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Merge commit 'v2.6.36-rc1' into HEAD
[karo-tx-linux.git] / include / linux / compiler-gcc3.h
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
25 /*
26  * A trick to suppress uninitialized variable warning without generating any
27  * code
28  */
29 #define uninitialized_var(x) x = x
30
31 #define __always_inline         inline __attribute__((always_inline))