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authorJon Turney <jon.turney@dronecode.org.uk>2016-06-09 18:21:35 +0000
committerJon Turney <jon.turney@dronecode.org.uk>2016-07-15 19:46:54 +0100
commitc7151401e09b677559b5f280c2b4e8b0b8d33a41 (patch)
tree0749f8e6c166a33f354b544513b169cad8c345f2 /include/c11
parent7d8edbaee72969355dc3519b91671ff930e01b2e (diff)
Disable use of weak in threads_posix.h on Cygwin
Weak doesn't work the same on PE/COFF as on ELF, they are only weak references. Specifically, since nothing else pulls in the object which contains pthread_mutexattr_init() (and coming from the C library, that is the only thing that object contains), means that it ends up as 0 Signed-off-by: Jon Turney <jon.turney@dronecode.org.uk>
Diffstat (limited to 'include/c11')
-rw-r--r--include/c11/threads_posix.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/c11/threads_posix.h b/include/c11/threads_posix.h
index 61b7fabf63..43e803ee8d 100644
--- a/include/c11/threads_posix.h
+++ b/include/c11/threads_posix.h
@@ -184,7 +184,7 @@ mtx_destroy(mtx_t *mtx)
* Thus the linker will be happy and things don't clash when building
* with -O1 or greater.
*/
-#ifdef HAVE_FUNC_ATTRIBUTE_WEAK
+#if defined(HAVE_FUNC_ATTRIBUTE_WEAK) && !defined(__CYGWIN__)
__attribute__((weak))
int pthread_mutexattr_init(pthread_mutexattr_t *attr);