[libc++abi][NFC] Remove some cruft from <__cxxabi_config.h> (#164578)

In `<__cxxabi_config.h>` there were a few things still around which
aren't ever actually used. This removes some of that cruft.
This commit is contained in:
Nikolas Klauser 2025-11-10 20:04:26 +01:00 committed by GitHub
parent 0d97f43974
commit 46a8ddbd14
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@ -14,10 +14,6 @@
#define _LIBCXXABI_ARM_EHABI
#endif
#if !defined(__has_attribute)
#define __has_attribute(_attribute_) 0
#endif
#if defined(__clang__)
# define _LIBCXXABI_COMPILER_CLANG
# ifndef __apple_build_version__
@ -25,10 +21,6 @@
# endif
#elif defined(__GNUC__)
# define _LIBCXXABI_COMPILER_GCC
#elif defined(_MSC_VER)
# define _LIBCXXABI_COMPILER_MSVC
#elif defined(__IBMCPP__)
# define _LIBCXXABI_COMPILER_IBM
#endif
#if defined(_WIN32)
@ -66,17 +58,7 @@
#endif
#endif
#if defined(_LIBCXXABI_COMPILER_MSVC)
#define _LIBCXXABI_WEAK
#else
#define _LIBCXXABI_WEAK __attribute__((__weak__))
#endif
#if defined(__clang__)
#define _LIBCXXABI_COMPILER_CLANG
#elif defined(__GNUC__)
#define _LIBCXXABI_COMPILER_GCC
#endif
#if __has_attribute(__no_sanitize__) && defined(_LIBCXXABI_COMPILER_CLANG)
#define _LIBCXXABI_NO_CFI __attribute__((__no_sanitize__("cfi")))
@ -89,11 +71,7 @@
# define _LIBCXXABI_GUARD_ABI_ARM
#endif
#if defined(_LIBCXXABI_COMPILER_CLANG)
# if !__has_feature(cxx_exceptions)
# define _LIBCXXABI_NO_EXCEPTIONS
# endif
#elif defined(_LIBCXXABI_COMPILER_GCC) && !defined(__EXCEPTIONS)
#if !defined(__cpp_exceptions) || __cpp_exceptions < 199711L
# define _LIBCXXABI_NO_EXCEPTIONS
#endif