b934a6f27e
This will allow to find all the places with the workarounds for this ancient compiler version more easily in the future, when we drop support for it.
131 lines
3.9 KiB
C
131 lines
3.9 KiB
C
/*
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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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/*
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Notice that Intel compiler can be used as Microsoft Visual C++ add-on and
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so we should define both __INTELC__ and __VISUALC__ for it.
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*/
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#ifdef __INTEL_COMPILER
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# define __INTELC__
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#endif
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#if 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__ < 1900
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# error "This Visual C++ version is not supported any longer (at least MSVC 2015 required)."
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#elif __VISUALC__ < 2000
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/* There is no __VISUALC13__! */
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# define __VISUALC14__
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#else
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/*
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Don't forget to update include/msvc/wx/setup.h as well when adding
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support for a newer MSVC version here.
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*/
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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(__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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#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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/*
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clang predefines __GNUC__ and __GNUC_MINOR__ as 4 and 6, don't give an
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error below for it.
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*/
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#if defined(__clang__)
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#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
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#error "This clang version is not supported any longer (at least clang 3.4 required)."
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#endif
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#else
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#if !wxCHECK_GCC_VERSION(4, 8)
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#error "This gcc version is not supported any longer (at least gcc 4.8 required, gcc 6 or later recommended)."
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#endif
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/* Define a special symbol used to work around 4.8 problems. */
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#if __GNUC__ == 4 && __GNUC_MINOR__ == 8
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#define wxGCC_4_8
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#endif
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#endif
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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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/*
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Things used to be simple with the _MSC_VER value and the version number
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increasing in lock step, but _MSC_VER value of 1900 is VC14 and not the
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non existing (presumably for the superstitious reasons) VC13, so we now
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need to account for this with an extra offset.
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*/
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# define wxVISUALC_VERSION(major) ( (6 - (major >= 14 ? 1 : 0) + 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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/*
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wxCHECK_MINGW32_VERSION() is defined in wx/msw/gccpriv.h which is included
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later, see comments there.
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*/
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#endif // _WX_COMPILER_H_
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