Issue #12372: POSIX semaphores are broken on AIX: don't use them.
diff --git a/Misc/NEWS b/Misc/NEWS
index b7d00f0..b4228aa 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,8 @@
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.
diff --git a/configure b/configure
index 4a60b10..dc20f69 100755
--- a/configure
+++ b/configure
@@ -8987,7 +8987,7 @@
# Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
case $ac_sys_system/$ac_sys_release in
- SunOS/5.6)
+ SunOS/5.6)
$as_echo "#define HAVE_PTHREAD_DESTRUCTOR 1" >>confdefs.h
;;
@@ -8995,14 +8995,10 @@
$as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
;;
- AIX/5)
+ AIX/*)
$as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
;;
- AIX/6)
-$as_echo "#define HAVE_BROKEN_POSIX_SEMAPHORES 1" >>confdefs.h
-
- ;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if PTHREAD_SCOPE_SYSTEM is supported" >&5
diff --git a/configure.in b/configure.in
index 9749e79..91a6c10 100644
--- a/configure.in
+++ b/configure.in
@@ -2359,18 +2359,15 @@
# Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
case $ac_sys_system/$ac_sys_release in
- SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
+ SunOS/5.6) AC_DEFINE(HAVE_PTHREAD_DESTRUCTOR, 1,
[Defined for Solaris 2.6 bug in pthread header.])
;;
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)