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[libc++] Don't add #pragma clang attribute with GCC (#206989)

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GCC doesn't support `#pragma clang attribute`, which causes a bunch of
diagnostics. Since we have it behind a macro anyways we can simply
define the macro as empty with GCC.
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Nikolas Klauser 2026-07-22 17:46:13 +02:00 committed by GitHub
parent 06a6c5eed8
commit 6f3328e869
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1 changed files with 13 additions and 8 deletions
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21
libcxx/include/__configuration/namespace.h
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@ -46,15 +46,20 @@
# define _LIBCPP_POP_ABI_PRAGMA_DIAGNOSTICS
#endif
#define _LIBCPP_END_EXPLICIT_ABI_ANNOTATIONS \
_LIBCPP_PUSH_ABI_PRAGMA_DIAGNOSTICS \
_Pragma(_LIBCPP_TOSTRING(clang attribute _LibcxxExplicitABIAnnotations.push( \
__attribute__((__exclude_from_explicit_instantiation__, \
__visibility__("hidden"), \
__abi_tag__(_LIBCPP_TOSTRING(_LIBCPP_ODR_SIGNATURE)))), \
apply_to = function))) _LIBCPP_POP_ABI_PRAGMA_DIAGNOSTICS
#ifdef _LIBCPP_COMPILER_CLANG_BASED
# define _LIBCPP_END_EXPLICIT_ABI_ANNOTATIONS \
_LIBCPP_PUSH_ABI_PRAGMA_DIAGNOSTICS \
_Pragma(_LIBCPP_TOSTRING(clang attribute _LibcxxExplicitABIAnnotations.push( \
__attribute__((__exclude_from_explicit_instantiation__, \
__visibility__("hidden"), \
__abi_tag__(_LIBCPP_TOSTRING(_LIBCPP_ODR_SIGNATURE)))), \
apply_to = function))) _LIBCPP_POP_ABI_PRAGMA_DIAGNOSTICS
#define _LIBCPP_BEGIN_EXPLICIT_ABI_ANNOTATIONS _Pragma("clang attribute _LibcxxExplicitABIAnnotations.pop")
# define _LIBCPP_BEGIN_EXPLICIT_ABI_ANNOTATIONS _Pragma("clang attribute _LibcxxExplicitABIAnnotations.pop")
#else
# define _LIBCPP_END_EXPLICIT_ABI_ANNOTATIONS
# define _LIBCPP_BEGIN_EXPLICIT_ABI_ANNOTATIONS
#endif
// clang-format off