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