kernel-ark/include/linux/compiler-gcc3.h
Robert P. J. Day 94f582f82a Force erroneous inclusions of compiler-*.h files to be errors
Replace worthless comments with actual preprocessor errors when including
the wrong versions of the compiler.h files.

[akpm@linux-foundation.org: make it work]
Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17 08:42:47 -07:00

27 lines
730 B
C

#ifndef __LINUX_COMPILER_H
#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
#endif
/* These definitions are for GCC v3.x. */
#include <linux/compiler-gcc.h>
#if __GNUC_MINOR__ >= 3
# define __used __attribute__((__used__))
# define __attribute_used__ __used /* deprecated */
#else
# define __used __attribute__((__unused__))
# define __attribute_used__ __used /* deprecated */
#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))