184 lines
6 KiB
C
184 lines
6 KiB
C
/*
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Name: wx/msw/gccpriv.h
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Purpose: MinGW/Cygwin definitions
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Author: Vadim Zeitlin
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Modified by:
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Created:
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Copyright: (c) Vadim Zeitlin
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Licence: wxWindows Licence
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*/
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/* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
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#ifndef _WX_MSW_GCCPRIV_H_
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#define _WX_MSW_GCCPRIV_H_
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#if defined(__MINGW32__) && !defined(__GNUWIN32__)
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#define __GNUWIN32__
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#endif
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#if defined(__MINGW32__)
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/*
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Include the header defining __MINGW32_{MAJ,MIN}OR_VERSION but check
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that UNICODE or _UNICODE is already defined, as _mingw.h relies on them
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being set and we'd get weird compilation errors later if it is included
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without them being defined, better give a clearer error right now.
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*/
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#if !defined(UNICODE)
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#ifndef wxUSE_UNICODE
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#error "wxUSE_UNICODE must be defined before including this header."
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#endif
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#if wxUSE_UNICODE
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#error "UNICODE must be defined before including this header."
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#endif
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#endif
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#include <_mingw.h>
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/*
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MinGW-w64 project provides compilers for both Win32 and Win64 but only
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defines the same __MINGW32__ symbol for the former as MinGW32 toolchain
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which is quite different (notably doesn't provide many SDK headers that
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MinGW-w64 does include). So we define a separate symbol which, unlike
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the predefined __MINGW64__, can be used to detect this toolchain in
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both 32 and 64 bit builds.
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And define __MINGW32_TOOLCHAIN__ for consistency and also because it's
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convenient as we often want to have some workarounds only for the (old)
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MinGW32 but not (newer) MinGW-w64, which still predefines __MINGW32__.
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*/
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#ifdef __MINGW64_VERSION_MAJOR
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#ifndef __MINGW64_TOOLCHAIN__
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#define __MINGW64_TOOLCHAIN__
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#endif
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#else
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#ifndef __MINGW32_TOOLCHAIN__
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#define __MINGW32_TOOLCHAIN__
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#endif
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#endif
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#define wxCHECK_MINGW32_VERSION( major, minor ) \
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( ( ( __MINGW32_MAJOR_VERSION > (major) ) \
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|| ( __MINGW32_MAJOR_VERSION == (major) && __MINGW32_MINOR_VERSION >= (minor) ) ) )
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#else
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#define wxCHECK_MINGW32_VERSION( major, minor ) (0)
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#endif
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#if defined( __MINGW32__ ) && !defined(__WINE__) && !defined( HAVE_W32API_H )
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#if __MINGW32_MAJOR_VERSION >= 1
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#define HAVE_W32API_H
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#endif
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#elif defined( __CYGWIN__ ) && !defined( HAVE_W32API_H )
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#if ( __GNUC__ > 2 )
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#define HAVE_W32API_H
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#endif
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#endif
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#if wxCHECK_WATCOM_VERSION(1,0)
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#define HAVE_W32API_H
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#endif
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/* check for MinGW/Cygwin w32api version ( releases >= 0.5, only ) */
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#if defined( HAVE_W32API_H )
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#include <w32api.h>
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#endif
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/* Watcom can't handle defined(xxx) here: */
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#if defined(__W32API_MAJOR_VERSION) && defined(__W32API_MINOR_VERSION)
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#define wxCHECK_W32API_VERSION( major, minor ) \
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( ( ( __W32API_MAJOR_VERSION > (major) ) \
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|| ( __W32API_MAJOR_VERSION == (major) && __W32API_MINOR_VERSION >= (minor) ) ) )
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#else
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#define wxCHECK_W32API_VERSION( major, minor ) (0)
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#endif
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/* Cygwin / Mingw32 with gcc >= 2.95 use new windows headers which
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are more ms-like (header author is Anders Norlander, hence the name) */
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#if (defined(__MINGW32__) || defined(__CYGWIN__) || defined(__WINE__)) && ((__GNUC__>2) || ((__GNUC__==2) && (__GNUC_MINOR__>=95)))
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#ifndef wxUSE_NORLANDER_HEADERS
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#define wxUSE_NORLANDER_HEADERS 1
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#endif
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#else
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#ifndef wxUSE_NORLANDER_HEADERS
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#define wxUSE_NORLANDER_HEADERS 0
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#endif
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#endif
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/* "old" GNUWIN32 is the one without Norlander's headers: it lacks the
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standard Win32 headers and we define the used stuff ourselves for it
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in wx/msw/gnuwin32/extra.h */
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#if defined(__GNUC__) && !wxUSE_NORLANDER_HEADERS
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#define __GNUWIN32_OLD__
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#endif
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/* Cygwin 1.0 */
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#if defined(__CYGWIN__) && ((__GNUC__==2) && (__GNUC_MINOR__==9))
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#define __CYGWIN10__
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#endif
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/* Mingw runtime 1.0-20010604 has some missing _tXXXX functions,
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so let's define them ourselves: */
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#if defined(__GNUWIN32__) && wxCHECK_W32API_VERSION( 1, 0 ) \
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&& !wxCHECK_W32API_VERSION( 1, 1 )
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#ifndef _tsetlocale
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#if wxUSE_UNICODE
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#define _tsetlocale _wsetlocale
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#else
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#define _tsetlocale setlocale
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#endif
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#endif
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#ifndef _tgetenv
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#if wxUSE_UNICODE
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#define _tgetenv _wgetenv
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#else
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#define _tgetenv getenv
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#endif
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#endif
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#ifndef _tfopen
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#if wxUSE_UNICODE
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#define _tfopen _wfopen
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#else
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#define _tfopen fopen
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#endif
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#endif
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#endif
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/* current (= before mingw-runtime 3.3) mingw32 headers forget to
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define _puttchar, this will probably be fixed in the next versions but
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for now do it ourselves
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*/
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#if defined( __MINGW32__ ) && \
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!wxCHECK_MINGW32_VERSION(3,3) && !defined( _puttchar )
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#ifdef wxUSE_UNICODE
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#define _puttchar putwchar
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#else
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#define _puttchar puttchar
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#endif
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#endif
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/*
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Traditional MinGW (but not MinGW-w64 nor TDM-GCC) omits many POSIX
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functions from their headers when compiled with __STRICT_ANSI__ defined.
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Unfortunately this means that they are not available when using -std=c++98
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(not very common) or -std=c++11 (much more so), but we still need them even
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in this case. As the intention behind using -std=c++11 is probably to get
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the new C++11 features and not disable the use of POSIX functions, we just
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manually declare the functions we need in this case if necessary.
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*/
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#if defined(__MINGW32_TOOLCHAIN__) && defined(__STRICT_ANSI__)
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#define wxNEEDS_STRICT_ANSI_WORKAROUNDS
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/*
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This macro is somewhat unusual as it takes the list of parameters
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inside parentheses and includes semicolon inside it as putting the
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semicolon outside wouldn't do the right thing when this macro is empty.
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*/
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#define wxDECL_FOR_STRICT_MINGW32(rettype, func, params) \
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extern "C" _CRTIMP rettype __cdecl __MINGW_NOTHROW func params ;
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#else
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#define wxDECL_FOR_STRICT_MINGW32(rettype, func, params)
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#endif
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#endif
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/* _WX_MSW_GCCPRIV_H_ */
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