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 /*
  19     Codewarrior doesn't define any Windows symbols until some headers
  20     are included
  21 */
  22 #if __MWERKS__
  23     #include <stddef.h>
  24     #if defined(WIN32) || defined(_WIN32)
  25         #ifndef WINVER
  26             #define WINVER  0x0400
  27         #endif
  28     #endif
  29 #endif
  30
  31
  32 /*
  33    first define Windows symbols if they're not defined on the command line: we
  34    can autodetect everything we need if _WIN32 is defined
  35  */
  36 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  37     && !defined(__WXX11__)
  38     /* for Cygwin, default to wxMSW unless otherwise specified */
  39     #ifndef __WXMSW__
  40         #define __WXMSW__
  41     #endif
  42
  43     #ifndef _WIN32
  44         #define _WIN32
  45     #endif
  46
  47     #ifndef WIN32
  48         #define WIN32
  49     #endif
  50 #endif
  51
  52 #if defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)
  53     #ifndef __WXMSW__
  54         #define __WXMSW__
  55     #endif
  56
  57     #ifndef __WIN32__
  58         #define __WIN32__
  59     #endif
  60
  61     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
  62     #if !defined(__WIN95__) && defined(WINVER) && (WINVER >= 0x0400)
  63         #define __WIN95__
  64     #endif
  65 #endif /* Win32 */
  66
  67 #if defined(__WXMSW__) || defined(__WIN32__)
  68     #if !defined(__WINDOWS__)
  69         #define __WINDOWS__
  70     #endif
  71 #endif
  72
  73 #ifdef __WINE__
  74     #ifndef __WIN95__
  75         #define __WIN95__
  76     #endif
  77 #endif /* WINE */
  78
  79 #if defined(TWIN32) && !defined(__TWIN32__)
  80     #define __TWIN32__
  81 #endif /* Twin32 */
  82
  83 /*
  84    Include wx/setup.h for the Unix platform defines generated by configure and
  85    the library compilation options
  86  */
  87 #include "wx/setup.h"
  88
  89 /* check the consistency of the settings in setup.h */
  90 #include "wx/chkconf.h"
  91
  92 /*
  93    old C++ headers (like <iostream.h>) declare classes in the global namespace
  94    while the new, standard ones (like <iostream>) do it in std:: namespace
  95
  96    using this macro allows constuctions like "wxSTD iostream" to work in
  97    either case
  98  */
  99 #if !wxUSE_IOSTREAMH
 100   #define wxSTD std::
 101 #else
 102  #define wxSTD
 103 #endif
 104
 105 /*
 106    OS: first of all, test for MS-DOS platform. We must do this before testing
 107        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 108  */
 109 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 110     #ifndef __DOS__
 111         #define __DOS__
 112     #endif
 113     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 114     /* so define it if it hadn't been done by configure yet */
 115     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 116         #ifdef __WATCOMC__
 117             #define wxSIZE_T_IS_UINT
 118         #endif
 119         #ifdef __DJGPP__
 120             #define wxSIZE_T_IS_ULONG
 121         #endif
 122     #endif
 123
 124 /*
 125    OS: then test for generic Unix defines, then for particular flavours and
 126        finally for Unix-like systems
 127  */
 128 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 129       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 130       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 131       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 132
 133     #define __UNIX_LIKE__
 134
 135     /* Helps SGI compilation, apparently */
 136     #ifdef __SGI__
 137         #ifdef __GNUG__
 138             #define __need_wchar_t
 139         #else /* !gcc */
 140             /*
 141                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 142                idea to mix gcc and cc/CC, the name mangling is different
 143              */
 144             #define __SGI_CC__
 145         #endif /* gcc/!gcc */
 146     #endif  /* SGI */
 147
 148     #if defined(sun) || defined(__SUN__)
 149         #ifndef __GNUG__
 150             #ifndef __SUNCC__
 151                 #define __SUNCC__
 152             #endif /* Sun CC */
 153         #endif
 154     #endif /* Sun */
 155
 156     #ifdef __EMX__
 157         #define OS2EMX_PLAIN_CHAR
 158     #endif
 159
 160     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 161     #if defined(__hpux) && !defined(__HPUX__)
 162         #define __HPUX__
 163     #endif /* HP-UX */
 164
 165     #if defined(__CYGWIN__) || defined(__WINE__)
 166         #if !defined(wxSIZE_T_IS_UINT)
 167             #define wxSIZE_T_IS_UINT
 168         #endif
 169     #endif
 170 #elif defined(applec) || \
 171       defined(THINK_C) || \
 172       (defined(__MWERKS__) && !defined(__INTEL__))
 173       /* MacOS */
 174     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 175         #define wxSIZE_T_IS_ULONG
 176     #endif
 177 #elif defined(__WXMAC__) && defined(__APPLE__)
 178     /* Mac OS X */
 179     #define __UNIX_LIKE__
 180
 181     /*
 182       These defines are needed when compiling using Project Builder
 183       with a non generated setup0.h
 184     */
 185     #ifndef __UNIX__
 186         #define __UNIX__ 1
 187     #endif
 188     #ifndef __BSD__
 189         #define __BSD__ 1
 190     #endif
 191     #ifndef __DARWIN__
 192         #define __DARWIN__ 1
 193     #endif
 194     #ifndef __POWERPC__
 195         #define __POWERPC__ 1
 196     #endif
 197     #ifndef TARGET_CARBON
 198         #define TARGET_CARBON 1
 199     #endif
 200
 201     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 202         #define wxSIZE_T_IS_ULONG
 203     #endif
 204     /*
 205        Some code has been added to workaround defects(?) in the
 206        bundled gcc compiler. These corrections are identified by
 207        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 208      */
 209 #elif defined(__OS2__)
 210     #if defined(__IBMCPP__)
 211         #define __VISAGEAVER__ __IBMCPP__
 212     #endif
 213     #ifndef __WXOS2__
 214         #define __WXOS2__
 215     #endif
 216     #ifndef __WXPM__
 217         #define __WXPM__
 218     #endif
 219
 220     /* Place other OS/2 compiler environment defines here */
 221     #if defined(__VISAGECPP__)
 222         /* VisualAge is the only thing that understands _Optlink */
 223         #define LINKAGEMODE _Optlink
 224     #endif
 225     #define wxSIZE_T_IS_UINT
 226
 227 #else   /* Windows */
 228     #ifndef __WINDOWS__
 229         #define __WINDOWS__
 230     #endif  /* Windows */
 231
 232     /* to be changed for Win64! */
 233     #ifndef __WIN32__
 234         #define __WIN16__
 235     #endif
 236
 237     /*
 238        define another standard symbol for Microsoft Visual C++: the standard
 239        one (_MSC_VER) is also defined by Metrowerks compiler
 240      */
 241     #if defined(_MSC_VER) && !defined(__MWERKS__)
 242         #define __VISUALC__ _MSC_VER
 243     #elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 244         #define __BORLANDC__
 245       #elif defined(__WATCOMC__)
 246     #elif defined(__SC__)
 247         #define __SYMANTECC__
 248     #endif  /* compiler */
 249
 250     /* size_t is the same as unsigned int for all Windows compilers we know, */
 251     /* so define it if it hadn't been done by configure yet */
 252     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 253         #define wxSIZE_T_IS_UINT
 254     #endif
 255 #endif  /* OS */
 256
 257 /*
 258    if we're on a Unix system but didn't use configure (so that setup.h didn't
 259    define __UNIX__), do define __UNIX__ now
 260  */
 261 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 262     #define __UNIX__
 263 #endif /* Unix */
 264
 265 #if defined(__HPUX__) && !defined(__WXGTK__)
 266     #ifndef __WXMOTIF__
 267         #define __WXMOTIF__
 268     #endif /* __WXMOTIF__ */
 269 #endif
 270
 271 #if defined(__WXMOTIF__) || defined(__WXX11__)
 272     #define __X__
 273 #endif
 274
 275 /*
 276    This macro can be used to test the gcc version and can be used like this:
 277
 278     #if wxCHECK_GCC_VERSION(3, 1)
 279         ... we have gcc 3.1 or later ...
 280     #else
 281         ... no gcc at all or gcc < 3.1 ...
 282     #endif
 283 */
 284 #define wxCHECK_GCC_VERSION( major, minor ) \
 285     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 286     && ( ( __GNUC__ > (major) ) \
 287         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 288
 289 /*
 290    This macro can be used to check that the version of mingw32 compiler is
 291    at least maj.min
 292  */
 293 #if defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || defined( __CYGWIN__ )
 294     #include "wx/msw/gccpriv.h"
 295 #else
 296     #undef wxCHECK_W32API_VERSION
 297     #define wxCHECK_W32API_VERSION(maj, min) (0)
 298 #endif
 299
 300 #endif /* _WX_PLATFORM_H_ */
 301