From ffb9beb13e8daf3fcb6bab470d07962b05d619b7 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 18 Dec 2020 10:16:08 -0300 Subject: [PATCH] tools headers: Add conditional __has_builtin() As it'll be used by the ctype.h sync with its kernel source original. Cc: Adrian Hunter Cc: Ian Rogers Cc: Jiri Olsa Cc: Namhyung Kim Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/compiler_types.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/include/linux/compiler_types.h b/tools/include/linux/compiler_types.h index 31fc2caa758a0..feea09029f610 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 -- 2.39.5