include/wx/platform.h

   1 /*
   2  * Name:        wx/platform.h
   3  * Purpose:     define the OS and compiler identification macros
   4  * Author:      Vadim Zeitlin
   5  * Modified by:
   6  * Created:     29.10.01 (extracted from wx/defs.h)
   7  * RCS-ID:      $Id$
   8  * Copyright:   (c) 1997-2001 wxWindows team
   9  * Licence:     wxWindows license
  10  */
  11
  12 /* THIS IS A C FILE, DON'T USE C++ FEATURES (IN PARTICULAR COMMENTS) IN IT */
  13
  14 #ifndef _WX_PLATFORM_H_
  15 #define _WX_PLATFORM_H_
  16
  17 /*
  18    first define Windows symbols if they're not defined on the command line: we
  19    can autodetect everything we need if _WIN32 is defined
  20  */
  21 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  22     && !defined(__WXX11__)
  23     /* for Cygwin, default to wxMSW unless otherwise specified */
  24     #ifndef __WXMSW__
  25         #define __WXMSW__
  26     #endif
  27
  28     #ifndef _WIN32
  29         #define _WIN32
  30     #endif
  31
  32     #ifndef WIN32
  33         #define WIN32
  34     #endif
  35 #endif
  36
  37 #if defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)
  38     #ifndef __WXMSW__
  39         #define __WXMSW__
  40     #endif
  41
  42     #ifndef __WIN32__
  43         #define __WIN32__
  44     #endif
  45
  46     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
  47     #if !defined(__WIN95__) && defined(WINVER) && (WINVER >= 0x0400)
  48         #define __WIN95__
  49     #endif
  50 #endif /* Win32 */
  51
  52 #if defined(__WXMSW__) || defined(__WIN32__)
  53     #if !defined(__WINDOWS__)
  54         #define __WINDOWS__
  55     #endif
  56 #endif
  57
  58 #ifdef __WINE__
  59     #ifndef __WIN95__
  60         #define __WIN95__
  61     #endif
  62 #endif /* WINE */
  63
  64 #if defined(TWIN32) && !defined(__TWIN32__)
  65     #define __TWIN32__
  66 #endif /* Twin32 */
  67
  68 /*
  69    Include wx/setup.h for the Unix platform defines generated by configure and
  70    the library compilation options
  71  */
  72 #include "wx/setup.h"
  73
  74 /* check the consistency of the settings in setup.h */
  75 #include "wx/chkconf.h"
  76
  77 /*
  78    old C++ headers (like <iostream.h>) declare classes in the global namespace
  79    while the new, standard ones (like <iostream>) do it in std:: namespace
  80
  81    using this macro allows constuctions like "wxSTD iostream" to work in
  82    either case
  83  */
  84 #if !wxUSE_IOSTREAMH
  85   #define wxSTD std::
  86 #else
  87  #define wxSTD
  88 #endif
  89
  90 /*
  91    OS: first of all, test for MS-DOS platform. We must do this before testing
  92        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
  93  */
  94 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
  95     #ifndef __DOS__
  96         #define __DOS__
  97     #endif
  98     /* size_t is the same as unsigned int for Watcom 11 compiler, */
  99     /* so define it if it hadn't been done by configure yet */
 100     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 101         #ifdef __WATCOMC__
 102             #define wxSIZE_T_IS_UINT
 103         #endif
 104         #ifdef __DJGPP__
 105             #define wxSIZE_T_IS_ULONG
 106         #endif
 107     #endif
 108
 109 /*
 110    OS: then test for generic Unix defines, then for particular flavours and
 111        finally for Unix-like systems
 112  */
 113 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 114       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 115       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 116       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 117
 118     #define __UNIX_LIKE__
 119
 120     /* Helps SGI compilation, apparently */
 121     #ifdef __SGI__
 122         #ifdef __GNUG__
 123             #define __need_wchar_t
 124         #else /* !gcc */
 125             /*
 126                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 127                idea to mix gcc and cc/CC, the name mangling is different
 128              */
 129             #define __SGI_CC__
 130         #endif /* gcc/!gcc */
 131     #endif  /* SGI */
 132
 133     #if defined(sun) || defined(__SUN__)
 134         #ifndef __GNUG__
 135             #ifndef __SUNCC__
 136                 #define __SUNCC__
 137             #endif /* Sun CC */
 138         #endif
 139     #endif /* Sun */
 140
 141     #ifdef __EMX__
 142         #define OS2EMX_PLAIN_CHAR
 143     #endif
 144
 145     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 146     #if defined(__hpux) && !defined(__HPUX__)
 147         #define __HPUX__
 148     #endif /* HP-UX */
 149
 150     #if defined(__CYGWIN__) || defined(__WINE__)
 151         #if !defined(wxSIZE_T_IS_UINT)
 152             #define wxSIZE_T_IS_UINT
 153         #endif
 154     #endif
 155 #elif defined(applec) || \
 156       defined(THINK_C) || \
 157       (defined(__MWERKS__) && !defined(__INTEL__))
 158       /* MacOS */
 159     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 160         #define wxSIZE_T_IS_ULONG
 161     #endif
 162 #elif defined(__WXMAC__) && defined(__APPLE__)
 163     /* Mac OS X */
 164     #define __UNIX_LIKE__
 165
 166     /*
 167       These defines are needed when compiling using Project Builder
 168       with a non generated setup0.h
 169     */
 170     #ifndef __UNIX__
 171         #define __UNIX__ 1
 172     #endif
 173     #ifndef __BSD__
 174         #define __BSD__ 1
 175     #endif
 176     #ifndef __DARWIN__
 177         #define __DARWIN__ 1
 178     #endif
 179     #ifndef __POWERPC__
 180         #define __POWERPC__ 1
 181     #endif
 182
 183     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 184         #define wxSIZE_T_IS_ULONG
 185     #endif
 186     /*
 187        Some code has been added to workaround defects(?) in the
 188        bundled gcc compiler. These corrections are identified by
 189        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 190      */
 191 #elif defined(__OS2__)
 192     #if defined(__IBMCPP__)
 193         #define __VISAGEAVER__ __IBMCPP__
 194     #endif
 195     #ifndef __WXOS2__
 196         #define __WXOS2__
 197     #endif
 198     #ifndef __WXPM__
 199         #define __WXPM__
 200     #endif
 201
 202     /* Place other OS/2 compiler environment defines here */
 203     #if defined(__VISAGECPP__)
 204         /* VisualAge is the only thing that understands _Optlink */
 205         #define LINKAGEMODE _Optlink
 206     #endif
 207     #define wxSIZE_T_IS_UINT
 208
 209 #else   /* Windows */
 210     #ifndef __WINDOWS__
 211         #define __WINDOWS__
 212     #endif  /* Windows */
 213
 214     /* to be changed for Win64! */
 215     #ifndef __WIN32__
 216         #define __WIN16__
 217     #endif
 218
 219     /*
 220        define another standard symbol for Microsoft Visual C++: the standard
 221        one (_MSC_VER) is also defined by Metrowerks compiler
 222      */
 223     #if defined(_MSC_VER) && !defined(__MWERKS__)
 224         #define __VISUALC__ _MSC_VER
 225     #elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 226         #define __BORLANDC__
 227       #elif defined(__WATCOMC__)
 228     #elif defined(__SC__)
 229         #define __SYMANTECC__
 230     #endif  /* compiler */
 231
 232     /* size_t is the same as unsigned int for all Windows compilers we know, */
 233     /* so define it if it hadn't been done by configure yet */
 234     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 235         #define wxSIZE_T_IS_UINT
 236     #endif
 237 #endif  /* OS */
 238
 239 /*
 240    if we're on a Unix system but didn't use configure (so that setup.h didn't
 241    define __UNIX__), do define __UNIX__ now
 242  */
 243 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 244     #define __UNIX__
 245 #endif /* Unix */
 246
 247 #if defined(__HPUX__) && !defined(__WXGTK__)
 248     #ifndef __WXMOTIF__
 249         #define __WXMOTIF__
 250     #endif /* __WXMOTIF__ */
 251 #endif
 252
 253 #if defined(__WXMOTIF__) || defined(__WXX11__)
 254     #define __X__
 255 #endif
 256
 257 /*
 258    This macro can be used to test the gcc version and can be used like this:
 259
 260     #if wxCHECK_GCC_VERSION(3, 1)
 261         ... we have gcc 3.1 or later ...
 262     #else
 263         ... no gcc at all or gcc < 3.1 ...
 264     #endif
 265 */
 266 #define wxCHECK_GCC_VERSION( major, minor ) \
 267     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 268     && ( ( __GNUC__ > (major) ) \
 269         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 270
 271 /*
 272    This macro can be used to check that the version of mingw32 compiler is
 273    at least maj.min
 274  */
 275 #if defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || defined( __CYGWIN__ )
 276     #include "wx/msw/gccpriv.h"
 277 #else
 278     #undef wxCHECK_W32API_VERSION
 279     #define wxCHECK_W32API_VERSION(maj, min) (0)
 280 #endif
 281
 282 #endif /* _WX_PLATFORM_H_ */
 283