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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
AC_INIT([prboom],[2.5.0])
AC_CONFIG_AUX_DIR(autotools)
AC_CONFIG_MACRO_DIR(autotools)
dnl --- Check for target system type - before initialising Automake
AC_CANONICAL_TARGET
dnl --- Fire up automake
AM_INIT_AUTOMAKE([check-news foreign -Woverride -Wobsolete -Wportability -Wsyntax -Wunsupported])
AM_CONFIG_HEADER(config.h)
AC_MSG_CHECKING([checking whether to use x86 asm versions of some functions])
AC_ARG_ENABLE(i386-asm,AC_HELP_STRING([--disable-i386-asm],[Do not use i386 assembly]),,[
enable_i386_asm="no"
case "$target" in
i?86-*) enable_i386_asm="yes" ;;
esac])
if test "$enable_i386_asm" = yes; then
AC_DEFINE(I386_ASM,1,[Define on targets supporting 386 assembly])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
AC_ARG_WITH(waddir,AC_HELP_STRING([--with-waddir],[Path to install prboom.wad and look for other WAD files]),
DOOMWADDIR="$withval",
if test "x$prefix" != xNONE; then
DOOMWADDIR="$prefix/share/games/doom"
else
DOOMWADDIR="$ac_default_prefix/share/games/doom"
fi
)
AC_DEFINE_UNQUOTED(DOOMWADDIR,"$DOOMWADDIR",[Define to be the path where Doom WADs are stored])
dnl --- Check for programs
AC_PROG_CC
AC_PROG_LN_S
AC_PROG_RANLIB
if test "x$GCC" = "xyes"; then
AC_DEFINE(PACKEDATTR,[__attribute__((packed))],[Set to the attribute to apply to struct definitions to make them packed])
else
AC_DEFINE(PACKEDATTR,[])
echo "-!- Your compiler is not gcc. We probably don't know how to force"
echo ' structures to be packed with your compiler. You may have to edit'
echo ' the source to insert the relevant pragmas so structures are packed.'
fi
dnl --- cph: work out flags to pass to compiler
CFLAGS_OPT="-O2 -fomit-frame-pointer"
AC_C_COMPILE_FLAGS(-Wall)
dnl --- Option to enable debugging
AC_ARG_ENABLE(debug,AC_HELP_STRING([--enable-debug],[turns on various debugging features, like range checking and internal heap diagnostics]),,enable_debug="no")
if test "$enable_debug" = "no"
then
AC_C_COMPILE_FLAGS(-Wno-unused -Wno-switch)
else
CFLAGS_OPT="-g"
AC_C_COMPILE_FLAGS(-Wmissing-noreturn -Wredundant-decls -Wnested-externs -Wold-style-definition -Wmissing-declarations -Wmissing-format-attribute -Wvariadic-macros -Wdisabled-optimization -Wlarger-than-128000 -Waggregate-return -Wvolatile-register-var)
AC_DEFINE(RANGECHECK,1,[Define to enable internal range checking])
AC_DEFINE(INSTRUMENTED,1,[Define this to see real-time memory allocation statistics, and enable extra debugging features])
AC_DEFINE(TIMEDIAG,1,[Defining this causes time stamps to be created each time a lump is locked, and lumps locked for long periods of time are reported])
fi
AC_ARG_ENABLE(profile,AC_HELP_STRING([--enable-profile],[turns on profiling]),,enable_profile="no")
if test "$enable_profile" = "yes"
then
CFLAGS_OPT="-pg"
fi
AM_WITH_DMALLOC
dnl --- Try for processor optimisations
AC_CPU_OPTIMISATIONS
dnl --- some defaults for CFLAGS
AC_C_COMPILE_FLAGS(-Wextra -Wno-missing-field-initializers -Winline -Wwrite-strings -Wundef -Wbad-function-cast -Wcast-align -Wcast-qual -Wdeclaration-after-statement -ffast-math $CFLAGS_OPT)
dnl -Wmissing-prototypes -Wmissing-declarations
CFLAGS="$CFLAGS -I\$(top_srcdir)/src"
dnl --- Compiler characteristics
AC_C_CONST
AC_C_INLINE
if test "$cross_compiling" != "yes"; then
AC_C_BIGENDIAN
fi
dnl --- Header files, typedefs, structures
AC_TYPE_UID_T
AC_TYPE_SIZE_T
AC_DECL_SYS_SIGLIST
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(unistd.h asm/byteorder.h sched.h)
dnl --- Library functions
AC_CHECK_FUNC(stricmp,,AC_DEFINE(stricmp,strcasecmp,[Define to strcasecmp, if we have it]))
AC_CHECK_FUNC(strnicmp,,AC_DEFINE(strnicmp,strncasecmp,[Define to strncasecmp, if we have it]))
AC_CHECK_FUNC(min,AC_DEFINE(MIN,min,[If your platform has a fast version of min, define MIN to it]),)
AC_CHECK_FUNC(max,AC_DEFINE(MAX,max,[If your platform has a fast version of max, define MAX to it]),)
AC_CHECK_FUNCS(getopt inet_aton inet_pton inet_ntop snprintf vsnprintf mmap usleep sched_setaffinity)
dnl --- Check for libraries
dnl --- cph: we need pow(3) in SDL/i_sound.c; on some systems it gets pulled
dnl --- in by other libraries, but we can't rely on that.
AC_CHECK_LIB(m,pow)
dnl - system specific stuff
case "$target" in
*-*-cygwin* | *-*-mingw32*)
SYS_GL_LIBS="-lopengl32"
;;
*-*-beos*)
SYS_GL_LIBS="-lGL -lGLU"
;;
*-*-aix*)
if test x$ac_cv_prog_gcc = xyes; then
CFLAGS="$CFLAGS -mthreads"
fi
;;
*)
SYS_GL_LIBS="-lGL -lGLU"
;;
esac
dnl - GL
AC_ARG_ENABLE(gl,AC_HELP_STRING([--disable-gl],[disable OpenGL rendering code]),,enable_gl="yes")
if test "$enable_gl" = "yes"
then
AC_MSG_CHECKING(for OpenGL support)
have_opengl=no
AC_TRY_COMPILE([
#include <GL/gl.h>
],[
],[
have_opengl=yes
])
AC_MSG_RESULT($have_opengl)
if test x$have_opengl = xyes; then
AC_DEFINE(GL_DOOM,1,[Define if you are building with OpenGL support])
AC_DEFINE(USE_GLU_IMAGESCALE,1,[Define if you want to use gluImageScale])
AC_DEFINE(USE_GLU_MIPMAP,1,[Define if you want to use gluBuild2DMipmaps])
GL_LIBS="$SYS_GL_LIBS"
else
AC_MSG_ERROR([You must have the relevant OpenGL development libraries & headers installed to compile with OpenGL support])
fi
fi
AM_CONDITIONAL(BUILD_GL,test "$enable_gl" = "yes")
dnl - SDL
AM_PATH_SDL(1.1.3, sdl_main="yes")
if test "$sdl_main" != "yes"
then
AC_MSG_ERROR([*** You must have the SDL libraries installed before you can compile prboom
*** See http://prboom.sourceforge.net/linux.html
])
fi
savelibs="$LIBS"
LIBS="$LIBS $SDL_LIBS"
AC_CHECK_FUNCS(SDL_JoystickGetAxis)
LIBS="$savelibs"
AC_ARG_WITH([mixer],
AC_HELP_STRING([--without-mixer],[Do not use SDL_mixer even if available]),
[], AC_CHECK_LIB(SDL_mixer,Mix_OpenAudio,[],[],[$SDL_LIBS $MIXER_LIBS]))
AC_ARG_WITH(net,
AS_HELP_STRING([--without-net],[Do not use SDL_net even if available]),
[
dnl -- Networking was disabled by the user.
NET_LIBS=
],[
dnl -- Check for networking support
AC_CHECK_LIB(SDL_net,SDLNet_UDP_Bind,[
AC_DEFINE(HAVE_NET,1,[Define if you want network game support])
AC_DEFINE(HAVE_LIBSDL_NET,1,
[Define if you have the SDL net library -lSDL_net])
AC_DEFINE(USE_SDL_NET,1,[Define if you want to use the SDL net lib])
NET_LIBS=-lSDL_net
sdl_net=yes
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $SDL_CFLAGS"
AC_TRY_COMPILE([
#include "SDL_net.h"
],[
UDPpacket *p;
int n = sizeof(p->src);
],
AC_DEFINE(SDL_NET_UDP_PACKET_SRC,1,[Define if you have an old SDL_net, such that the UDPpacket structure has a src member instead of an address member]))
CFLAGS="$save_CFLAGS"
],[
dnl -- Warn if networking support was not disabled but sdlnet is missing
AC_MSG_WARN([*** SDL networking library not found. The game will not be compiled with network game support.])
],$SDL_LIBS)
])
dnl - Other libs
AC_CHECK_LIB(png,png_create_info_struct)
AC_EGREP_HEADER(sockaddr_in6,netinet/in.h,AC_DEFINE(HAVE_IPv6,1,[Define if you have struct sockaddr_in6]))
dnl --- Options
dnl - Always use highres mode and basic checks - anyone that wants these off can edit the config.h
AC_DEFINE(HIGHRES,1,[Define for high resolution support])
AC_DEFINE(SIMPLECHECKS,1,[When defined this causes quick checks which only impose significant overhead if a posible error is detected.])
AC_DEFINE(ZONEIDCHECK,1,[Define this to perform id checks on zone blocks, to detect corrupted and illegally freed blocks])
AC_ARG_ENABLE(dogs,AC_HELP_STRING([--disable-dogs],[disables support for helper dogs]),,enable_dogs="yes")
if test x"$enable_dogs" = xyes
then
AC_DEFINE(DOGS,1,[Define for support for MBF helper dogs])
fi
AC_ARG_ENABLE(heapcheck,AC_HELP_STRING([--enable-heapcheck],[turns on continuous heap checking (very slow)]),,enable_heapcheck="no")
AC_ARG_ENABLE(heapdump,AC_HELP_STRING([--enable-heapdump],[turns on dumping the heap state for debugging]),,enable_heapdump="no")
if test "$enable_heapcheck" = "yes"
then
AC_DEFINE(CHECKHEAP,1,[Uncomment this to exhaustively run memory checks while the game is running (this is EXTREMELY slow).])
fi
if test "$enable_heapdump" = "yes"
then
AC_DEFINE(HEAPDUMP,1,[Uncomment this to cause heap dumps to be generated. Only useful if INSTRUMENTED is also defined.])
fi
AM_CONDITIONAL(WAD_MMAP,test "$ac_cv_func_mmap" = yes)
AC_SUBST(MIXER_CFLAGS)
AC_SUBST(MIXER_LIBS)
AC_SUBST(NET_CFLAGS)
AC_SUBST(NET_LIBS)
AC_SUBST(MATH_LIB)
AC_SUBST(GL_LIBS)
AC_SUBST(CFLAGS)
AC_SUBST(DOOMWADDIR)
dnl --- output
AC_OUTPUT(Makefile src/Makefile src/POSIX/Makefile src/SDL/Makefile src/MAC/Makefile doc/Makefile data/Makefile ICONS/Makefile VisualC6/Makefile VisualC8/Makefile prboom.spec)