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define __GNUC_PREREQ__ if it isn't available on host.

This commit is contained in:
yamt 2004-07-15 09:01:29 +00:00
parent f619a0eb00
commit fb79fa6390
1 changed files with 11 additions and 1 deletions
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12
usr.bin/make/make.h
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@ -1,4 +1,4 @@
/* $NetBSD: make.h,v 1.51 2004/07/01 20:38:09 jmc Exp $ */
/* $NetBSD: make.h,v 1.52 2004/07/15 09:01:29 yamt Exp $ */
/*
* Copyright (c) 1988, 1989, 1990, 1993
@ -99,6 +99,16 @@
# endif
#endif
#if !defined(__GNUC_PREREQ__)
#if defined(__GNUC__)
#define __GNUC_PREREQ__(x, y) \
((__GNUC__ == (x) && __GNUC_MINOR__ >= (y)) || \
(__GNUC__ > (x)))
#else /* defined(__GNUC__) */
#define __GNUC_PREREQ__(x, y) 0
#endif /* defined(__GNUC__) */
#endif /* !defined(__GNUC_PREREQ__) */
#if !defined(__unused)
#if __GNUC_PREREQ__(2, 7)
#define __unused __attribute__((__unused__))