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| author | John Baldwin <jhb@FreeBSD.org> | 2021-09-15 16:03:17 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2021-09-15 16:03:17 +0000 |
| commit | 9553c6af881e1f869cecb11b4476279e0ed6c4e0 (patch) | |
| tree | c2393b7cae7491f2ae633f2781d98e40b80fcfc7 | |
| parent | b14cd3a8339ea72cf39df4ccc53c830875c5d866 (diff) | |
| download | src-9553c6af881e1f869cecb11b4476279e0ed6c4e0.tar.gz src-9553c6af881e1f869cecb11b4476279e0ed6c4e0.zip | |
<linux/overflow.h>: Don't use __has_builtin().
GCC only added support for __has_builtin in GCC 10. However, all
supported versions of GCC and clang include these builtins so just use
them unconditionally.
This fixes the build with GCC 9.
Reviewed by: manu, hselasky, imp
Differential Revision: https://reviews.freebsd.org/D31942
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/overflow.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/overflow.h b/sys/compat/linuxkpi/common/include/linux/overflow.h index 6f53f0b59384..2d540796cd43 100644 --- a/sys/compat/linuxkpi/common/include/linux/overflow.h +++ b/sys/compat/linuxkpi/common/include/linux/overflow.h @@ -34,18 +34,9 @@ #include <sys/stdint.h> #include <sys/types.h> -#ifndef __has_builtin -#define __has_builtin(x) 0 -#endif - -#if __has_builtin(__builtin_add_overflow) #define check_add_overflow(a, b, c) \ __builtin_add_overflow(a, b, c) -#else -#error "Compiler does not support __builtin_add_overflow" -#endif -#if __has_builtin(__builtin_mul_overflow) #define check_mul_overflow(a, b, c) \ __builtin_mul_overflow(a, b, c) @@ -58,8 +49,5 @@ array_size(size_t x, size_t y) retval = SIZE_MAX; return (retval); } -#else -#error "Compiler does not support __builtin_mul_overflow" -#endif #endif /* __LINUX_OVERFLOW_H__ */ |