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using defined in a macro has undefined behavior

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39232 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett 2006-05-19 16:57:07 +00:00
parent 7c98266873
commit 49ca2a9920
1 changed files with 7 additions and 4 deletions
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11
include/wx/platform.h
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@ -516,10 +516,13 @@
... no gcc at all or gcc < 3.1 ...
# endif
*/
#define wxCHECK_GCC_VERSION( major, minor ) \
( defined(__GNUC__) && defined(__GNUC_MINOR__) \
&& ( ( __GNUC__ > (major) ) \
|| ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
#define wxCHECK_GCC_VERSION( major, minor ) \
( ( __GNUC__ > (major) ) \
|| ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
#else
#define wxCHECK_GCC_VERSION( major, minor ) 0
#endif
/*
This macro can be used to check that the version of mingw32 compiler is