1#ifndef __LINUX_COMPILER_H
 2#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
 3#endif
 4
 5#if __GNUC_MINOR__ < 2
 6# error Sorry, your compiler is too old - please upgrade it.
 7#endif
 8
 9#if __GNUC_MINOR__ >= 3
10# define __used			__attribute__((__used__))
11#else
12# define __used			__attribute__((__unused__))
13#endif
14
15#if __GNUC_MINOR__ >= 4
16#define __must_check		__attribute__((warn_unused_result))
17#endif
18
19#ifdef CONFIG_GCOV_KERNEL
20# if __GNUC_MINOR__ < 4
21#   error "GCOV profiling support for gcc versions below 3.4 not included"
22# endif /* __GNUC_MINOR__ */
23#endif /* CONFIG_GCOV_KERNEL */