Extract compiler-specific macro definitions in a new wx/compiler.h.
This solves the problem with wx/defs.h -> wx/platform.h -> wx/setup.h which resolves to msvc/wx/setup.h -> wx/version.h -> wx/cpp.h include path which resulted in __VISUALC__ not being defined in wx/cpp.h. This problem was not new but went unnoticed for a long time and was only discovered when wxCHECK_VISUALC_VERSION() started being used in wx/cpp.h too as now the compiler started warning about wrong #if syntax due to it being undefined. Putting the compiler-specific definitions in a separate file allows this file to be included from wx/cpp.h to ensure that these symbols are always defined in it and also makes things a little better organized. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@74496 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
152
include/wx/compiler.h
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152
include/wx/compiler.h
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/*
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* Name: wx/compiler.h
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* Purpose: Compiler-specific macro definitions.
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* Author: Vadim Zeitlin
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* Created: 2013-07-13 (extracted from wx/platform.h)
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* Copyright: (c) 1997-2013 Vadim Zeitlin <vadim@wxwidgets.org>
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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_COMPILER_H_
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#define _WX_COMPILER_H_
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/*
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Compiler detection and related helpers.
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*/
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#ifdef __INTEL_COMPILER
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# define __INTELC__
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#elif defined(_MSC_VER)
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/*
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define another standard symbol for Microsoft Visual C++: the standard
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one (_MSC_VER) is also defined by some other compilers.
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*/
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# define __VISUALC__ _MSC_VER
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/*
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define special symbols for different VC version instead of writing tests
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for magic numbers such as 1200, 1300 &c repeatedly
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*/
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#if __VISUALC__ < 1100
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# error "This Visual C++ version is too old and not supported any longer."
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#elif __VISUALC__ < 1200
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# define __VISUALC5__
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#elif __VISUALC__ < 1300
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# define __VISUALC6__
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#elif __VISUALC__ < 1400
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# define __VISUALC7__
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#elif __VISUALC__ < 1500
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# define __VISUALC8__
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#elif __VISUALC__ < 1600
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# define __VISUALC9__
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#elif __VISUALC__ < 1700
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# define __VISUALC10__
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#elif __VISUALC__ < 1800
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# define __VISUALC11__
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#elif __VISUALC__ < 1900
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# define __VISUALC12__
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#else
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# pragma message("Please update wx/compiler.h to recognize this VC++ version")
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#endif
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#elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
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# define __BORLANDC__
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#elif defined(__WATCOMC__)
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#elif defined(__SC__)
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# define __SYMANTECC__
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#elif defined(__SUNPRO_CC)
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# ifndef __SUNCC__
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# define __SUNCC__ __SUNPRO_CC
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# endif /* Sun CC */
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#elif defined(__SC__)
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# ifdef __DMC__
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# define __DIGITALMARS__
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# else
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# define __SYMANTEC__
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# endif
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#endif /* compiler */
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/*
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Macros for checking compiler version.
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*/
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/*
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This macro can be used to test the gcc version and can be used like this:
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# if wxCHECK_GCC_VERSION(3, 1)
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... we have gcc 3.1 or later ...
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# else
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... no gcc at all or gcc < 3.1 ...
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# endif
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*/
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#if defined(__GNUC__) && defined(__GNUC_MINOR__)
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#define wxCHECK_GCC_VERSION( major, minor ) \
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( ( __GNUC__ > (major) ) \
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|| ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
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#else
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#define wxCHECK_GCC_VERSION( major, minor ) 0
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#endif
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/*
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This macro can be used to test the Visual C++ version.
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*/
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#ifndef __VISUALC__
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# define wxVISUALC_VERSION(major) 0
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# define wxCHECK_VISUALC_VERSION(major) 0
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#else
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# define wxVISUALC_VERSION(major) ( (6 + major) * 100 )
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# define wxCHECK_VISUALC_VERSION(major) ( __VISUALC__ >= wxVISUALC_VERSION(major) )
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#endif
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/**
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This is similar to wxCHECK_GCC_VERSION but for Sun CC compiler.
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*/
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#ifdef __SUNCC__
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/*
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__SUNCC__ is 0xVRP where V is major version, R release and P patch level
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*/
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#define wxCHECK_SUNCC_VERSION(maj, min) (__SUNCC__ >= (((maj)<<8) | ((min)<<4)))
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#else
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#define wxCHECK_SUNCC_VERSION(maj, min) (0)
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#endif
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#ifndef __WATCOMC__
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# define wxWATCOM_VERSION(major,minor) 0
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# define wxCHECK_WATCOM_VERSION(major,minor) 0
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# define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
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# define WX_WATCOM_ONLY_CODE( x )
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#else
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# if __WATCOMC__ < 1200
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# error "Only Open Watcom is supported in this release"
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# endif
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# define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
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# define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
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# define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
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# define WX_WATCOM_ONLY_CODE( x ) x
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#endif
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/*
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This macro can be used to check that the version of mingw32 compiler is
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at least maj.min
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*/
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#if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
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( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
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wxCHECK_WATCOM_VERSION(1,0) ) && \
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!defined(__DOS__) && \
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!defined(__WXPM__) && \
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!defined(__WXMOTIF__) && \
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!defined(__WXX11__)
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# include "wx/msw/gccpriv.h"
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#else
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# undef wxCHECK_W32API_VERSION
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# define wxCHECK_W32API_VERSION(maj, min) (0)
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# undef wxCHECK_MINGW32_VERSION
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# define wxCHECK_MINGW32_VERSION(maj, min) (0)
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#endif
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#endif // _WX_COMPILER_H_
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