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 wxWidgets 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         WXMAC variants
  28         __WXMAC_CLASSIC__ means ppc non-carbon builds, __WXMAC_CARBON__ means
  29         carbon API available (mach or cfm builds) , __WXMAC_OSX__ means mach-o
  30         builds, running under 10.2 + only
  31 */
  32 #ifdef __WXMAC__
  33         #if defined(__MACH__)
  34                 #define __WXMAC_OSX__ 1
  35                 #define __WXMAC_CARBON__ 1
  36                 #define __WXMAC_CLASSIC__ 0
  37         #ifdef __WXMAC_XCODE__
  38             #include "wx/mac/carbon/config_xcode.h"
  39         #endif
  40         #else
  41                 #define __WXMAC_OSX__ 0
  42                 #if TARGET_CARBON
  43                         #define __WXMAC_CARBON__ 1
  44                         #define __WXMAC_CLASSIC__ 0
  45                 #else
  46                         #define __WXMAC_CARBON__ 0
  47                         #define __WXMAC_CLASSIC__ 1
  48                 #endif
  49         #endif
  50 #endif
  51
  52 /*
  53    first define Windows symbols if they're not defined on the command line: we
  54    can autodetect everything we need if _WIN32 is defined
  55  */
  56 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  57     && !defined(__WXX11__)
  58     /* for Cygwin, default to wxMSW unless otherwise specified */
  59 #    ifndef __WXMSW__
  60 #        define __WXMSW__
  61 #    endif
  62
  63 #    ifndef _WIN32
  64 #        define _WIN32
  65 #    endif
  66
  67 #    ifndef WIN32
  68 #        define WIN32
  69 #    endif
  70 #endif
  71
  72 #if defined(_WIN64)
  73 #    ifndef _WIN32
  74         /*
  75             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
  76             Windows or to test for !__WIN16__, so we must define _WIN32 for
  77             Win64 as well to ensure that the existing code continues to work.
  78          */
  79 #       define _WIN32
  80 #   endif /* !_WIN32 */
  81
  82 #   ifndef __WIN64__
  83 #       define __WIN64__
  84 #   endif /* !__WIN64__ */
  85 #endif /* _WIN64 */
  86
  87 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
  88     && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
  89 #    ifndef __WXMSW__
  90 #        define __WXMSW__
  91 #    endif
  92
  93 #    ifndef __WIN32__
  94 #        define __WIN32__
  95 #    endif
  96
  97     /*
  98        see MSDN for the description of possible WINVER values, this one is a
  99        good default and, anyhow, we check for most of the features we use
 100        during run-time.
 101      */
 102 #    ifndef WINVER
 103 #        define WINVER  0x0400
 104 #    endif
 105
 106     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
 107 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
 108 #        define __WIN95__
 109 #    endif
 110 #endif /* Win32 */
 111
 112 #if defined(__WXMSW__) || defined(__WIN32__)
 113 #    if !defined(__WINDOWS__)
 114 #        define __WINDOWS__
 115 #    endif
 116 #endif
 117
 118 #ifdef __WINE__
 119 #    ifndef __WIN95__
 120 #        define __WIN95__
 121 #    endif
 122 #endif /* WINE */
 123
 124 /* detect SmartPhone */
 125 #if defined( WIN32_PLATFORM_WFSP )
 126 #    ifndef __SMARTPHONE__
 127 #        define __SMARTPHONE__
 128 #    endif
 129 #endif
 130
 131 /* detect PocketPC */
 132 #if defined( WIN32_PLATFORM_PSPC )
 133 #    ifndef __POCKETPC__
 134 #        define __POCKETPC__
 135 #    endif
 136 #endif
 137
 138 /* detect Standard WinCE SDK */
 139 #if defined( WCE_PLATFORM_STANDARDSDK )
 140 #    ifndef __WINCE_STANDARDSDK__
 141 #        define __WINCE_STANDARDSDK__
 142 #    endif
 143 #endif
 144
 145 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 146 #   if (_WIN32_WCE >= 400)
 147 #       ifndef __WINCE_NET__
 148 #           define __WINCE_NET__
 149 #       endif
 150 #   elif (_WIN32_WCE >= 200)
 151 #       ifndef __HANDHELDPC__
 152 #           define __HANDHELDPC__
 153 #       endif
 154 #   endif
 155 #endif
 156
 157 /*
 158    Include wx/setup.h for the Unix platform defines generated by configure and
 159    the library compilation options
 160  */
 161 #include "wx/setup.h"
 162
 163 /* check the consistency of the settings in setup.h */
 164 #include "wx/chkconf.h"
 165
 166 /*
 167    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 168    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 169    the system headers so bring these settings in sync
 170  */
 171
 172 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 173 #if defined(_UNICODE) || defined(UNICODE)
 174 #   undef wxUSE_UNICODE
 175 #   define wxUSE_UNICODE 1
 176 #else /* !UNICODE */
 177 #   ifndef wxUSE_UNICODE
 178 #       define wxUSE_UNICODE 0
 179 #   endif
 180 #endif /* UNICODE/!UNICODE */
 181
 182 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 183 #if wxUSE_UNICODE
 184 #   ifndef _UNICODE
 185 #       define _UNICODE
 186 #   endif
 187 #   ifndef UNICODE
 188 #       define UNICODE
 189 #   endif
 190 #endif /* wxUSE_UNICODE */
 191
 192 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 193 // otherwise MSL headers bring in WIN32 dependant APIs
 194 #undef UNICODE
 195 #endif
 196 /*
 197    some compilers don't support iostream.h any longer, while some of theme
 198    are not updated with <iostream> yet, so override the users setting here
 199    in such case.
 200  */
 201 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 202 #    undef wxUSE_IOSTREAMH
 203 #    define wxUSE_IOSTREAMH 0
 204 #elif defined(__DMC__) || defined(__WATCOMC__)
 205 #    undef wxUSE_IOSTREAMH
 206 #    define wxUSE_IOSTREAMH 1
 207 #endif /* compilers not supporting iostream.h */
 208
 209 /*
 210    old C++ headers (like <iostream.h>) declare classes in the global namespace
 211    while the new, standard ones (like <iostream>) do it in std:: namespace
 212
 213    using this macro allows constuctions like "wxSTD iostream" to work in
 214    either case
 215  */
 216 #if !wxUSE_IOSTREAMH
 217 #    define wxSTD std::
 218 #else
 219 #    define wxSTD
 220 #endif
 221
 222 /*
 223    OS: first of all, test for MS-DOS platform. We must do this before testing
 224        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 225  */
 226 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 227 #    ifndef __DOS__
 228 #        define __DOS__
 229 #    endif
 230     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 231     /* so define it if it hadn't been done by configure yet */
 232 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 233 #        ifdef __WATCOMC__
 234 #            define wxSIZE_T_IS_UINT
 235 #        endif
 236 #        ifdef __DJGPP__
 237 #            define wxSIZE_T_IS_ULONG
 238 #        endif
 239 #    endif
 240
 241 /*
 242    OS: then test for generic Unix defines, then for particular flavours and
 243        finally for Unix-like systems
 244  */
 245 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 246       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 247       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 248       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 249
 250 #    define __UNIX_LIKE__
 251
 252     /* Helps SGI compilation, apparently */
 253 #    ifdef __SGI__
 254 #        ifdef __GNUG__
 255 #            define __need_wchar_t
 256 #        else /* !gcc */
 257             /*
 258                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 259                idea to mix gcc and cc/CC, the name mangling is different
 260              */
 261 #            define __SGI_CC__
 262 #        endif /* gcc/!gcc */
 263 #    endif  /* SGI */
 264
 265 #    if defined(sun) || defined(__SUN__)
 266 #        ifndef __GNUG__
 267 #            ifndef __SUNCC__
 268 #                define __SUNCC__
 269 #            endif /* Sun CC */
 270 #        endif
 271 #    endif /* Sun */
 272
 273 #    ifdef __EMX__
 274 #        define OS2EMX_PLAIN_CHAR
 275 #    endif
 276
 277     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 278 #    if defined(__hpux) && !defined(__HPUX__)
 279 #        define __HPUX__
 280 #    endif /* HP-UX */
 281
 282 #    if defined(__CYGWIN__) || defined(__WINE__)
 283 #        if !defined(wxSIZE_T_IS_UINT)
 284 #            define wxSIZE_T_IS_UINT
 285 #        endif
 286 #    endif
 287 #elif defined(applec) || \
 288       defined(THINK_C) || \
 289       (defined(__MWERKS__) && !defined(__INTEL__))
 290       /* MacOS */
 291 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 292 #        define wxSIZE_T_IS_ULONG
 293 #    endif
 294 #elif defined(__WXMAC__) && defined(__APPLE__)
 295     /* Mac OS X */
 296 #    define __UNIX_LIKE__
 297
 298     /*
 299       These defines are needed when compiling using Project Builder
 300       with a non generated setup0.h
 301     */
 302 #    ifndef __UNIX__
 303 #        define __UNIX__ 1
 304 #    endif
 305 #    ifndef __BSD__
 306 #        define __BSD__ 1
 307 #    endif
 308 #    ifndef __DARWIN__
 309 #        define __DARWIN__ 1
 310 #    endif
 311 #    ifndef __POWERPC__
 312 #        define __POWERPC__ 1
 313 #    endif
 314 #    ifndef TARGET_CARBON
 315 #        define TARGET_CARBON 1
 316 #    endif
 317
 318 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 319 #        define wxSIZE_T_IS_ULONG
 320 #    endif
 321     /*
 322        Some code has been added to workaround defects(?) in the
 323        bundled gcc compiler. These corrections are identified by
 324        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 325      */
 326 #elif defined(__OS2__)
 327 #    if defined(__IBMCPP__)
 328 #        define __VISAGEAVER__ __IBMCPP__
 329 #    endif
 330 #    ifndef __WXOS2__
 331 #        define __WXOS2__
 332 #    endif
 333 #    ifndef __WXPM__
 334 #        define __WXPM__
 335 #    endif
 336
 337     /* Place other OS/2 compiler environment defines here */
 338 #    if defined(__VISAGECPP__)
 339         /* VisualAge is the only thing that understands _Optlink */
 340 #        define LINKAGEMODE _Optlink
 341 #    endif
 342 #    define wxSIZE_T_IS_UINT
 343
 344 #else   /* Windows */
 345 #    ifndef __WINDOWS__
 346 #        define __WINDOWS__
 347 #    endif  /* Windows */
 348
 349     /* to be changed for Win64! */
 350 #    ifndef __WIN32__
 351 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 352 #    endif
 353
 354     /*
 355        define another standard symbol for Microsoft Visual C++: the standard
 356        one (_MSC_VER) is also defined by Metrowerks compiler
 357      */
 358 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 359 #        define __VISUALC__ _MSC_VER
 360 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 361 #        define __BORLANDC__
 362 #      elif defined(__WATCOMC__)
 363 #    elif defined(__SC__)
 364 #        define __SYMANTECC__
 365 #    endif  /* compiler */
 366
 367     /* size_t is the same as unsigned int for all Windows compilers we know, */
 368     /* so define it if it hadn't been done by configure yet */
 369 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 370 #        define wxSIZE_T_IS_UINT
 371 #    endif
 372 #endif  /* OS */
 373
 374 /*
 375    if we're on a Unix system but didn't use configure (so that setup.h didn't
 376    define __UNIX__), do define __UNIX__ now
 377  */
 378 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 379 #    define __UNIX__
 380 #endif /* Unix */
 381
 382 #if defined(__HPUX__) && !defined(__WXGTK__)
 383 #    ifndef __WXMOTIF__
 384 #        define __WXMOTIF__
 385 #    endif /* __WXMOTIF__ */
 386 #endif
 387
 388 #if defined(__WXMOTIF__) || defined(__WXX11__)
 389 #    define __X__
 390 #endif
 391
 392 #ifdef __SC__
 393 #    ifdef __DMC__
 394 #         define __DIGITALMARS__
 395 #    else
 396 #         define __SYMANTEC__
 397 #    endif
 398 #endif
 399
 400 /* Force linking against required libraries under Windows CE: */
 401 #ifdef __WXWINCE__
 402 #   include "wx/msw/wince/libraries.h"
 403 #endif
 404
 405 /*
 406    This macro can be used to test the gcc version and can be used like this:
 407
 408 #    if wxCHECK_GCC_VERSION(3, 1)
 409         ... we have gcc 3.1 or later ...
 410 #    else
 411         ... no gcc at all or gcc < 3.1 ...
 412 #    endif
 413 */
 414 #define wxCHECK_GCC_VERSION( major, minor ) \
 415     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 416     && ( ( __GNUC__ > (major) ) \
 417         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 418
 419 /*
 420    This macro can be used to check that the version of mingw32 compiler is
 421    at least maj.min
 422  */
 423 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 424     defined( __CYGWIN__ ) || \
 425       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 426     !defined(__DOS__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 427 #    include "wx/msw/gccpriv.h"
 428 #else
 429 #    undef wxCHECK_W32API_VERSION
 430 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 431 #endif
 432
 433 #if defined (__WXMSW__)
 434 #    if !defined(__WATCOMC__)
 435 #        define wxHAVE_RAW_BITMAP
 436 #    endif
 437 #endif
 438
 439 #if defined (__WXMAC__)
 440 #    ifndef WORDS_BIGENDIAN
 441 #        define WORDS_BIGENDIAN 1
 442 #    endif
 443 #endif
 444
 445 /* Choose which method we will use for updating menus
 446  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 447  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 448  */
 449 #ifndef wxUSE_IDLEMENUUPDATES
 450 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 451 #        define wxUSE_IDLEMENUUPDATES 0
 452 #    else
 453 #        define wxUSE_IDLEMENUUPDATES 1
 454 #    endif
 455 #endif
 456
 457 /*
 458  * Define symbols that are not yet in
 459  * configure or possibly some setup.h files.
 460  * They will need to be added.
 461  */
 462
 463 #ifndef wxUSE_FILECONFIG
 464 #    if wxUSE_CONFIG
 465 #        define wxUSE_FILECONFIG 1
 466 #    else
 467 #        define wxUSE_FILECONFIG 0
 468 #    endif
 469 #endif
 470
 471 #ifndef wxUSE_HOTKEY
 472 #    define wxUSE_HOTKEY 0
 473 #endif
 474
 475 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 476 #    define wxUSE_WXDIB 1
 477 #endif
 478
 479 #endif /* _WX_PLATFORM_H_ */
 480