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Disable __attribute__ entirely on g++ < 3.4. (Bug #2717)

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include/my_global.h:
  Disable __attribute__ on g++ < 3.4. There are actually some forms of it that
  are supported, but rather than create more ATTRIBUTE_<foo> macros to handle
  them, it is easier to just disable them all. We will catch the compiler warnings
  with more recent versions of g++.
This commit is contained in:
unknown
2006-09-29 19:28:16 -07:00
parent 09a9e9a275
commit 89fa50a92b
1 changed files with 15 additions and 10 deletions
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25
include/my_global.h
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@@ -423,23 +423,28 @@ typedef unsigned short ushort;
#endif
/*
Disable __attribute__() on GCC < 2.7 and non-GCC compilers
Disable __attribute__() on gcc < 2.7, g++ < 3.4, and non-gcc compilers.
Some forms of __attribute__ are actually supported in earlier versions of
g++, but we just disable them all because we only use them to generate
compilation warnings.
*/
#if !defined(__attribute__) && (!defined(__GNUC__) || GCC_VERSION < 2007)
#define __attribute__(A)
#ifndef __attribute__
# if !defined(__GNUC__)
# define __attribute__(A)
# elif GCC_VERSION < 2008
# define __attribute__(A)
# elif defined(__cplusplus__) && GCC_VERSION < 3004
# define __attribute__(A)
# endif
#endif
/*
__attribute__((format(...))) is only supported in gcc >= 2.8 and g++ >= 3.4
But that's already covered by the __attribute__ tests above, so this is
just a convenience macro.
*/
#ifndef ATTRIBUTE_FORMAT
# if defined(__GNUC__) && \
((!defined(__cplusplus__) && GCC_VERSION >= 2008) || \
GCC_VERSION >= 3004)
# define ATTRIBUTE_FORMAT(style, m, n) __attribute__((format(style, m, n)))
# else
# define ATTRIBUTE_FORMAT(style, m, n)
# endif
# define ATTRIBUTE_FORMAT(style, m, n) __attribute__((format(style, m, n)))
#endif
/* From old s-system.h */