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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-18 16:16:08 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-12-18 23:32:28 +0300 |
| commit | ffb9beb13e8daf3fcb6bab470d07962b05d619b7 (patch) | |
| tree | ac733335cb78467357ba9926b63ce0c2cbf115f6 | |
| parent | 4bba4c4bb09ad4a2b70836725e08439c86d8f9e4 (diff) | |
| download | linux-ffb9beb13e8daf3fcb6bab470d07962b05d619b7.tar.xz | |
tools headers: Add conditional __has_builtin()
As it'll be used by the ctype.h sync with its kernel source original.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/include/linux/compiler_types.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/include/linux/compiler_types.h b/tools/include/linux/compiler_types.h index 31fc2caa758a..feea09029f61 100644 --- a/tools/include/linux/compiler_types.h +++ b/tools/include/linux/compiler_types.h @@ -2,6 +2,17 @@ #ifndef __LINUX_COMPILER_TYPES_H #define __LINUX_COMPILER_TYPES_H +/* Builtins */ + +/* + * __has_builtin is supported on gcc >= 10, clang >= 3 and icc >= 21. + * In the meantime, to support gcc < 10, we implement __has_builtin + * by hand. + */ +#ifndef __has_builtin +#define __has_builtin(x) (0) +#endif + /* Compiler specific macros. */ #ifdef __GNUC__ #include <linux/compiler-gcc.h> |