diff options
| author | Masahiro Yamada <yamada.m@jp.panasonic.com> | 2014-09-04 02:40:58 +0900 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-09-16 12:23:57 -0400 |
| commit | fb8ffd7cfc68b3dc44e182356a207d784cb30b34 (patch) | |
| tree | be23db4db6ee7ea999d5198c38391d0e0393cf30 /include/linux/compiler-gcc3.h | |
| parent | e6ca1ad604419619e2e6ba16a6e43cf15ff07fb1 (diff) | |
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 <yamada.m@jp.panasonic.com>
Cc: Jeroen Hofstee <jeroen@myspectrum.nl>
Diffstat (limited to 'include/linux/compiler-gcc3.h')
| -rw-r--r-- | include/linux/compiler-gcc3.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h index 2befe6513c..7d89febe4d 100644 --- a/include/linux/compiler-gcc3.h +++ b/include/linux/compiler-gcc3.h @@ -2,20 +2,22 @@ #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> 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 */ |