libtool: backported macOS 11 support:

https://github.com/macports/macports-ports/blob/master/devel/libtool/files/dynamic_lookup-11.patch http://git.savannah.gnu.org/gitweb/?p=libtool.git;a=commitdiff;h=9e8c882517082fe5755f2524d23efb02f1522490 http://git.savannah.gnu.org/gitweb/?p=libtool.git;a=commitdiff;h=8f4bdbda0a0c85cf6375a4c7546b83eb3fb596d3 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44605 https://debbugs.gnu.org/cgi/bugreport.cgi?bug=44684
Dasperal · Dec 3, 2021 · e8fa541 · e8fa541
1 parent 7a7090b
commit e8fa541
Showing 1 changed file with 4 additions and 9 deletions.
diff --git a/acinclude/libtool.m4 b/acinclude/libtool.m4
@@ -947,16 +947,11 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
       _lt_dar_allow_undefined='${wl}-undefined ${wl}suppress' ;;
     darwin1.*)
       _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
-    darwin*) # darwin 5.x on
-      # if running on 10.5 or later, the deployment target defaults
-      # to the OS version, if on x86, and 10.4, the deployment
-      # target defaults to 10.4. Don't you love it?
-      case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
-	10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
-	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
-	10.[[012]]*)
+    darwin*)
+      case ${MACOSX_DEPLOYMENT_TARGET},$host in
+	10.[[012]],*|,*powerpc*-darwin[[5-8]]*)
 	  _lt_dar_allow_undefined='${wl}-flat_namespace ${wl}-undefined ${wl}suppress' ;;
-	10.*)
+	*)
 	  _lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
       esac
     ;;