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define WXDLLIMPEXP_FWD_XXX as nothing for mingw32 too to avoid warnings about __declspec being ignored in forward declarations

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@49005 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2007-10-01 12:14:35 +00:00
parent fb1a478979
commit 8ece1737f4
1 changed files with 7 additions and 3 deletions
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10
include/wx/dlimpexp.h
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@ -241,9 +241,13 @@
#define WXDLLIMPEXP_STC
#endif
/* GCC warns about using __attribute__ on forward declarations, so we need
another set of macros for them: */
#if defined(HAVE_VISIBILITY)
/*
GCC warns about using __attribute__ (and also __declspec in mingw32 case) on
forward declarations while MSVC complains about forward declarations without
__declspec for the classes later declared with it, so we need a separate set
of macros for forward declarations to hide this difference:
*/
#if defined(HAVE_VISIBILITY) || (defined(__WINDOWS__) && defined(__GNUC__))
#define WXDLLIMPEXP_FWD_BASE
#define WXDLLIMPEXP_FWD_NET
#define WXDLLIMPEXP_FWD_CORE