diff options
| author | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
|---|---|---|
| committer | Meizu OpenSource <patchwork@meizu.com> | 2016-08-15 10:19:42 +0800 |
| commit | d2e1446d81725c351dc73a03b397ce043fb18452 (patch) | |
| tree | 4dbc616b7f92aea39cd697a9084205ddb805e344 /include/linux/compiler-gcc3.h | |
first commit
Diffstat (limited to 'include/linux/compiler-gcc3.h')
| -rw-r--r-- | include/linux/compiler-gcc3.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h new file mode 100644 index 000000000..7d89febe4 --- /dev/null +++ b/include/linux/compiler-gcc3.h @@ -0,0 +1,23 @@ +#ifndef __LINUX_COMPILER_H +#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead." +#endif + +#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 GCC_VERSION >= 30400 +#define __must_check __attribute__((warn_unused_result)) +#endif + +#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 */ |