[PATCH] stdatomic: make atomics compatible with GCC-14

Alexey Lapshin <[email protected]>
Newsgroups gmane.comp.lib.newlib
Message-ID <[email protected]>
https://gcc.gnu.org/pipermail/gcc-patches/2023-September/631525.html
brings c_atomic and cxx_atomic definitions into GCC.
This patch makes atomics type detection correct for GCC.
---
 newlib/libc/include/stdatomic.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/newlib/libc/include/stdatomic.h b/newlib/libc/include/stdatomic.h
index d58e795eb..fb1a7a0c2 100644
--- a/newlib/libc/include/stdatomic.h
+++ b/newlib/libc/include/stdatomic.h
@@ -33,7 +33,8 @@
 #include <sys/cdefs.h>
 #include <sys/_types.h>
 
-#if __has_extension(c_atomic) || __has_extension(cxx_atomic)
+#if defined(__clang__) && \
+    (__has_extension(c_atomic) || __has_extension(cxx_atomic))
 #define	__CLANG_ATOMICS
 #elif __GNUC_PREREQ__(4, 7)
 #define	__GNUC_ATOMICS
-- 
2.34.1
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