safe_math.h: Check if __GNUC__ is defined

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=4880

Facing the below issue after openssl is upgraded

Edk2\CryptoPkg\Library\OpensslLib\openssl\include\internal/safe_math.h(19):
warning C4668: '__GNUC__' is not defined as a preprocessor macro, replacing
with '0' for '#if/#elif'

CLA: trivial

Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>

Signed-off-by: Kalavakolanu Hema Anmisha <hema.anmisha.kalavakolanu@intel.com>

Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26204)
This commit is contained in:
Kalavakolanu, Hema Anmisha 2024-12-18 10:49:55 +05:30 committed by Tomas Mraz
parent 009fa4f924
commit 53b34561b5

View File

@ -16,8 +16,10 @@
# ifndef OPENSSL_NO_BUILTIN_OVERFLOW_CHECKING
# ifdef __has_builtin
# define has(func) __has_builtin(func)
# elif __GNUC__ > 5
# define has(func) 1
# elif defined(__GNUC__)
# if __GNUC__ > 5
# define has(func) 1
# endif
# endif
# endif /* OPENSSL_NO_BUILTIN_OVERFLOW_CHECKING */