forked from mirrors/linux
e9c527163d
GCC 2.95 uses __va_copy instead of va_copy. Handle it inside compiler.h instead of in a casual file, and avoid the risk that this breaks with a newer compiler (which it could do). Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
29 lines
997 B
C
29 lines
997 B
C
/* Never include this file directly. Include <linux/compiler.h> instead. */
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/* These definitions are for GCC v2.x. */
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/* Somewhere in the middle of the GCC 2.96 development cycle, we implemented
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a mechanism by which the user can annotate likely branch directions and
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expect the blocks to be reordered appropriately. Define __builtin_expect
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to nothing for earlier compilers. */
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#include <linux/compiler-gcc.h>
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#if __GNUC_MINOR__ < 96
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# define __builtin_expect(x, expected_value) (x)
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#endif
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#define __attribute_used__ __attribute__((__unused__))
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/*
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* The attribute `pure' is not implemented in GCC versions earlier
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* than 2.96.
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*/
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#if __GNUC_MINOR__ >= 96
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# define __attribute_pure__ __attribute__((pure))
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# define __attribute_const__ __attribute__((__const__))
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#endif
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/* GCC 2.95.x/2.96 recognize __va_copy, but not va_copy. Actually later GCC's
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* define both va_copy and __va_copy, but the latter may go away, so limit this
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* to this header */
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#define va_copy __va_copy
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