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    Hardware platform detection.
 228
 229    VC++ defines _M_xxx symbols.
 230  */
 231 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
 232     #ifndef __INTEL__
 233         #define __INTEL__
 234     #endif
 235 #endif /* x86 */
 236
 237 #if defined(_M_IA64)
 238     #ifndef __IA64__
 239         #define __IA64__
 240     #endif
 241 #endif /* ia64 */
 242
 243 #if defined(_M_MPPC) || defined(__PPC__)
 244     #ifndef __POWERPC__
 245         #define __POWERPC__
 246     #endif
 247 #endif /* alpha */
 248
 249 #if defined(_M_ALPHA) || defined(__AXP__)
 250     #ifndef __ALPHA__
 251         #define __ALPHA__
 252     #endif
 253 #endif /* alpha */
 254
 255 /*
 256    Include wx/setup.h for the Unix platform defines generated by configure and
 257    the library compilation options
 258  */
 259 #include "wx/setup.h"
 260
 261 /* check the consistency of the settings in setup.h */
 262 #include "wx/chkconf.h"
 263
 264 /*
 265    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 266    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 267    the system headers so bring these settings in sync
 268  */
 269
 270 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 271 #if defined(_UNICODE) || defined(UNICODE)
 272 #   undef wxUSE_UNICODE
 273 #   define wxUSE_UNICODE 1
 274 #else /* !UNICODE */
 275 #   ifndef wxUSE_UNICODE
 276 #       define wxUSE_UNICODE 0
 277 #   endif
 278 #endif /* UNICODE/!UNICODE */
 279
 280 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 281 #if wxUSE_UNICODE
 282 #   ifndef _UNICODE
 283 #       define _UNICODE
 284 #   endif
 285 #   ifndef UNICODE
 286 #       define UNICODE
 287 #   endif
 288 #endif /* wxUSE_UNICODE */
 289
 290 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 291 // otherwise MSL headers bring in WIN32 dependant APIs
 292 #undef UNICODE
 293 #endif
 294 /*
 295    some compilers don't support iostream.h any longer, while some of theme
 296    are not updated with <iostream> yet, so override the users setting here
 297    in such case.
 298  */
 299 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 300 #    undef wxUSE_IOSTREAMH
 301 #    define wxUSE_IOSTREAMH 0
 302 #elif defined(__DMC__) || defined(__WATCOMC__)
 303 #    undef wxUSE_IOSTREAMH
 304 #    define wxUSE_IOSTREAMH 1
 305 #elif defined(__MINGW32__)
 306 #    undef wxUSE_IOSTREAMH
 307 #    define wxUSE_IOSTREAMH 0
 308 #endif /* compilers with/without iostream.h */
 309
 310 /*
 311    old C++ headers (like <iostream.h>) declare classes in the global namespace
 312    while the new, standard ones (like <iostream>) do it in std:: namespace
 313
 314    using this macro allows constuctions like "wxSTD iostream" to work in
 315    either case
 316  */
 317 #if !wxUSE_IOSTREAMH
 318 #    define wxSTD std::
 319 #else
 320 #    define wxSTD
 321 #endif
 322
 323 /*
 324    OS: first of all, test for MS-DOS platform. We must do this before testing
 325        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 326  */
 327 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 328 #    ifndef __DOS__
 329 #        define __DOS__
 330 #    endif
 331     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 332     /* so define it if it hadn't been done by configure yet */
 333 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 334 #        ifdef __WATCOMC__
 335 #            define wxSIZE_T_IS_UINT
 336 #        endif
 337 #        ifdef __DJGPP__
 338 #            define wxSIZE_T_IS_ULONG
 339 #        endif
 340 #    endif
 341
 342 /*
 343    OS: then test for generic Unix defines, then for particular flavours and
 344        finally for Unix-like systems
 345  */
 346 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 347       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 348       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 349       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 350
 351 #    define __UNIX_LIKE__
 352
 353     /* Helps SGI compilation, apparently */
 354 #    ifdef __SGI__
 355 #        ifdef __GNUG__
 356 #            define __need_wchar_t
 357 #        else /* !gcc */
 358             /*
 359                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 360                idea to mix gcc and cc/CC, the name mangling is different
 361              */
 362 #            define __SGI_CC__
 363 #        endif /* gcc/!gcc */
 364 #    endif  /* SGI */
 365
 366 #    if defined(sun) || defined(__SUN__)
 367 #        ifndef __GNUG__
 368 #            ifndef __SUNCC__
 369 #                define __SUNCC__
 370 #            endif /* Sun CC */
 371 #        endif
 372 #    endif /* Sun */
 373
 374 #    ifdef __EMX__
 375 #        define OS2EMX_PLAIN_CHAR
 376 #    endif
 377
 378     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 379 #    if defined(__hpux) && !defined(__HPUX__)
 380 #        define __HPUX__
 381 #    endif /* HP-UX */
 382
 383 #    if defined(__CYGWIN__) || defined(__WINE__)
 384 #        if !defined(wxSIZE_T_IS_UINT)
 385 #            define wxSIZE_T_IS_UINT
 386 #        endif
 387 #    endif
 388 #elif defined(applec) || \
 389       defined(THINK_C) || \
 390       (defined(__MWERKS__) && !defined(__INTEL__))
 391       /* MacOS */
 392 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 393 #        define wxSIZE_T_IS_ULONG
 394 #    endif
 395 #elif defined(__WXMAC__) && defined(__APPLE__)
 396     /* Mac OS X */
 397 #    define __UNIX_LIKE__
 398
 399     /*
 400       These defines are needed when compiling using Project Builder
 401       with a non generated setup0.h
 402     */
 403 #    ifndef __UNIX__
 404 #        define __UNIX__ 1
 405 #    endif
 406 #    ifndef __BSD__
 407 #        define __BSD__ 1
 408 #    endif
 409 #    ifndef __DARWIN__
 410 #        define __DARWIN__ 1
 411 #    endif
 412 #    ifndef __POWERPC__
 413 #        define __POWERPC__ 1
 414 #    endif
 415 #    ifndef TARGET_CARBON
 416 #        define TARGET_CARBON 1
 417 #    endif
 418
 419 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 420 #        define wxSIZE_T_IS_ULONG
 421 #    endif
 422     /*
 423        Some code has been added to workaround defects(?) in the
 424        bundled gcc compiler. These corrections are identified by
 425        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 426      */
 427 #elif defined(__OS2__)
 428 #    if defined(__IBMCPP__)
 429 #        define __VISAGEAVER__ __IBMCPP__
 430 #    endif
 431 #    ifndef __WXOS2__
 432 #        define __WXOS2__
 433 #    endif
 434 #    ifndef __WXPM__
 435 #        define __WXPM__
 436 #    endif
 437
 438     /* Place other OS/2 compiler environment defines here */
 439 #    if defined(__VISAGECPP__)
 440         /* VisualAge is the only thing that understands _Optlink */
 441 #        define LINKAGEMODE _Optlink
 442 #    endif
 443 #    define wxSIZE_T_IS_UINT
 444
 445 #elif defined(__PALMOS__)
 446 #    ifdef __WIN32__
 447 #        error "__WIN32__ should not be defined for PalmOS"
 448 #    endif
 449 #    ifdef __WINDOWS__
 450 #        error "__WINDOWS__ should not be defined for PalmOS"
 451 #    endif
 452 #    ifdef __WXMSW__
 453 #        error "__WXMSW__ should not be defined for PalmOS"
 454 #    endif
 455
 456 #else   /* Windows */
 457 #    ifndef __WINDOWS__
 458 #        define __WINDOWS__
 459 #    endif  /* Windows */
 460
 461     /* to be changed for Win64! */
 462 #    ifndef __WIN32__
 463 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 464 #    endif
 465
 466     /*
 467        define another standard symbol for Microsoft Visual C++: the standard
 468        one (_MSC_VER) is also defined by Metrowerks compiler
 469      */
 470 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 471 #        define __VISUALC__ _MSC_VER
 472 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 473 #        define __BORLANDC__
 474 #      elif defined(__WATCOMC__)
 475 #    elif defined(__SC__)
 476 #        define __SYMANTECC__
 477 #    endif  /* compiler */
 478
 479     /* size_t is the same as unsigned int for all Windows compilers we know, */
 480     /* so define it if it hadn't been done by configure yet */
 481 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 482 #        define wxSIZE_T_IS_UINT
 483 #    endif
 484 #endif  /* OS */
 485
 486 /*
 487    if we're on a Unix system but didn't use configure (so that setup.h didn't
 488    define __UNIX__), do define __UNIX__ now
 489  */
 490 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 491 #    define __UNIX__
 492 #endif /* Unix */
 493
 494 #if defined(__WXMOTIF__) || defined(__WXX11__)
 495 #    define __X__
 496 #endif
 497
 498 #ifdef __SC__
 499 #    ifdef __DMC__
 500 #         define __DIGITALMARS__
 501 #    else
 502 #         define __SYMANTEC__
 503 #    endif
 504 #endif
 505
 506 /* Force linking against required libraries under Windows CE: */
 507 #ifdef __WXWINCE__
 508 #   include "wx/msw/wince/libraries.h"
 509 #endif
 510
 511 /* Force inclusion of main PalmOS header: */
 512 #ifdef __WXPALMOS__
 513 #   include <PalmOS.h>
 514 #   undef Abs
 515 #endif
 516
 517 /*
 518    This macro can be used to test the gcc version and can be used like this:
 519
 520 #    if wxCHECK_GCC_VERSION(3, 1)
 521         ... we have gcc 3.1 or later ...
 522 #    else
 523         ... no gcc at all or gcc < 3.1 ...
 524 #    endif
 525 */
 526 #define wxCHECK_GCC_VERSION( major, minor ) \
 527     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 528     && ( ( __GNUC__ > (major) ) \
 529         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 530
 531 /*
 532    This macro can be used to check that the version of mingw32 compiler is
 533    at least maj.min
 534  */
 535 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 536     defined( __CYGWIN__ ) || \
 537       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 538     !defined(__DOS__) && \
 539     !defined(__WXMOTIF__) && \
 540     !defined(__WXGTK__) && \
 541     !defined(__WXX11__) && \
 542     !defined(__WXPALMOS__)
 543 #    include "wx/msw/gccpriv.h"
 544 #else
 545 #    undef wxCHECK_W32API_VERSION
 546 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 547 #endif
 548
 549 #if defined (__WXMSW__)
 550 #    if !defined(__WATCOMC__)
 551 #        define wxHAVE_RAW_BITMAP
 552 #    endif
 553 #endif
 554
 555 #if defined (__WXMAC__)
 556 #    ifndef WORDS_BIGENDIAN
 557 #        define WORDS_BIGENDIAN 1
 558 #    endif
 559 #endif
 560
 561 /* Choose which method we will use for updating menus
 562  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 563  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 564  */
 565 #ifndef wxUSE_IDLEMENUUPDATES
 566 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 567 #        define wxUSE_IDLEMENUUPDATES 0
 568 #    else
 569 #        define wxUSE_IDLEMENUUPDATES 1
 570 #    endif
 571 #endif
 572
 573 /*
 574  * Define symbols that are not yet in
 575  * configure or possibly some setup.h files.
 576  * They will need to be added.
 577  */
 578
 579 #ifndef wxUSE_FILECONFIG
 580 #    if wxUSE_CONFIG
 581 #        define wxUSE_FILECONFIG 1
 582 #    else
 583 #        define wxUSE_FILECONFIG 0
 584 #    endif
 585 #endif
 586
 587 #ifndef wxUSE_HOTKEY
 588 #    define wxUSE_HOTKEY 0
 589 #endif
 590
 591 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 592 #    define wxUSE_WXDIB 1
 593 #endif
 594
 595 /*
 596     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 597     OSX 10.2 and lower
 598     FIXME:  We need a better way to detect for 10.3 then including a system header
 599 */
 600 #ifdef __DARWIN__
 601     #include <AvailabilityMacros.h>
 602 #endif
 603
 604 #endif /* _WX_PLATFORM_H_ */
 605