From: Thomas Weißschuh Date: Sat, 19 Apr 2025 10:46:18 +0000 (+0200) Subject: tools/nolibc: add __nolibc_has_feature() X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=8399f14666688be8d84cb3ccbec6ee790c020b36;p=users%2Fjedix%2Flinux-maple.git tools/nolibc: add __nolibc_has_feature() Certain compiler features are signaled via the __has_feature() preprocessor builtin. Add a nolibc wrapper for it, similar to __nolibc_has_attribute(). Signed-off-by: Thomas Weißschuh Acked-by: Willy Tarreau Link: https://lore.kernel.org/r/20250419-nolibc-ubsan-v2-1-060b8a016917@weissschuh.net --- diff --git a/tools/include/nolibc/compiler.h b/tools/include/nolibc/compiler.h index fa1f547e7f13d..e6d6dc116e43a 100644 --- a/tools/include/nolibc/compiler.h +++ b/tools/include/nolibc/compiler.h @@ -12,6 +12,12 @@ # define __nolibc_has_attribute(attr) 0 #endif +#if defined(__has_feature) +# define __nolibc_has_feature(feature) __has_feature(feature) +#else +# define __nolibc_has_feature(feature) 0 +#endif + #if __nolibc_has_attribute(naked) # define __nolibc_entrypoint __attribute__((naked)) # define __nolibc_entrypoint_epilogue()