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Fix min gcc version for __attribute__(format)

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We currently use it only on gcc 4.5 or newer, but it was actually
introduced much earlier than that. It's documented in gcc 2.95.3
manual:
http://gcc.gnu.org/onlinedocs/gcc-2.95.3/gcc_4.html#SEC84
and glib uses starting from gcc 2.2.5.
This commit uses the same minimum version as glib.

This was causing warnings on RHEL6 systems which have gcc 4.4.7
This commit is contained in:
Christophe Fergeau 2013-08-19 17:47:29 +02:00
parent fe93908238
commit ffc3e8a327
1 changed files with 3 additions and 7 deletions
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10
common/macros.h
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@ -19,18 +19,14 @@
#ifndef __MACROS_H
#define __MACROS_H
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 5)
#define SPICE_ATTR_PRINTF(a,b) \
__attribute__((format(printf,a,b)))
#else
#define SPICE_ATTR_PRINTF(a,b)
#endif /* __GNUC__ */
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5)
#define SPICE_ATTR_NORETURN \
__attribute__((noreturn))
#define SPICE_ATTR_PRINTF(a,b) \
__attribute__((format(printf,a,b)))
#else
#define SPICE_ATTR_NORETURN
#define SPICE_ATTR_PRINTF
#endif /* __GNUC__ */