include/wx/compiler.h

   1 /*
   2  * Name:        wx/compiler.h
   3  * Purpose:     Compiler-specific macro definitions.
   4  * Author:      Vadim Zeitlin
   5  * Created:     2013-07-13 (extracted from wx/platform.h)
   6  * Copyright:   (c) 1997-2013 Vadim Zeitlin <vadim@wxwidgets.org>
   7  * Licence:     wxWindows licence
   8  */
   9
  10 /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
  11
  12 #ifndef _WX_COMPILER_H_
  13 #define _WX_COMPILER_H_
  14
  15 /*
  16     Compiler detection and related helpers.
  17  */
  18
  19 /*
  20     Notice that Intel compiler can be used as Microsoft Visual C++ add-on and
  21     so we should define both __INTELC__ and __VISUALC__ for it.
  22  */
  23 #ifdef __INTEL_COMPILER
  24 #   define __INTELC__
  25 #endif
  26
  27 #if defined(_MSC_VER)
  28     /*
  29        define another standard symbol for Microsoft Visual C++: the standard
  30        one (_MSC_VER) is also defined by some other compilers.
  31      */
  32 #   define __VISUALC__ _MSC_VER
  33
  34     /*
  35       define special symbols for different VC version instead of writing tests
  36       for magic numbers such as 1200, 1300 &c repeatedly
  37     */
  38 #if __VISUALC__ < 1100
  39 #   error "This Visual C++ version is too old and not supported any longer."
  40 #elif __VISUALC__ < 1200
  41 #   define __VISUALC5__
  42 #elif __VISUALC__ < 1300
  43 #   define __VISUALC6__
  44 #elif __VISUALC__ < 1400
  45 #   define __VISUALC7__
  46 #elif __VISUALC__ < 1500
  47 #   define __VISUALC8__
  48 #elif __VISUALC__ < 1600
  49 #   define __VISUALC9__
  50 #elif __VISUALC__ < 1700
  51 #   define __VISUALC10__
  52 #elif __VISUALC__ < 1800
  53 #   define __VISUALC11__
  54 #elif __VISUALC__ < 1900
  55 #   define __VISUALC12__
  56 #else
  57 #   pragma message("Please update wx/compiler.h to recognize this VC++ version")
  58 #endif
  59
  60 #elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
  61 #   define __BORLANDC__
  62 #elif defined(__WATCOMC__)
  63 #elif defined(__SC__)
  64 #   define __SYMANTECC__
  65 #elif defined(__SUNPRO_CC)
  66 #   ifndef __SUNCC__
  67 #       define __SUNCC__ __SUNPRO_CC
  68 #   endif /* Sun CC */
  69 #elif defined(__SC__)
  70 #    ifdef __DMC__
  71 #         define __DIGITALMARS__
  72 #    else
  73 #         define __SYMANTEC__
  74 #    endif
  75 #endif  /* compiler */
  76
  77 /*
  78    Macros for checking compiler version.
  79 */
  80
  81 /*
  82    This macro can be used to test the gcc version and can be used like this:
  83
  84 #    if wxCHECK_GCC_VERSION(3, 1)
  85         ... we have gcc 3.1 or later ...
  86 #    else
  87         ... no gcc at all or gcc < 3.1 ...
  88 #    endif
  89 */
  90 #if defined(__GNUC__) && defined(__GNUC_MINOR__)
  91     #define wxCHECK_GCC_VERSION( major, minor ) \
  92         ( ( __GNUC__ > (major) ) \
  93             || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
  94 #else
  95     #define wxCHECK_GCC_VERSION( major, minor ) 0
  96 #endif
  97
  98 /*
  99    This macro can be used to test the Visual C++ version.
 100 */
 101 #ifndef __VISUALC__
 102 #   define wxVISUALC_VERSION(major) 0
 103 #   define wxCHECK_VISUALC_VERSION(major) 0
 104 #else
 105 #   define wxVISUALC_VERSION(major) ( (6 + major) * 100 )
 106 #   define wxCHECK_VISUALC_VERSION(major) ( __VISUALC__ >= wxVISUALC_VERSION(major) )
 107 #endif
 108
 109 /**
 110     This is similar to wxCHECK_GCC_VERSION but for Sun CC compiler.
 111  */
 112 #ifdef __SUNCC__
 113     /*
 114        __SUNCC__ is 0xVRP where V is major version, R release and P patch level
 115      */
 116     #define wxCHECK_SUNCC_VERSION(maj, min) (__SUNCC__ >= (((maj)<<8) | ((min)<<4)))
 117 #else
 118     #define wxCHECK_SUNCC_VERSION(maj, min) (0)
 119 #endif
 120
 121 #ifndef __WATCOMC__
 122 #   define wxWATCOM_VERSION(major,minor) 0
 123 #   define wxCHECK_WATCOM_VERSION(major,minor) 0
 124 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
 125 #   define WX_WATCOM_ONLY_CODE( x )
 126 #else
 127 #   if __WATCOMC__ < 1200
 128 #       error "Only Open Watcom is supported in this release"
 129 #   endif
 130
 131 #   define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
 132 #   define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
 133 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
 134 #   define WX_WATCOM_ONLY_CODE( x )  x
 135 #endif
 136
 137 /*
 138    This macro can be used to check that the version of mingw32 compiler is
 139    at least maj.min
 140  */
 141
 142 /* Check for Mingw runtime version: */
 143 #if defined(__MINGW32_MAJOR_VERSION) && defined(__MINGW32_MINOR_VERSION)
 144     #define wxCHECK_MINGW32_VERSION( major, minor ) \
 145  ( ( ( __MINGW32_MAJOR_VERSION > (major) ) \
 146       || ( __MINGW32_MAJOR_VERSION == (major) && __MINGW32_MINOR_VERSION >= (minor) ) ) )
 147 #else
 148     #define wxCHECK_MINGW32_VERSION( major, minor ) (0)
 149 #endif
 150
 151 #endif // _WX_COMPILER_H_