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 licence
  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 #endif
  25
  26 /*
  27    first define Windows symbols if they're not defined on the command line: we
  28    can autodetect everything we need if _WIN32 is defined
  29  */
  30 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  31     && !defined(__WXX11__)
  32     /* for Cygwin, default to wxMSW unless otherwise specified */
  33     #ifndef __WXMSW__
  34         #define __WXMSW__
  35     #endif
  36
  37     #ifndef _WIN32
  38         #define _WIN32
  39     #endif
  40
  41     #ifndef WIN32
  42         #define WIN32
  43     #endif
  44 #endif
  45
  46 #if defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)
  47     #ifndef __WXMSW__
  48         #define __WXMSW__
  49     #endif
  50
  51     #ifndef __WIN32__
  52         #define __WIN32__
  53     #endif
  54
  55     /*
  56        see MSDN for the description of possible WINVER values, this one is a
  57        good default and, anyhow, we check for most of the features we use
  58        during run-time.
  59      */
  60     #ifndef WINVER
  61         #define WINVER  0x0400
  62     #endif
  63
  64     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
  65     #if !defined(__WIN95__) && (WINVER >= 0x0400)
  66         #define __WIN95__
  67     #endif
  68 #endif /* Win32 */
  69
  70 #if defined(__WXMSW__) || defined(__WIN32__)
  71     #if !defined(__WINDOWS__)
  72         #define __WINDOWS__
  73     #endif
  74 #endif
  75
  76 #ifdef __WINE__
  77     #ifndef __WIN95__
  78         #define __WIN95__
  79     #endif
  80 #endif /* WINE */
  81
  82 /*
  83    Include wx/setup.h for the Unix platform defines generated by configure and
  84    the library compilation options
  85  */
  86 #include "wx/setup.h"
  87
  88 /* check the consistency of the settings in setup.h */
  89 #include "wx/chkconf.h"
  90
  91 /*
  92    some compilers don't support iostream.h any longer, so override the users
  93    setting here in such case.
  94  */
  95 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
  96     #undef wxUSE_IOSTREAMH
  97     #define wxUSE_IOSTREAMH 0
  98 #endif /* compilers not supporting iostream.h */
  99
 100 /*
 101    old C++ headers (like <iostream.h>) declare classes in the global namespace
 102    while the new, standard ones (like <iostream>) do it in std:: namespace
 103
 104    using this macro allows constuctions like "wxSTD iostream" to work in
 105    either case
 106  */
 107 #if !wxUSE_IOSTREAMH
 108     #define wxSTD std::
 109 #else
 110     #define wxSTD
 111 #endif
 112
 113 /*
 114    OS: first of all, test for MS-DOS platform. We must do this before testing
 115        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 116  */
 117 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 118     #ifndef __DOS__
 119         #define __DOS__
 120     #endif
 121     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 122     /* so define it if it hadn't been done by configure yet */
 123     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 124         #ifdef __WATCOMC__
 125             #define wxSIZE_T_IS_UINT
 126         #endif
 127         #ifdef __DJGPP__
 128             #define wxSIZE_T_IS_ULONG
 129         #endif
 130     #endif
 131
 132 /*
 133    OS: then test for generic Unix defines, then for particular flavours and
 134        finally for Unix-like systems
 135  */
 136 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 137       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 138       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 139       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 140
 141     #define __UNIX_LIKE__
 142
 143     /* Helps SGI compilation, apparently */
 144     #ifdef __SGI__
 145         #ifdef __GNUG__
 146             #define __need_wchar_t
 147         #else /* !gcc */
 148             /*
 149                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 150                idea to mix gcc and cc/CC, the name mangling is different
 151              */
 152             #define __SGI_CC__
 153         #endif /* gcc/!gcc */
 154     #endif  /* SGI */
 155
 156     #if defined(sun) || defined(__SUN__)
 157         #ifndef __GNUG__
 158             #ifndef __SUNCC__
 159                 #define __SUNCC__
 160             #endif /* Sun CC */
 161         #endif
 162     #endif /* Sun */
 163
 164     #ifdef __EMX__
 165         #define OS2EMX_PLAIN_CHAR
 166     #endif
 167
 168     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 169     #if defined(__hpux) && !defined(__HPUX__)
 170         #define __HPUX__
 171     #endif /* HP-UX */
 172
 173     #if defined(__CYGWIN__) || defined(__WINE__)
 174         #if !defined(wxSIZE_T_IS_UINT)
 175             #define wxSIZE_T_IS_UINT
 176         #endif
 177     #endif
 178 #elif defined(applec) || \
 179       defined(THINK_C) || \
 180       (defined(__MWERKS__) && !defined(__INTEL__))
 181       /* MacOS */
 182     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 183         #define wxSIZE_T_IS_ULONG
 184     #endif
 185 #elif defined(__WXMAC__) && defined(__APPLE__)
 186     /* Mac OS X */
 187     #define __UNIX_LIKE__
 188
 189     /*
 190       These defines are needed when compiling using Project Builder
 191       with a non generated setup0.h
 192     */
 193     #ifndef __UNIX__
 194         #define __UNIX__ 1
 195     #endif
 196     #ifndef __BSD__
 197         #define __BSD__ 1
 198     #endif
 199     #ifndef __DARWIN__
 200         #define __DARWIN__ 1
 201     #endif
 202     #ifndef __POWERPC__
 203         #define __POWERPC__ 1
 204     #endif
 205     #ifndef TARGET_CARBON
 206         #define TARGET_CARBON 1
 207     #endif
 208
 209     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 210         #define wxSIZE_T_IS_ULONG
 211     #endif
 212     /*
 213        Some code has been added to workaround defects(?) in the
 214        bundled gcc compiler. These corrections are identified by
 215        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 216      */
 217 #elif defined(__OS2__)
 218     #if defined(__IBMCPP__)
 219         #define __VISAGEAVER__ __IBMCPP__
 220     #endif
 221     #ifndef __WXOS2__
 222         #define __WXOS2__
 223     #endif
 224     #ifndef __WXPM__
 225         #define __WXPM__
 226     #endif
 227
 228     /* Place other OS/2 compiler environment defines here */
 229     #if defined(__VISAGECPP__)
 230         /* VisualAge is the only thing that understands _Optlink */
 231         #define LINKAGEMODE _Optlink
 232     #endif
 233     #define wxSIZE_T_IS_UINT
 234
 235 #else   /* Windows */
 236     #ifndef __WINDOWS__
 237         #define __WINDOWS__
 238     #endif  /* Windows */
 239
 240     /* to be changed for Win64! */
 241     #ifndef __WIN32__
 242         #define __WIN16__
 243     #endif
 244
 245     /*
 246        define another standard symbol for Microsoft Visual C++: the standard
 247        one (_MSC_VER) is also defined by Metrowerks compiler
 248      */
 249     #if defined(_MSC_VER) && !defined(__MWERKS__)
 250         #define __VISUALC__ _MSC_VER
 251     #elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 252         #define __BORLANDC__
 253       #elif defined(__WATCOMC__)
 254     #elif defined(__SC__)
 255         #define __SYMANTECC__
 256     #endif  /* compiler */
 257
 258     /* size_t is the same as unsigned int for all Windows compilers we know, */
 259     /* so define it if it hadn't been done by configure yet */
 260     #if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 261         #define wxSIZE_T_IS_UINT
 262     #endif
 263 #endif  /* OS */
 264
 265 /*
 266    if we're on a Unix system but didn't use configure (so that setup.h didn't
 267    define __UNIX__), do define __UNIX__ now
 268  */
 269 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 270     #define __UNIX__
 271 #endif /* Unix */
 272
 273 #if defined(__HPUX__) && !defined(__WXGTK__)
 274     #ifndef __WXMOTIF__
 275         #define __WXMOTIF__
 276     #endif /* __WXMOTIF__ */
 277 #endif
 278
 279 #if defined(__WXMOTIF__) || defined(__WXX11__)
 280     #define __X__
 281 #endif
 282
 283 #ifdef __SC__
 284     #ifdef __DMC__
 285          #define __DIGITALMARS__
 286     #else
 287          #define __SYMANTEC__
 288     #endif
 289 #endif
 290
 291 /*
 292    This macro can be used to test the gcc version and can be used like this:
 293
 294     #if wxCHECK_GCC_VERSION(3, 1)
 295         ... we have gcc 3.1 or later ...
 296     #else
 297         ... no gcc at all or gcc < 3.1 ...
 298     #endif
 299 */
 300 #define wxCHECK_GCC_VERSION( major, minor ) \
 301     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 302     && ( ( __GNUC__ > (major) ) \
 303         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 304
 305 /*
 306    This macro can be used to check that the version of mingw32 compiler is
 307    at least maj.min
 308  */
 309 #if defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 310     defined( __CYGWIN__ ) || \
 311     (defined(__WATCOMC__) && __WATCOMC__ >= 1200)
 312     #include "wx/msw/gccpriv.h"
 313 #else
 314     #undef wxCHECK_W32API_VERSION
 315     #define wxCHECK_W32API_VERSION(maj, min) (0)
 316 #endif
 317
 318 #if defined (__WXMSW__)
 319     #if !defined(__WATCOMC__)
 320         #define wxHAVE_RAW_BITMAP
 321     #endif
 322 #endif
 323
 324 #if defined (__WXMAC__)
 325     #ifndef WORDS_BIGENDIAN
 326         #define WORDS_BIGENDIAN 1
 327     #endif
 328 #endif
 329
 330 /* Choose which method we will use for updating menus
 331  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 332  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 333  */
 334 #ifndef wxUSE_IDLEMENUUPDATES
 335     #if defined(__WXMSW__) || defined(__WXGTK__)
 336         #define wxUSE_IDLEMENUUPDATES 0
 337     #else
 338         #define wxUSE_IDLEMENUUPDATES 1
 339     #endif
 340 #endif
 341
 342 /*
 343  * Define symbols that are not yet in
 344  * configure or possibly some setup.h files.
 345  * They will need to be added.
 346  */
 347
 348 #ifndef wxUSE_FILECONFIG
 349     #if wxUSE_CONFIG
 350         #define wxUSE_FILECONFIG 1
 351     #else
 352         #define wxUSE_FILECONFIG 0
 353     #endif
 354 #endif
 355
 356 #ifndef wxUSE_HOTKEY
 357     #define wxUSE_HOTKEY 0
 358 #endif
 359
 360 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 361     #define wxUSE_WXDIB 1
 362 #endif
 363
 364 #endif /* _WX_PLATFORM_H_ */
 365