Don't use Posix semaphores on Solaris 8. Fixes #662787.
diff --git a/configure.in b/configure.in
index c8ba86b..8011c97 100644
--- a/configure.in
+++ b/configure.in
@@ -1447,6 +1447,12 @@
and your system does not define that.])
fi
+ # Bug 662787: Using semaphores causes unexplicable hangs on Solaris 8.
+ case $ac_sys_system/$ac_sys_release in
+ SunOS/5.8) 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)
AC_CACHE_VAL(ac_cv_pthread_system_supported,
[AC_TRY_RUN([#include <pthread.h>