blob: d84a1ab46049a034ca47f2991aaeb8264acdf379 [file] [log] [blame]
From d5c628a6179b99705fa05ab87437321b132c81bc Mon Sep 17 00:00:00 2001
From: Brendan Heading <brendanheading@gmail.com>
Date: Wed, 21 Jun 2017 16:36:15 -0400
Subject: [PATCH] Fix compile time atomic detection
Improved compile-time detection of atomic support in the compiler.
Upstream-Status: 'Needs information'
See : https://gitlab.gnome.org/GNOME/glib/issues/1063
Signed-off-by: Brendan Heading <brendanheading@gmail.com>
Signed-off-by: Adam Duskett <aduskett@gmail.com>
---
glib/gthread-posix.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/glib/gthread-posix.c b/glib/gthread-posix.c
index 71a6b7b..d09d029 100644
--- a/glib/gthread-posix.c
+++ b/glib/gthread-posix.c
@@ -73,7 +73,7 @@
#endif
/* clang defines __ATOMIC_SEQ_CST but doesn't support the GCC extension */
-#if defined(HAVE_FUTEX) && defined(__ATOMIC_SEQ_CST) && !defined(__clang__)
+#if defined(HAVE_FUTEX) && defined(__ATOMIC_SEQ_CST) && defined(__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4) && !defined(__clang__)
#define USE_NATIVE_MUTEX
#endif
--
2.9.4