Issue #12372: POSIX semaphores are broken on AIX: don't use them.

Misc/NEWS

@@ -34,6 +34,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #12372: POSIX semaphores are broken on AIX: don't use them.
+
 - Issue #12571: Add a plat-linux3 directory mirroring the plat-linux2
   directory, so that "import DLFCN" and other similar imports work on
   Linux 3.0.

configure

@@ -8995,11 +8995,7 @@ $as_echo "#define HAVE_PTHREAD_DESTRUCTOR 1" >>confdefs.h
 $as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
 
 		       ;;
-      AIX/5)
-$as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
-
-		       ;;
-      AIX/6)
+      AIX/*)
 $as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
 
 		       ;;

configure.in

@@ -2365,12 +2365,9 @@ if test "$posix_threads" = "yes"; then
       SunOS/5.8) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
 		       [Define if the Posix semaphores do not work on your system])
 		       ;;
-      AIX/5) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
+      AIX/*) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
 		       [Define if the Posix semaphores do not work on your system])
 		       ;;
-      AIX/6) AC_DEFINE(HAVE_BROKEN_POSIX_SEMAPHORES, 1,
-                      Define if the Posix semaphores do not work on your system)
-                      ;;
       esac
 
       AC_MSG_CHECKING(if PTHREAD_SCOPE_SYSTEM is supported)