GCC 14 started to advertise c_atomic extension, older versions didn't
do that. Add check for __clang__, so GCC doesn't include headers
designed for Clang.
Another option would be to prefer stdatomic implementation instead,
but some older versions of Clang are not able to use stdatomic.h
supplied by GCC as described in commit:
07ece367fb5f ("ovs-atomic: Prefer Clang intrinsics over <stdatomic.h>.")
This change fixes OVS build with GCC on Fedora Rawhide (40).
Reported-by: Jakob Meng <[email protected]>
Signed-off-by: Ilya Maximets <[email protected]>
---
lib/ovs-atomic.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/ovs-atomic.h b/lib/ovs-atomic.h
index ab9ce6b2e..f140d25fe 100644
--- a/lib/ovs-atomic.h
+++ b/lib/ovs-atomic.h
@@ -328,7 +328,7 @@
#if __CHECKER__
/* sparse doesn't understand some GCC extensions we use. */
#include "ovs-atomic-pthreads.h"
- #elif __has_extension(c_atomic)
+ #elif __clang__ && __has_extension(c_atomic)
#include "ovs-atomic-clang.h"
#elif HAVE_ATOMIC && __cplusplus >= 201103L
#include "ovs-atomic-c++.h"
--
2.43.0
_______________________________________________
dev mailing list
[email protected]
https://mail.openvswitch.org/mailman/listinfo/ovs-dev
