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