[deliverable/linux.git] / include / linux / compiler-gcc3.h

#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

/*
 * A trick to suppress uninitialized variable warning without generating any
 * code
 */
#define uninitialized_var(x) x = x

#define __always_inline		inline __attribute__((always_inline))
Commit	Line	Data
94f582f8 RD	1	#ifndef __LINUX_COMPILER_H
	2	#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
	3	#endif
1da177e4	4
6680598b IM	5	#if __GNUC_MINOR__ < 2
	6	# error Sorry, your compiler is too old - please upgrade it.
	7	#endif
	8
1da177e4	9	#if __GNUC_MINOR__ >= 3
0d7ebbbc	10	# define __used __attribute__((__used__))
1da177e4	11	#else
0d7ebbbc	12	# define __used __attribute__((__unused__))
1da177e4 LT	13	#endif
1da177e4 LT	14
1da177e4 LT	15	#if __GNUC_MINOR__ >= 4
	16	#define __must_check __attribute__((warn_unused_result))
	17	#endif
	18
94909914 BP	19	/*
	20	* A trick to suppress uninitialized variable warning without generating any
	21	* code
	22	*/
	23	#define uninitialized_var(x) x = x
	24
40fc55cb	25	#define __always_inline inline __attribute__((always_inline))