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__
  35 #        define __WXMAC_CARBON__
  36 #        ifdef __WXMAC_XCODE__
  37 #            include "wx/mac/carbon/config_xcode.h"
  38 #        endif
  39 #    else
  40 #        if TARGET_CARBON
  41 #            define __WXMAC_CARBON__
  42 #        else
  43 #            define __WXMAC_CLASSIC__
  44 #        endif
  45 #    endif
  46 #endif
  47
  48 /*
  49     __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
  50  */
  51 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
  52 #   define __WXOSX__
  53 #endif
  54
  55 /*
  56    first define Windows symbols if they're not defined on the command line: we
  57    can autodetect everything we need if _WIN32 is defined
  58  */
  59 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  60     && !defined(__WXX11__)
  61     /* for Cygwin, default to wxMSW unless otherwise specified */
  62 #    ifndef __WXMSW__
  63 #        define __WXMSW__
  64 #    endif
  65
  66 #    ifndef _WIN32
  67 #        define _WIN32
  68 #    endif
  69
  70 #    ifndef WIN32
  71 #        define WIN32
  72 #    endif
  73 #endif
  74
  75 #if defined(__PALMOS__)
  76 #   ifndef __WXPALMOS__
  77 #       define __WXPALMOS__
  78 #   endif
  79 #   ifdef __WXMSW__
  80 #       undef __WXMSW__
  81 #   endif
  82 #   ifdef __WINDOWS__
  83 #       undef __WINDOWS__
  84 #   endif
  85 #   ifdef __WIN32__
  86 #       undef __WIN32__
  87 #   endif
  88 #   ifdef WIN32
  89 #       undef WIN32
  90 #   endif
  91 #   ifdef _WIN32
  92 #       undef _WIN32
  93 #   endif
  94 #endif
  95
  96 #if defined(_WIN64)
  97 #    ifndef _WIN32
  98         /*
  99             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
 100             Windows or to test for !__WIN16__, so we must define _WIN32 for
 101             Win64 as well to ensure that the existing code continues to work.
 102          */
 103 #       define _WIN32
 104 #   endif /* !_WIN32 */
 105
 106 #   ifndef __WIN64__
 107 #       define __WIN64__
 108 #   endif /* !__WIN64__ */
 109 #endif /* _WIN64 */
 110
 111 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
 112     && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 113 #    ifndef __WXMSW__
 114 #        define __WXMSW__
 115 #    endif
 116
 117 #    ifndef __WIN32__
 118 #        define __WIN32__
 119 #    endif
 120
 121     /*
 122         The library user may override the default setting of WINVER by defining
 123         it in his own makefile or project file -- if it is defined, we don't
 124         touch it at all.
 125
 126         It makes sense to define WINVER as:
 127             - either some lowish value (e.g. 0x0302) to not even compile in the
 128               features not available in Windows version lower than some given
 129               one
 130             - or to a higher value than the one used by default for the given
 131               compiler if you updated its headers to newer version of Platform
 132               SDK, e.g. VC6 ships with 0x0400 headers by default but may also
 133               work with 0x0500 headers and beyond
 134     */
 135 #   ifndef WINVER
 136 #       if defined(_MSC_VER) && _MSC_VER < 1300
 137             /*
 138                 VC6 defines some stuff in its default headers which is normally
 139                 only present if WINVER >= 0x0500 (FLASHW_XXX constants) which
 140                 means that our usual tests not involving WINVER sometimes fail
 141                 with it, hence explicitly define a lower WINVER value for it.
 142              */
 143 #           define WINVER 0x0400
 144 #       elif defined(__DMC__)
 145             /*
 146                 Digital Mars is distributed with a little outdated headers.
 147              */
 148 #           define WINVER 0x0400
 149 #       else /* !VC++ 6 */
 150             /*
 151                see MSDN for the description of possible WINVER values, this one
 152                is the highest one defined right now (Windows Server 2003) and
 153                we use it unless it was explicitly overridden by the user to
 154                disable recent features support as we check for all of the
 155                features we use which could be not available on earlier Windows
 156                systems during run-time anyhow, so there is almost no
 157                disadvantage in using it.
 158              */
 159 #           define WINVER 0x0502
 160 #       endif /* VC++ 6/!VC++6 */
 161 #   endif
 162
 163     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
 164 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
 165 #        define __WIN95__
 166 #    endif
 167 #endif /* Win32 */
 168
 169 #if defined(__WXMSW__) || defined(__WIN32__)
 170 #   if !defined(__WINDOWS__)
 171 #       define __WINDOWS__
 172 #   endif
 173 #endif
 174
 175 #ifdef __WINE__
 176 #   ifndef __WIN95__
 177 #       define __WIN95__
 178 #   endif
 179 #endif /* WINE */
 180
 181 /* detect MS SmartPhone */
 182 #if defined( WIN32_PLATFORM_WFSP )
 183 #   ifndef __SMARTPHONE__
 184 #       define __SMARTPHONE__
 185 #   endif
 186 #   ifndef __WXWINCE__
 187 #       define __WXWINCE__
 188 #   endif
 189 #endif
 190
 191 /* detect PocketPC */
 192 #if defined( WIN32_PLATFORM_PSPC )
 193 #   ifndef __POCKETPC__
 194 #       define __POCKETPC__
 195 #   endif
 196 #   ifndef __WXWINCE__
 197 #       define __WXWINCE__
 198 #   endif
 199 #endif
 200
 201 /* detect Standard WinCE SDK */
 202 #if defined( WCE_PLATFORM_STANDARDSDK )
 203 #   ifndef __WINCE_STANDARDSDK__
 204 #       define __WINCE_STANDARDSDK__
 205 #   endif
 206 #   ifndef __WXWINCE__
 207 #       define __WXWINCE__
 208 #   endif
 209 #endif
 210
 211 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 212 #   if (_WIN32_WCE >= 400)
 213 #       ifndef __WINCE_NET__
 214 #           define __WINCE_NET__
 215 #       endif
 216 #   elif (_WIN32_WCE >= 200)
 217 #       ifndef __HANDHELDPC__
 218 #           define __HANDHELDPC__
 219 #       endif
 220 #   endif
 221 #   ifndef __WXWINCE__
 222 #       define __WXWINCE__
 223 #   endif
 224 #endif
 225
 226 /*
 227    Include wx/setup.h for the Unix platform defines generated by configure and
 228    the library compilation options
 229  */
 230 #include "wx/setup.h"
 231
 232 /* check the consistency of the settings in setup.h */
 233 #include "wx/chkconf.h"
 234
 235 /*
 236    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 237    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 238    the system headers so bring these settings in sync
 239  */
 240
 241 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 242 #if defined(_UNICODE) || defined(UNICODE)
 243 #   undef wxUSE_UNICODE
 244 #   define wxUSE_UNICODE 1
 245 #else /* !UNICODE */
 246 #   ifndef wxUSE_UNICODE
 247 #       define wxUSE_UNICODE 0
 248 #   endif
 249 #endif /* UNICODE/!UNICODE */
 250
 251 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 252 #if wxUSE_UNICODE
 253 #   ifndef _UNICODE
 254 #       define _UNICODE
 255 #   endif
 256 #   ifndef UNICODE
 257 #       define UNICODE
 258 #   endif
 259 #endif /* wxUSE_UNICODE */
 260
 261 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 262 // otherwise MSL headers bring in WIN32 dependant APIs
 263 #undef UNICODE
 264 #endif
 265 /*
 266    some compilers don't support iostream.h any longer, while some of theme
 267    are not updated with <iostream> yet, so override the users setting here
 268    in such case.
 269  */
 270 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 271 #    undef wxUSE_IOSTREAMH
 272 #    define wxUSE_IOSTREAMH 0
 273 #elif defined(__DMC__) || defined(__WATCOMC__)
 274 #    undef wxUSE_IOSTREAMH
 275 #    define wxUSE_IOSTREAMH 1
 276 #elif defined(__MINGW32__)
 277 #    undef wxUSE_IOSTREAMH
 278 #    define wxUSE_IOSTREAMH 0
 279 #endif /* compilers with/without iostream.h */
 280
 281 /*
 282    old C++ headers (like <iostream.h>) declare classes in the global namespace
 283    while the new, standard ones (like <iostream>) do it in std:: namespace
 284
 285    using this macro allows constuctions like "wxSTD iostream" to work in
 286    either case
 287  */
 288 #if !wxUSE_IOSTREAMH
 289 #    define wxSTD std::
 290 #else
 291 #    define wxSTD
 292 #endif
 293
 294 /*
 295    OS: first of all, test for MS-DOS platform. We must do this before testing
 296        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 297  */
 298 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 299 #    ifndef __DOS__
 300 #        define __DOS__
 301 #    endif
 302     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 303     /* so define it if it hadn't been done by configure yet */
 304 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 305 #        ifdef __WATCOMC__
 306 #            define wxSIZE_T_IS_UINT
 307 #        endif
 308 #        ifdef __DJGPP__
 309 #            define wxSIZE_T_IS_ULONG
 310 #        endif
 311 #    endif
 312
 313 /*
 314    OS: then test for generic Unix defines, then for particular flavours and
 315        finally for Unix-like systems
 316  */
 317 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 318       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 319       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 320       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 321
 322 #    define __UNIX_LIKE__
 323
 324     /* Helps SGI compilation, apparently */
 325 #    ifdef __SGI__
 326 #        ifdef __GNUG__
 327 #            define __need_wchar_t
 328 #        else /* !gcc */
 329             /*
 330                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 331                idea to mix gcc and cc/CC, the name mangling is different
 332              */
 333 #            define __SGI_CC__
 334 #        endif /* gcc/!gcc */
 335 #    endif  /* SGI */
 336
 337 #    if defined(sun) || defined(__SUN__)
 338 #        ifndef __GNUG__
 339 #            ifndef __SUNCC__
 340 #                define __SUNCC__
 341 #            endif /* Sun CC */
 342 #        endif
 343 #    endif /* Sun */
 344
 345 #    ifdef __EMX__
 346 #        define OS2EMX_PLAIN_CHAR
 347 #    endif
 348
 349     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 350 #    if defined(__hpux) && !defined(__HPUX__)
 351 #        define __HPUX__
 352 #    endif /* HP-UX */
 353
 354 #    if defined(__CYGWIN__) || defined(__WINE__)
 355 #        if !defined(wxSIZE_T_IS_UINT)
 356 #            define wxSIZE_T_IS_UINT
 357 #        endif
 358 #    endif
 359 #elif defined(applec) || \
 360       defined(THINK_C) || \
 361       (defined(__MWERKS__) && !defined(__INTEL__))
 362       /* MacOS */
 363 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 364 #        define wxSIZE_T_IS_ULONG
 365 #    endif
 366 #elif defined(__WXMAC__) && defined(__APPLE__)
 367     /* Mac OS X */
 368 #    define __UNIX_LIKE__
 369
 370     /*
 371       These defines are needed when compiling using Project Builder
 372       with a non generated setup0.h
 373     */
 374 #    ifndef __UNIX__
 375 #        define __UNIX__ 1
 376 #    endif
 377 #    ifndef __BSD__
 378 #        define __BSD__ 1
 379 #    endif
 380 #    ifndef __DARWIN__
 381 #        define __DARWIN__ 1
 382 #    endif
 383 #    ifndef __POWERPC__
 384 #        define __POWERPC__ 1
 385 #    endif
 386 #    ifndef TARGET_CARBON
 387 #        define TARGET_CARBON 1
 388 #    endif
 389
 390 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 391 #        define wxSIZE_T_IS_ULONG
 392 #    endif
 393     /*
 394        Some code has been added to workaround defects(?) in the
 395        bundled gcc compiler. These corrections are identified by
 396        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 397      */
 398 #elif defined(__OS2__)
 399 #    if defined(__IBMCPP__)
 400 #        define __VISAGEAVER__ __IBMCPP__
 401 #    endif
 402 #    ifndef __WXOS2__
 403 #        define __WXOS2__
 404 #    endif
 405 #    ifndef __WXPM__
 406 #        define __WXPM__
 407 #    endif
 408
 409     /* Place other OS/2 compiler environment defines here */
 410 #    if defined(__VISAGECPP__)
 411         /* VisualAge is the only thing that understands _Optlink */
 412 #        define LINKAGEMODE _Optlink
 413 #    endif
 414 #    define wxSIZE_T_IS_UINT
 415
 416 #elif defined(__PALMOS__)
 417 #    ifdef __WIN32__
 418 #        error "__WIN32__ should not be defined for PalmOS"
 419 #    endif
 420 #    ifdef __WINDOWS__
 421 #        error "__WINDOWS__ should not be defined for PalmOS"
 422 #    endif
 423 #    ifdef __WXMSW__
 424 #        error "__WXMSW__ should not be defined for PalmOS"
 425 #    endif
 426
 427 #else   /* Windows */
 428 #    ifndef __WINDOWS__
 429 #        define __WINDOWS__
 430 #    endif  /* Windows */
 431
 432     /* to be changed for Win64! */
 433 #    ifndef __WIN32__
 434 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 435 #    endif
 436
 437     /*
 438        define another standard symbol for Microsoft Visual C++: the standard
 439        one (_MSC_VER) is also defined by Metrowerks compiler
 440      */
 441 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 442 #        define __VISUALC__ _MSC_VER
 443 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 444 #        define __BORLANDC__
 445 #      elif defined(__WATCOMC__)
 446 #    elif defined(__SC__)
 447 #        define __SYMANTECC__
 448 #    endif  /* compiler */
 449
 450     /* size_t is the same as unsigned int for all Windows compilers we know, */
 451     /* so define it if it hadn't been done by configure yet */
 452 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 453 #        define wxSIZE_T_IS_UINT
 454 #    endif
 455 #endif  /* OS */
 456
 457 /*
 458    if we're on a Unix system but didn't use configure (so that setup.h didn't
 459    define __UNIX__), do define __UNIX__ now
 460  */
 461 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 462 #    define __UNIX__
 463 #endif /* Unix */
 464
 465 #if defined(__WXMOTIF__) || defined(__WXX11__)
 466 #    define __X__
 467 #endif
 468
 469 #ifdef __SC__
 470 #    ifdef __DMC__
 471 #         define __DIGITALMARS__
 472 #    else
 473 #         define __SYMANTEC__
 474 #    endif
 475 #endif
 476
 477 /* Force linking against required libraries under Windows CE: */
 478 #ifdef __WXWINCE__
 479 #   include "wx/msw/wince/libraries.h"
 480 #endif
 481
 482 /*
 483    This macro can be used to test the gcc version and can be used like this:
 484
 485 #    if wxCHECK_GCC_VERSION(3, 1)
 486         ... we have gcc 3.1 or later ...
 487 #    else
 488         ... no gcc at all or gcc < 3.1 ...
 489 #    endif
 490 */
 491 #define wxCHECK_GCC_VERSION( major, minor ) \
 492     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 493     && ( ( __GNUC__ > (major) ) \
 494         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 495
 496 /*
 497    This macro can be used to check that the version of mingw32 compiler is
 498    at least maj.min
 499  */
 500 #if defined(__WXPALMOS__)
 501 #    include "wx/palmos/gccpriv.h"
 502 #elif ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 503     defined( __CYGWIN__ ) || \
 504       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 505     !defined(__DOS__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 506 #    include "wx/msw/gccpriv.h"
 507 #else
 508 #    undef wxCHECK_W32API_VERSION
 509 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 510 #endif
 511
 512 #if defined (__WXMSW__)
 513 #    if !defined(__WATCOMC__)
 514 #        define wxHAVE_RAW_BITMAP
 515 #    endif
 516 #endif
 517
 518 #if defined (__WXMAC__)
 519 #    ifndef WORDS_BIGENDIAN
 520 #        define WORDS_BIGENDIAN 1
 521 #    endif
 522 #endif
 523
 524 /* Choose which method we will use for updating menus
 525  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 526  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 527  */
 528 #ifndef wxUSE_IDLEMENUUPDATES
 529 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 530 #        define wxUSE_IDLEMENUUPDATES 0
 531 #    else
 532 #        define wxUSE_IDLEMENUUPDATES 1
 533 #    endif
 534 #endif
 535
 536 /*
 537  * Define symbols that are not yet in
 538  * configure or possibly some setup.h files.
 539  * They will need to be added.
 540  */
 541
 542 #ifndef wxUSE_FILECONFIG
 543 #    if wxUSE_CONFIG
 544 #        define wxUSE_FILECONFIG 1
 545 #    else
 546 #        define wxUSE_FILECONFIG 0
 547 #    endif
 548 #endif
 549
 550 #ifndef wxUSE_HOTKEY
 551 #    define wxUSE_HOTKEY 0
 552 #endif
 553
 554 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 555 #    define wxUSE_WXDIB 1
 556 #endif
 557
 558 /*
 559     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 560     OSX 10.2 and lower
 561     FIXME:  We need a better way to detect for 10.3 then including a system header
 562 */
 563 #ifdef __DARWIN__
 564     #include <AvailabilityMacros.h>
 565 #endif
 566
 567 #endif /* _WX_PLATFORM_H_ */
 568