 byte extras, 5 byte key and + 5 byte value) + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x02 +Key length (2,3) : 0x0005 +Extra length (4) : 0x08 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000012 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : + Flags (24-27): 0xdeadbeef + Expiry (28-31): 0x00001c20 +Key (32-36): The textual string "Hello" +Value (37-41): The textual string "World" + +
+ + The response-packet contains no extra data, and the result of the + operation is signaled through the status code. If the command + succeeds, the CAS value for the item is returned in the CAS-field + of the packet. + +
+ Successful add response: + + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x02 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x01 | + +---------------+---------------+---------------+---------------+ + + Total 24 bytes + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x02 +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Status (6,7) : 0x0000 +Total body (8-11) : 0x00000000 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000001 +Extras : None +Key : None +Value : None + +
+
+
+ +
+ + + MUST NOT have extras. + MUST have key. + MUST NOT have value. + + + + + Delete the item with the specific key. + + +
+ The following figure shows a delete message for the + item "Hello". +
+ Delete request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x04 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x48 ('H') | 0x65 ('e') | 0x6c ('l') | 0x6c ('l') | + +---------------+---------------+---------------+---------------+ + 28| 0x6f ('o') | + +---------------+ + + Total 29 bytes (24 byte header, 5 byte value) + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x04 +Key length (2,3) : 0x0005 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000005 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : The textual string "Hello" +Value : None + +
+ + The response-packet contains no extra data, and the result of the + operation is signaled through the status code. + +
+
+ +
+ + + MUST have extras. + MUST have key. + MUST NOT have value. + + + + + + 8 byte value to add / subtract + 8 byte initial value (unsigned) + 4 byte expiration time + + +
+ Extra data for incr/decr: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Amount to add | + | | + +---------------+---------------+---------------+---------------+ + 8| Initial value | + | | + +---------------+---------------+---------------+---------------+ + 16| Expiration | + +---------------+---------------+---------------+---------------+ + Total 20 bytes + +
+ + + These commands will either add or remove the specified + amount to the requested counter. + + + If the counter does not exist, one of two things may happen: + + + + If the expiration value is all one-bits (0xffffffff), the + operation will fail with NOT_FOUND. + For all other expiration values, the operation will succeed + by seeding the value for this key with the provided initial + value to expire with the provided expiration time. The flags + will be set to zero. + + +
+ incr/decr response body: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 64-bit unsigned response. | + | | + +---------------+---------------+---------------+---------------+ + Total 8 bytes + +
+
+ The following figure shows an incr-command for + + Key: "counter" + Delta: 0x01 + Initial: 0x00 + Expiry: in two hours + + +
+ Increment request: + + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x05 | 0x00 | 0x07 | + +---------------+---------------+---------------+---------------+ + 4| 0x14 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x1b | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 28| 0x00 | 0x00 | 0x00 | 0x01 | + +---------------+---------------+---------------+---------------+ + 32| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 36| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 40| 0x00 | 0x00 | 0x1c | 0x20 | + +---------------+---------------+---------------+---------------+ + 44| 0x63 ('c') | 0x6f ('o') | 0x75 ('u') | 0x6e ('n') | + +---------------+---------------+---------------+---------------+ + 48| 0x74 ('t') | 0x65 ('e') | 0x72 ('r') | + +---------------+---------------+---------------+ + Total 51 bytes (24 byte header, 20 byte extras, 7 byte key) + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x05 +Key length (2,3) : 0x0007 +Extra length (4) : 0x14 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x0000001b +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : + delta (24-31): 0x0000000000000001 + initial (32-39): 0x0000000000000000 + expiration (40-43): 0x00001c20 +Key : Textual string "counter" +Value : None + +
+ + If the key doesn't exist, the server will respond with the + initial value. If not the incremented value will be returned. + Let's assume that the key didn't exist, so the initial value + is returned. + +
+ Increment response: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x05 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x08 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 24| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 28| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + Total 32 bytes (24 byte header, 8 byte value) + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x05 +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Status (6,7) : 0x0000 +Total body (8-11) : 0x00000008 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000005 +Extras : None +Key : None +Value : 0x0000000000000000 + +
+
+
+ +
+ + + MUST NOT have extras. + MUST NOT have key. + MUST NOT have value. + + + + + Close the connection to the server. + + +
+
+ Quit request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x07 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x07 +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000000 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : None +Value : None + +
+ + The response-packet contains no extra data, and the result of the + operation is signaled through the status code. The server will + then close the connection. + +
+
+ +
+ + + MAY have extras. + MUST NOT have key. + MUST NOT have value. + + + + + + 4 byte expiration time + + +
+ Extra data for flush: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| Expiration | + +---------------+---------------+---------------+---------------+ + Total 4 bytes + +
+ + Flush the items in the cache now or some time in the future as + specified by the expiration field. See the documentation of the + textual protocol for the full description on how to specify the + expiration time. + +
+ + To flush the cache (delete all items) in two hours, the set + the following values in the request + +
+ Flush request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x08 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x04 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x04 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x00 | 0x00 | 0x1c | 0x20 | + +---------------+---------------+---------------+---------------+ + Total 28 bytes (24 byte header, 4 byte body) + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x08 +Key length (2,3) : 0x0000 +Extra length (4) : 0x04 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000004 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : + Expiry (24-27): 0x00001c20 +Key : None +Value : None + +
+ + The response-packet contains no extra data, and the result of the + operation is signaled through the status code. + +
+
+
+ + + MUST NOT have extras. + MUST NOT have key. + MUST NOT have value. + + + + + Used as a keep alive. Flushes outstanding getq/getkq's. + +
+
+ Noop request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x0a | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x0a +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000000 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : None +Value : None + +
+ + The response-packet contains no extra data, and the result of the + operation is signaled through the status code. + +
+
+ +
+ + + MUST NOT have extras. + MUST NOT have key. + MUST NOT have value. + + + + + Request the server version. + + + The server responds with a packet containing the version string + in the body with the following format: "x.y.z" + +
+
+ Version request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x0b | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x0b +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000000 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None + +
+
+ Version response: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x0b | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x31 ('1') | 0x2e ('.') | 0x33 ('3') | 0x2e ('.') | + +---------------+---------------+---------------+---------------+ + 28| 0x31 ('1') | + +---------------+ + Total 29 bytes (24 byte header, 5 byte body) + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x0b +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Status (6,7) : 0x0000 +Total body (8-11) : 0x00000005 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : None +Value : Textual string "1.3.1" + +
+
+
+ +
+ + + MUST NOT have extras. + MUST have key. + MUST have value. + + + + + These commands will either append or prepend the specified + value to the requested key. + + +
+ The following example appends '!' to the 'Hello' key. +
+ Append request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x0e | 0x00 | 0x05 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x06 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x48 ('H') | 0x65 ('e') | 0x6c ('l') | 0x6c ('l') | + +---------------+---------------+---------------+---------------+ + 28| 0x6f ('o') | 0x21 ('!') | + +---------------+---------------+ + Total 30 bytes (24 byte header, 5 byte key, 1 byte value) + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x0e +Key length (2,3) : 0x0005 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000006 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key (24-28): The textual string "Hello" +Value (29) : "!" + +
+ + The response-packet contains no extra data, and the result of the + operation is signaled through the status code. + +
+
+ +
+ + + MUST NOT have extras. + MAY have key. + MUST NOT have value. + + + + + Request server statistics. Without a key specified the server will + respond with a "default" set of statistics information. Each piece + of statistical information is returned in its own packet (key + contains the name of the statistical item and the body contains the + value in ASCII format). The sequence of return packets is terminated + with a packet that contains no key and no value. + +
+ The following example requests all statistics from the server +
+ Stat request: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x80 | 0x10 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + Total 24 bytes + +Field (offset) (value) +Magic (0) : 0x80 +Opcode (1) : 0x10 +Key length (2,3) : 0x0000 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Reserved (6,7) : 0x0000 +Total body (8-11) : 0x00000000 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : None +Value : None + +
+ + The server will send each value in a separate packet with + an "empty" packet (no key / no value) to terminate the sequence. + Each of the response packets look like the following example: + +
+ Stat response: + + Byte/ 0 | 1 | 2 | 3 | + / | | | | + |0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7|0 1 2 3 4 5 6 7| + +---------------+---------------+---------------+---------------+ + 0| 0x81 | 0x10 | 0x00 | 0x03 | + +---------------+---------------+---------------+---------------+ + 4| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 8| 0x00 | 0x00 | 0x00 | 0x07 | + +---------------+---------------+---------------+---------------+ + 12| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 16| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 20| 0x00 | 0x00 | 0x00 | 0x00 | + +---------------+---------------+---------------+---------------+ + 24| 0x70 ('p') | 0x69 ('i') | 0x64 ('d') | 0x33 ('3') | + +---------------+---------------+---------------+---------------+ + 28| 0x30 ('0') | 0x37 ('7') | 0x38 ('8') | + +---------------+---------------+---------------+ + Total 31 bytes (24 byte header, 3 byte key, 4 byte body) + +Field (offset) (value) +Magic (0) : 0x81 +Opcode (1) : 0x10 +Key length (2,3) : 0x0003 +Extra length (4) : 0x00 +Data type (5) : 0x00 +Status (6,7) : 0x0000 +Total body (8-11) : 0x00000007 +Opaque (12-15): 0x00000000 +CAS (16-23): 0x0000000000000000 +Extras : None +Key : The textual string "pid" +Value : The textual string "3078" + +
+
+
+
+
+ + Memcache has few authentication and no security layers whatsoever. It is + RECOMMENDED that memcache be deployed strictly on closed, protected, + back-end networks within a single data center, within a single cluster of + servers, or even on a single host, providing shared caching for multiple + applications. Memcache MUST NOT be made available on a public network. + + + + SASL is supported as an authentication mechanism. See the wiki for more + information. + +
+ + + + + + + + LJ NEEDS MOAR SPEED + + Danga Interactive + + + + http://www.livejournal.com/ + + + + + + +
+ + Thanks to Brad Fitzpatrick, Anatoly Vorobey, Steven Grimm, and Dustin + Sallings, for their work on the memcached server. + + + + Thanks to Sean Chittenden, Jonathan Steinert, Brian Aker, Evan Martin, + Nathan Neulinger, Eric Hodel, Michael Johnson, Paul Querna, Jamie + McCarthy, Philip Neustrom, Andrew O'Brien, Josh Rotenberg, Robin H. + Johnson, Tim Yardley, Paolo Borelli, Eli Bingham, Jean-Francois + Bustarret, Paul G, Paul Lindner, Alan Kasindorf, Chris Goffinet, Tomash + Brechko, and others for their work reporting bugs and maintaining + memcached client libraries and bindings in many languages. + +
+ + + + diff --git a/doc/protocol.txt b/doc/protocol.txt new file mode 100755 index 0000000..9c8e8bc --- /dev/null +++ b/doc/protocol.txt @@ -0,0 +1,1205 @@ +Protocol +-------- + +Clients of memcached communicate with server through TCP connections. +(A UDP interface is also available; details are below under "UDP +protocol.") A given running memcached server listens on some +(configurable) port; clients connect to that port, send commands to +the server, read responses, and eventually close the connection. + +There is no need to send any command to end the session. A client may +just close the connection at any moment it no longer needs it. Note, +however, that clients are encouraged to cache their connections rather +than reopen them every time they need to store or retrieve data. This +is because memcached is especially designed to work very efficiently +with a very large number (many hundreds, more than a thousand if +necessary) of open connections. Caching connections will eliminate the +overhead associated with establishing a TCP connection (the overhead +of preparing for a new connection on the server side is insignificant +compared to this). + +There are two kinds of data sent in the memcache protocol: text lines +and unstructured data. Text lines are used for commands from clients +and responses from servers. Unstructured data is sent when a client +wants to store or retrieve data. The server will transmit back +unstructured data in exactly the same way it received it, as a byte +stream. The server doesn't care about byte order issues in +unstructured data and isn't aware of them. There are no limitations on +characters that may appear in unstructured data; however, the reader +of such data (either a client or a server) will always know, from a +preceding text line, the exact length of the data block being +transmitted. + +Text lines are always terminated by \r\n. Unstructured data is _also_ +terminated by \r\n, even though \r, \n or any other 8-bit characters +may also appear inside the data. Therefore, when a client retrieves +data from a server, it must use the length of the data block (which it +will be provided with) to determine where the data block ends, and not +the fact that \r\n follows the end of the data block, even though it +does. + +Keys +---- + +Data stored by memcached is identified with the help of a key. A key +is a text string which should uniquely identify the data for clients +that are interested in storing and retrieving it. Currently the +length limit of a key is set at 250 characters (of course, normally +clients wouldn't need to use such long keys); the key must not include +control characters or whitespace. + +Commands +-------- + +There are three types of commands. + +Storage commands (there are six: "set", "add", "replace", "append" +"prepend" and "cas") ask the server to store some data identified by a +key. The client sends a command line, and then a data block; after +that the client expects one line of response, which will indicate +success or failure. + +Retrieval commands (there are two: "get" and "gets") ask the server to +retrieve data corresponding to a set of keys (one or more keys in one +request). The client sends a command line, which includes all the +requested keys; after that for each item the server finds it sends to +the client one response line with information about the item, and one +data block with the item's data; this continues until the server +finished with the "END" response line. + +All other commands don't involve unstructured data. In all of them, +the client sends one command line, and expects (depending on the +command) either one line of response, or several lines of response +ending with "END" on the last line. + +A command line always starts with the name of the command, followed by +parameters (if any) delimited by whitespace. Command names are +lower-case and are case-sensitive. + +Expiration times +---------------- + +Some commands involve a client sending some kind of expiration time +(relative to an item or to an operation requested by the client) to +the server. In all such cases, the actual value sent may either be +Unix time (number of seconds since January 1, 1970, as a 32-bit +value), or a number of seconds starting from current time. In the +latter case, this number of seconds may not exceed 60*60*24*30 (number +of seconds in 30 days); if the number sent by a client is larger than +that, the server will consider it to be real Unix time value rather +than an offset from current time. + +Note that a TTL of 1 will sometimes immediately expire. Time is internally +updated on second boundaries, which makes expiration time roughly +/- 1s. +This more proportionally affects very low TTL's. + +Error strings +------------- + +Each command sent by a client may be answered with an error string +from the server. These error strings come in three types: + +- "ERROR\r\n" + + means the client sent a nonexistent command name. + +- "CLIENT_ERROR \r\n" + + means some sort of client error in the input line, i.e. the input + doesn't conform to the protocol in some way. is a + human-readable error string. + +- "SERVER_ERROR \r\n" + + means some sort of server error prevents the server from carrying + out the command. is a human-readable error string. In cases + of severe server errors, which make it impossible to continue + serving the client (this shouldn't normally happen), the server will + close the connection after sending the error line. This is the only + case in which the server closes a connection to a client. + + +In the descriptions of individual commands below, these error lines +are not again specifically mentioned, but clients must allow for their +possibility. + + +Storage commands +---------------- + +First, the client sends a command line which looks like this: + + [noreply]\r\n +cas [noreply]\r\n + +- is "set", "add", "replace", "append" or "prepend" + + "set" means "store this data". + + "add" means "store this data, but only if the server *doesn't* already + hold data for this key". + + "replace" means "store this data, but only if the server *does* + already hold data for this key". + + "append" means "add this data to an existing key after existing data". + + "prepend" means "add this data to an existing key before existing data". + + The append and prepend commands do not accept flags or exptime. + They update existing data portions, and ignore new flag and exptime + settings. + + "cas" is a check and set operation which means "store this data but + only if no one else has updated since I last fetched it." + +- is the key under which the client asks to store the data + +- is an arbitrary 16-bit unsigned integer (written out in + decimal) that the server stores along with the data and sends back + when the item is retrieved. Clients may use this as a bit field to + store data-specific information; this field is opaque to the server. + Note that in memcached 1.2.1 and higher, flags may be 32-bits, instead + of 16, but you might want to restrict yourself to 16 bits for + compatibility with older versions. + +- is expiration time. If it's 0, the item never expires + (although it may be deleted from the cache to make place for other + items). If it's non-zero (either Unix time or offset in seconds from + current time), it is guaranteed that clients will not be able to + retrieve this item after the expiration time arrives (measured by + server time). If a negative value is given the item is immediately + expired. + +- is the number of bytes in the data block to follow, *not* + including the delimiting \r\n. may be zero (in which case + it's followed by an empty data block). + +- is a unique 64-bit value of an existing entry. + Clients should use the value returned from the "gets" command + when issuing "cas" updates. + +- "noreply" optional parameter instructs the server to not send the + reply. NOTE: if the request line is malformed, the server can't + parse "noreply" option reliably. In this case it may send the error + to the client, and not reading it on the client side will break + things. Client should construct only valid requests. + +After this line, the client sends the data block: + +\r\n + +- is a chunk of arbitrary 8-bit data of length + from the previous line. + +After sending the command line and the data block the client awaits +the reply, which may be: + +- "STORED\r\n", to indicate success. + +- "NOT_STORED\r\n" to indicate the data was not stored, but not +because of an error. This normally means that the +condition for an "add" or a "replace" command wasn't met. + +- "EXISTS\r\n" to indicate that the item you are trying to store with +a "cas" command has been modified since you last fetched it. + +- "NOT_FOUND\r\n" to indicate that the item you are trying to store +with a "cas" command did not exist. + + +Retrieval command: +------------------ + +The retrieval commands "get" and "gets" operate like this: + +get *\r\n +gets *\r\n + +- * means one or more key strings separated by whitespace. + +After this command, the client expects zero or more items, each of +which is received as a text line followed by a data block. After all +the items have been transmitted, the server sends the string + +"END\r\n" + +to indicate the end of response. + +Each item sent by the server looks like this: + +VALUE []\r\n +\r\n + +- is the key for the item being sent + +- is the flags value set by the storage command + +- is the length of the data block to follow, *not* including + its delimiting \r\n + +- is a unique 64-bit integer that uniquely identifies + this specific item. + +- is the data for this item. + +If some of the keys appearing in a retrieval request are not sent back +by the server in the item list this means that the server does not +hold items with such keys (because they were never stored, or stored +but deleted to make space for more items, or expired, or explicitly +deleted by a client). + + +Deletion +-------- + +The command "delete" allows for explicit deletion of items: + +delete [noreply]\r\n + +- is the key of the item the client wishes the server to delete + +- "noreply" optional parameter instructs the server to not send the + reply. See the note in Storage commands regarding malformed + requests. + +The response line to this command can be one of: + +- "DELETED\r\n" to indicate success + +- "NOT_FOUND\r\n" to indicate that the item with this key was not + found. + +See the "flush_all" command below for immediate invalidation +of all existing items. + + +Increment/Decrement +------------------- + +Commands "incr" and "decr" are used to change data for some item +in-place, incrementing or decrementing it. The data for the item is +treated as decimal representation of a 64-bit unsigned integer. If +the current data value does not conform to such a representation, the +incr/decr commands return an error (memcached <= 1.2.6 treated the +bogus value as if it were 0, leading to confusion). Also, the item +must already exist for incr/decr to work; these commands won't pretend +that a non-existent key exists with value 0; instead, they will fail. + +The client sends the command line: + +incr [noreply]\r\n + +or + +decr [noreply]\r\n + +- is the key of the item the client wishes to change + +- is the amount by which the client wants to increase/decrease +the item. It is a decimal representation of a 64-bit unsigned integer. + +- "noreply" optional parameter instructs the server to not send the + reply. See the note in Storage commands regarding malformed + requests. + +The response will be one of: + +- "NOT_FOUND\r\n" to indicate the item with this value was not found + +- \r\n , where is the new value of the item's data, + after the increment/decrement operation was carried out. + +Note that underflow in the "decr" command is caught: if a client tries +to decrease the value below 0, the new value will be 0. Overflow in +the "incr" command will wrap around the 64 bit mark. + +Note also that decrementing a number such that it loses length isn't +guaranteed to decrement its returned length. The number MAY be +space-padded at the end, but this is purely an implementation +optimization, so you also shouldn't rely on that. + +Touch +----- + +The "touch" command is used to update the expiration time of an existing item +without fetching it. + +touch [noreply]\r\n + +- is the key of the item the client wishes the server to touch + +- is expiration time. Works the same as with the update commands + (set/add/etc). This replaces the existing expiration time. If an existing + item were to expire in 10 seconds, but then was touched with an + expiration time of "20", the item would then expire in 20 seconds. + +- "noreply" optional parameter instructs the server to not send the + reply. See the note in Storage commands regarding malformed + requests. + +The response line to this command can be one of: + +- "TOUCHED\r\n" to indicate success + +- "NOT_FOUND\r\n" to indicate that the item with this key was not + found. + +Get And Touch +----- + +The "gat" and "gats" commands are used to fetch items and update the +expiration time of an existing items. + +gat *\r\n +gats *\r\n + +- is expiration time. + +- * means one or more key strings separated by whitespace. + +After this command, the client expects zero or more items, each of +which is received as a text line followed by a data block. After all +the items have been transmitted, the server sends the string + +"END\r\n" + +to indicate the end of response. + +Each item sent by the server looks like this: + +VALUE []\r\n +\r\n + +- is the key for the item being sent + +- is the flags value set by the storage command + +- is the length of the data block to follow, *not* including + its delimiting \r\n + +- is a unique 64-bit integer that uniquely identifies + this specific item. + +- is the data for this item. + + +Slabs Reassign +-------------- + +NOTE: This command is subject to change as of this writing. + +The slabs reassign command is used to redistribute memory once a running +instance has hit its limit. It might be desirable to have memory laid out +differently than was automatically assigned after the server started. + +slabs reassign \r\n + +- is an id number for the slab class to steal a page from + +A source class id of -1 means "pick from any valid class" + +- is an id number for the slab class to move a page to + +The response line could be one of: + +- "OK" to indicate the page has been scheduled to move + +- "BUSY [message]" to indicate a page is already being processed, try again + later. + +- "BADCLASS [message]" a bad class id was specified + +- "NOSPARE [message]" source class has no spare pages + +- "NOTFULL [message]" dest class must be full to move new pages to it + +- "UNSAFE [message]" source class cannot move a page right now + +- "SAME [message]" must specify different source/dest ids. + +Slabs Automove +-------------- + +NOTE: This command is subject to change as of this writing. + +The slabs automove command enables a background thread which decides on its +own when to move memory between slab classes. Its implementation and options +will likely be in flux for several versions. See the wiki/mailing list for +more details. + +The automover can be enabled or disabled at runtime with this command. + +slabs automove <0|1> + +- 0|1|2 is the indicator on whether to enable the slabs automover or not. + +The response should always be "OK\r\n" + +- <0> means to set the thread on standby + +- <1> means to return pages to a global pool when there are more than 2 pages + worth of free chunks in a slab class. Pages are then re-assigned back into + other classes as-needed. + +- <2> is a highly aggressive mode which causes pages to be moved every time + there is an eviction. It is not recommended to run for very long in this + mode unless your access patterns are very well understood. + +LRU Tuning +---------- + +Memcached supports multiple LRU algorithms, with a few tunables. Effort is +made to have sane defaults however you are able to tune while the daemon is +running. + +The traditional model is "flat" mode, which is a single LRU chain per slab +class. The newer (with `-o modern` or `-o lru_maintainer`) is segmented into +HOT, WARM, COLD. There is also a TEMP LRU. See doc/new_lru.txt for details. + +lru