Date: Sat, 30 Nov 2024 16:51:35 GMT From: John Baldwin <jhb@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 3cbb192a9ee8 - stable/13 - stdatomic: Only use clang atomics if __clang__ is defined Message-ID: <202411301651.4AUGpZwj049717@gitrepo.freebsd.org>
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The branch stable/13 has been updated by jhb: URL: https://cgit.FreeBSD.org/src/commit/?id=3cbb192a9ee8118b50fb926592c7caf1888f6b20 commit 3cbb192a9ee8118b50fb926592c7caf1888f6b20 Author: John Baldwin <jhb@FreeBSD.org> AuthorDate: 2024-07-19 17:01:07 +0000 Commit: John Baldwin <jhb@FreeBSD.org> CommitDate: 2024-11-29 19:25:18 +0000 stdatomic: Only use clang atomics if __clang__ is defined GCC 14 defines __has_extension(c_atomic) but does not support __c11_atomic_*, so require __clang__ for the CLANG_ATOMICS case. Reviewed by: imp, emaste Differential Revision: https://reviews.freebsd.org/D46001 (cherry picked from commit 680f40f38343de118d5b973129683804e496faaf) --- sys/sys/stdatomic.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/sys/stdatomic.h b/sys/sys/stdatomic.h index e05606b1ead8..099097ea84a4 100644 --- a/sys/sys/stdatomic.h +++ b/sys/sys/stdatomic.h @@ -33,7 +33,8 @@ #include <sys/cdefs.h> #include <sys/_types.h> -#if __has_extension(c_atomic) || __has_extension(cxx_atomic) +#if (__has_extension(c_atomic) || __has_extension(cxx_atomic)) && \ + defined(__clang__) #define __CLANG_ATOMICS #elif __GNUC_PREREQ__(4, 7) #define __GNUC_ATOMICS
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