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 */
24