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- #ifndef __LINUX_COMPILER_H
- #error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
- #endif
- #if __GNUC_MINOR__ < 2
- # error Sorry, your compiler is too old - please upgrade it.
- #endif
- #if __GNUC_MINOR__ >= 3
- # define __used __attribute__((__used__))
- #else
- # define __used __attribute__((__unused__))
- #endif
- #if __GNUC_MINOR__ >= 4
- #define __must_check __attribute__((warn_unused_result))
- #endif
- #ifdef CONFIG_GCOV_KERNEL
- # if __GNUC_MINOR__ < 4
- # error "GCOV profiling support for gcc versions below 3.4 not included"
- # endif /* __GNUC_MINOR__ */
- #endif /* CONFIG_GCOV_KERNEL */
- /*
- * A trick to suppress uninitialized variable warning without generating any
- * code
- */
- #define uninitialized_var(x) x = x
- #define __always_inline inline __attribute__((always_inline))
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