From fb8ffd7cfc68b3dc44e182356a207d784cb30b34 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 4 Sep 2014 02:40:58 +0900 Subject: compiler*.h: sync include/linux/compiler*.h with Linux 3.16 Copy them from Linux v3.16 tag. My main motivation of this commit is to add compiler-clang.h. Signed-off-by: Masahiro Yamada Cc: Jeroen Hofstee --- include/linux/compiler-gcc3.h | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) (limited to 'include/linux/compiler-gcc3.h') diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h index 2befe6513ce..7d89febe4d7 100644 --- a/include/linux/compiler-gcc3.h +++ b/include/linux/compiler-gcc3.h @@ -2,20 +2,22 @@ #error "Please don't include directly, include instead." #endif -#if __GNUC_MINOR__ >= 3 +#if GCC_VERSION < 30200 +# error Sorry, your compiler is too old - please upgrade it. +#endif + +#if GCC_VERSION >= 30300 # define __used __attribute__((__used__)) #else # define __used __attribute__((__unused__)) #endif -#if __GNUC_MINOR__ >= 4 +#if GCC_VERSION >= 30400 #define __must_check __attribute__((warn_unused_result)) #endif -/* - * A trick to suppress uninitialized variable warning without generating any - * code - */ -#define uninitialized_var(x) x = x - -#define __always_inline inline __attribute__((always_inline)) +#ifdef CONFIG_GCOV_KERNEL +# if GCC_VERSION < 30400 +# error "GCOV profiling support for gcc versions below 3.4 not included" +# endif /* __GNUC_MINOR__ */ +#endif /* CONFIG_GCOV_KERNEL */ -- cgit v1.2.3