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(_WIN64)
  47 #    ifndef _WIN32
  48         /*
  49             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
  50             Windows or to test for !__WIN16__, so we must define _WIN32 for
  51             Win64 as well to ensure that the existing code continues to work.
  52          */
  53 #       define _WIN32
  54 #   endif /* !_WIN32 */
  55
  56 #   ifndef __WIN64__
  57 #       define __WIN64__
  58 #   endif /* !__WIN64__ */
  59 #endif /* _WIN64 */
  60
  61 #if defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)
  62 #    ifndef __WXMSW__
  63 #        define __WXMSW__
  64 #    endif
  65
  66 #    ifndef __WIN32__
  67 #        define __WIN32__
  68 #    endif
  69
  70     /*
  71        see MSDN for the description of possible WINVER values, this one is a
  72        good default and, anyhow, we check for most of the features we use
  73        during run-time.
  74      */
  75 #    ifndef WINVER
  76 #        define WINVER  0x0400
  77 #    endif
  78
  79     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
  80 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
  81 #        define __WIN95__
  82 #    endif
  83 #endif /* Win32 */
  84
  85 #if defined(__WXMSW__) || defined(__WIN32__)
  86 #    if !defined(__WINDOWS__)
  87 #        define __WINDOWS__
  88 #    endif
  89 #endif
  90
  91 #ifdef __WINE__
  92 #    ifndef __WIN95__
  93 #        define __WIN95__
  94 #    endif
  95 #endif /* WINE */
  96
  97 /*
  98    Include wx/setup.h for the Unix platform defines generated by configure and
  99    the library compilation options
 100  */
 101 #include "wx/setup.h"
 102
 103 /* check the consistency of the settings in setup.h */
 104 #include "wx/chkconf.h"
 105
 106 /*
 107    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 108    and is used by wxWindows, _UNICODE and/or UNICODE may be defined or used by
 109    the system headers so bring these settings in sync
 110  */
 111
 112 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 113 #if defined(_UNICODE) || defined(UNICODE)
 114 #   undef wxUSE_UNICODE
 115 #   define wxUSE_UNICODE 1
 116 #else /* !UNICODE */
 117 #   ifndef wxUSE_UNICODE
 118 #       define wxUSE_UNICODE 0
 119 #   endif
 120 #endif /* UNICODE/!UNICODE */
 121
 122 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 123 #if wxUSE_UNICODE
 124 #   ifndef _UNICODE
 125 #       define _UNICODE
 126 #   endif
 127 #   ifndef UNICODE
 128 #       define UNICODE
 129 #   endif
 130 #endif /* wxUSE_UNICODE */
 131
 132
 133 /*
 134    some compilers don't support iostream.h any longer, while some of theme
 135    are not updated with <iostream> yet, so override the users setting here
 136    in such case.
 137  */
 138 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 139 #    undef wxUSE_IOSTREAMH
 140 #    define wxUSE_IOSTREAMH 0
 141 #elif defined(__DMC__)
 142 #    undef wxUSE_IOSTREAMH
 143 #    define wxUSE_IOSTREAMH 1
 144 #endif /* compilers not supporting iostream.h */
 145
 146 /*
 147    old C++ headers (like <iostream.h>) declare classes in the global namespace
 148    while the new, standard ones (like <iostream>) do it in std:: namespace
 149
 150    using this macro allows constuctions like "wxSTD iostream" to work in
 151    either case
 152  */
 153 #if !wxUSE_IOSTREAMH
 154 #    define wxSTD std::
 155 #else
 156 #    define wxSTD
 157 #endif
 158
 159 /*
 160    OS: first of all, test for MS-DOS platform. We must do this before testing
 161        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 162  */
 163 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 164 #    ifndef __DOS__
 165 #        define __DOS__
 166 #    endif
 167     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 168     /* so define it if it hadn't been done by configure yet */
 169 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 170 #        ifdef __WATCOMC__
 171 #            define wxSIZE_T_IS_UINT
 172 #        endif
 173 #        ifdef __DJGPP__
 174 #            define wxSIZE_T_IS_ULONG
 175 #        endif
 176 #    endif
 177
 178 /*
 179    OS: then test for generic Unix defines, then for particular flavours and
 180        finally for Unix-like systems
 181  */
 182 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 183       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 184       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 185       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 186
 187 #    define __UNIX_LIKE__
 188
 189     /* Helps SGI compilation, apparently */
 190 #    ifdef __SGI__
 191 #        ifdef __GNUG__
 192 #            define __need_wchar_t
 193 #        else /* !gcc */
 194             /*
 195                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 196                idea to mix gcc and cc/CC, the name mangling is different
 197              */
 198 #            define __SGI_CC__
 199 #        endif /* gcc/!gcc */
 200 #    endif  /* SGI */
 201
 202 #    if defined(sun) || defined(__SUN__)
 203 #        ifndef __GNUG__
 204 #            ifndef __SUNCC__
 205 #                define __SUNCC__
 206 #            endif /* Sun CC */
 207 #        endif
 208 #    endif /* Sun */
 209
 210 #    ifdef __EMX__
 211 #        define OS2EMX_PLAIN_CHAR
 212 #    endif
 213
 214     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 215 #    if defined(__hpux) && !defined(__HPUX__)
 216 #        define __HPUX__
 217 #    endif /* HP-UX */
 218
 219 #    if defined(__CYGWIN__) || defined(__WINE__)
 220 #        if !defined(wxSIZE_T_IS_UINT)
 221 #            define wxSIZE_T_IS_UINT
 222 #        endif
 223 #    endif
 224 #elif defined(applec) || \
 225       defined(THINK_C) || \
 226       (defined(__MWERKS__) && !defined(__INTEL__))
 227       /* MacOS */
 228 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 229 #        define wxSIZE_T_IS_ULONG
 230 #    endif
 231 #elif defined(__WXMAC__) && defined(__APPLE__)
 232     /* Mac OS X */
 233 #    define __UNIX_LIKE__
 234
 235     /*
 236       These defines are needed when compiling using Project Builder
 237       with a non generated setup0.h
 238     */
 239 #    ifndef __UNIX__
 240 #        define __UNIX__ 1
 241 #    endif
 242 #    ifndef __BSD__
 243 #        define __BSD__ 1
 244 #    endif
 245 #    ifndef __DARWIN__
 246 #        define __DARWIN__ 1
 247 #    endif
 248 #    ifndef __POWERPC__
 249 #        define __POWERPC__ 1
 250 #    endif
 251 #    ifndef TARGET_CARBON
 252 #        define TARGET_CARBON 1
 253 #    endif
 254
 255 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 256 #        define wxSIZE_T_IS_ULONG
 257 #    endif
 258     /*
 259        Some code has been added to workaround defects(?) in the
 260        bundled gcc compiler. These corrections are identified by
 261        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 262      */
 263 #elif defined(__OS2__)
 264 #    if defined(__IBMCPP__)
 265 #        define __VISAGEAVER__ __IBMCPP__
 266 #    endif
 267 #    ifndef __WXOS2__
 268 #        define __WXOS2__
 269 #    endif
 270 #    ifndef __WXPM__
 271 #        define __WXPM__
 272 #    endif
 273
 274     /* Place other OS/2 compiler environment defines here */
 275 #    if defined(__VISAGECPP__)
 276         /* VisualAge is the only thing that understands _Optlink */
 277 #        define LINKAGEMODE _Optlink
 278 #    endif
 279 #    define wxSIZE_T_IS_UINT
 280
 281 #else   /* Windows */
 282 #    ifndef __WINDOWS__
 283 #        define __WINDOWS__
 284 #    endif  /* Windows */
 285
 286     /* to be changed for Win64! */
 287 #    ifndef __WIN32__
 288 #        define __WIN16__
 289 #    endif
 290
 291     /*
 292        define another standard symbol for Microsoft Visual C++: the standard
 293        one (_MSC_VER) is also defined by Metrowerks compiler
 294      */
 295 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 296 #        define __VISUALC__ _MSC_VER
 297 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 298 #        define __BORLANDC__
 299 #      elif defined(__WATCOMC__)
 300 #    elif defined(__SC__)
 301 #        define __SYMANTECC__
 302 #    endif  /* compiler */
 303
 304     /* size_t is the same as unsigned int for all Windows compilers we know, */
 305     /* so define it if it hadn't been done by configure yet */
 306 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 307 #        define wxSIZE_T_IS_UINT
 308 #    endif
 309 #endif  /* OS */
 310
 311 /*
 312    if we're on a Unix system but didn't use configure (so that setup.h didn't
 313    define __UNIX__), do define __UNIX__ now
 314  */
 315 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 316 #    define __UNIX__
 317 #endif /* Unix */
 318
 319 #if defined(__HPUX__) && !defined(__WXGTK__)
 320 #    ifndef __WXMOTIF__
 321 #        define __WXMOTIF__
 322 #    endif /* __WXMOTIF__ */
 323 #endif
 324
 325 #if defined(__WXMOTIF__) || defined(__WXX11__)
 326 #    define __X__
 327 #endif
 328
 329 #ifdef __SC__
 330 #    ifdef __DMC__
 331 #         define __DIGITALMARS__
 332 #    else
 333 #         define __SYMANTEC__
 334 #    endif
 335 #endif
 336
 337 /*
 338    This macro can be used to test the gcc version and can be used like this:
 339
 340 #    if wxCHECK_GCC_VERSION(3, 1)
 341         ... we have gcc 3.1 or later ...
 342 #    else
 343         ... no gcc at all or gcc < 3.1 ...
 344 #    endif
 345 */
 346 #define wxCHECK_GCC_VERSION( major, minor ) \
 347     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 348     && ( ( __GNUC__ > (major) ) \
 349         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 350
 351 /*
 352    This macro can be used to check that the version of mingw32 compiler is
 353    at least maj.min
 354  */
 355 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 356     defined( __CYGWIN__ ) || \
 357       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 358     !defined(__DOS__)
 359 #    include "wx/msw/gccpriv.h"
 360 #else
 361 #    undef wxCHECK_W32API_VERSION
 362 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 363 #endif
 364
 365 #if defined (__WXMSW__)
 366 #    if !defined(__WATCOMC__)
 367 #        define wxHAVE_RAW_BITMAP
 368 #    endif
 369 #endif
 370
 371 #if defined (__WXMAC__)
 372 #    ifndef WORDS_BIGENDIAN
 373 #        define WORDS_BIGENDIAN 1
 374 #    endif
 375 #endif
 376
 377 /* Choose which method we will use for updating menus
 378  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 379  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 380  */
 381 #ifndef wxUSE_IDLEMENUUPDATES
 382 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 383 #        define wxUSE_IDLEMENUUPDATES 0
 384 #    else
 385 #        define wxUSE_IDLEMENUUPDATES 1
 386 #    endif
 387 #endif
 388
 389 /*
 390  * Define symbols that are not yet in
 391  * configure or possibly some setup.h files.
 392  * They will need to be added.
 393  */
 394
 395 #ifndef wxUSE_FILECONFIG
 396 #    if wxUSE_CONFIG
 397 #        define wxUSE_FILECONFIG 1
 398 #    else
 399 #        define wxUSE_FILECONFIG 0
 400 #    endif
 401 #endif
 402
 403 #ifndef wxUSE_HOTKEY
 404 #    define wxUSE_HOTKEY 0
 405 #endif
 406
 407 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 408 #    define wxUSE_WXDIB 1
 409 #endif
 410
 411 #endif /* _WX_PLATFORM_H_ */
 412