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tools/nolibc: add compiler version detection macros

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Some upcoming logic needs to depend on the version of GCC or clang.

Add some helper macros to keep the conditionals readable.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Willy Tarreau <w@1wt.eu>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20251220-nolibc-uapi-types-v3-12-c662992f75d7@weissschuh.net
This commit is contained in:
Thomas Weißschuh
2025-12-20 14:55:56 +01:00
parent 6c9be90527
commit dd6659efe0
1 changed files with 16 additions and 0 deletions
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16
tools/include/nolibc/compiler.h
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@@ -47,4 +47,20 @@
# define __nolibc_fallthrough do { } while (0)
#endif /* __nolibc_has_attribute(fallthrough) */
#define __nolibc_version(_major, _minor, _patch) ((_major) * 10000 + (_minor) * 100 + (_patch))
#ifdef __GNUC__
# define __nolibc_gnuc_version \
__nolibc_version(__GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__)
#else
# define __nolibc_gnuc_version 0
#endif /* __GNUC__ */
#ifdef __clang__
# define __nolibc_clang_version \
__nolibc_version(__clang_major__, __clang_minor__, __clang_patchlevel__)
#else
# define __nolibc_clang_version 0
#endif /* __clang__ */
#endif /* _NOLIBC_COMPILER_H */