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 Vadim Zeitlin
   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 #ifdef __MWERKS__
  23 #   include <stddef.h>
  24 #endif
  25
  26 /*
  27     This header must be included before anything else under VMS
  28  */
  29 #ifdef __VMS
  30 #   include <vms_jackets.h>
  31 #   undef ConnectionNumber
  32 #endif
  33
  34 /*
  35     WXMAC variants
  36     __WXMAC_CLASSIC__ means ppc non-carbon builds, __WXMAC_CARBON__ means
  37     carbon API available (mach or cfm builds) , __WXMAC_OSX__ means mach-o
  38     builds, running under 10.2 + only
  39 */
  40 #ifdef __WXMAC__
  41 #    if defined(__MACH__)
  42 #        define __WXMAC_OSX__
  43 #        define __WXMAC_CARBON__
  44 #        include <AvailabilityMacros.h>
  45 #        ifndef MAC_OS_X_VERSION_10_4
  46 #           define MAC_OS_X_VERSION_10_4 1040
  47 #        endif
  48 #        ifndef MAC_OS_X_VERSION_10_5
  49 #           define MAC_OS_X_VERSION_10_5 1050
  50 #        endif
  51 #        ifdef __WXMAC_XCODE__
  52 #            include <unistd.h>
  53 #            include "wx/mac/carbon/config_xcode.h"
  54 #        endif
  55 #    else
  56 #        if TARGET_CARBON
  57 #            define __WXMAC_CARBON__
  58 #        else
  59 #            define __WXMAC_CLASSIC__
  60 #        endif
  61 #    endif
  62 #endif
  63
  64 /*
  65     __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
  66  */
  67 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
  68 #   define __WXOSX__
  69 #endif
  70
  71 /*
  72    first define Windows symbols if they're not defined on the command line: we
  73    can autodetect everything we need if _WIN32 is defined
  74  */
  75 #if defined(__CYGWIN__) && defined(__WINDOWS__)
  76 #    ifndef __WXMSW__
  77 #        define __WXMSW__
  78 #    endif
  79
  80 #    ifndef _WIN32
  81 #        define _WIN32
  82 #    endif
  83
  84 #    ifndef WIN32
  85 #        define WIN32
  86 #    endif
  87 #endif
  88
  89 #if defined(__PALMOS__)
  90 #   if __PALMOS__ == 0x06000000
  91 #       define __WXPALMOS6__
  92 #   endif
  93 #   if __PALMOS__ == 0x05000000
  94 #       define __WXPALMOS5__
  95 #   endif
  96 #   ifndef __WXPALMOS__
  97 #       define __WXPALMOS__
  98 #   endif
  99 #   ifdef __WXMSW__
 100 #       undef __WXMSW__
 101 #   endif
 102 #   ifdef __WINDOWS__
 103 #       undef __WINDOWS__
 104 #   endif
 105 #   ifdef __WIN32__
 106 #       undef __WIN32__
 107 #   endif
 108 #   ifdef WIN32
 109 #       undef WIN32
 110 #   endif
 111 #   ifdef _WIN32
 112 #       undef _WIN32
 113 #   endif
 114 #endif
 115
 116 #if defined(_WIN64)
 117 #    ifndef _WIN32
 118         /*
 119             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
 120             Windows or to test for !__WIN16__, so we must define _WIN32 for
 121             Win64 as well to ensure that the existing code continues to work.
 122          */
 123 #       define _WIN32
 124 #   endif /* !_WIN32 */
 125
 126 #   ifndef __WIN64__
 127 #       define __WIN64__
 128 #   endif /* !__WIN64__ */
 129 #endif /* _WIN64 */
 130
 131 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
 132     && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 133 #    ifndef __WXMSW__
 134 #        define __WXMSW__
 135 #    endif
 136
 137 #    ifndef __WIN32__
 138 #        define __WIN32__
 139 #    endif
 140 #endif /* Win32 */
 141
 142 #if defined(__WXMSW__) || defined(__WIN32__)
 143 #   if !defined(__WINDOWS__)
 144 #       define __WINDOWS__
 145 #   endif
 146 #endif
 147
 148 /* detect MS SmartPhone */
 149 #if defined( WIN32_PLATFORM_WFSP )
 150 #   ifndef __SMARTPHONE__
 151 #       define __SMARTPHONE__
 152 #   endif
 153 #   ifndef __WXWINCE__
 154 #       define __WXWINCE__
 155 #   endif
 156 #endif
 157
 158 /* detect PocketPC */
 159 #if defined( WIN32_PLATFORM_PSPC )
 160 #   ifndef __POCKETPC__
 161 #       define __POCKETPC__
 162 #   endif
 163 #   ifndef __WXWINCE__
 164 #       define __WXWINCE__
 165 #   endif
 166 #endif
 167
 168 /* detect Standard WinCE SDK */
 169 #if defined( WCE_PLATFORM_STANDARDSDK )
 170 #   ifndef __WINCE_STANDARDSDK__
 171 #       define __WINCE_STANDARDSDK__
 172 #   endif
 173 #   ifndef __WXWINCE__
 174 #       define __WXWINCE__
 175 #   endif
 176 #endif
 177
 178 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 179 #   if (_WIN32_WCE >= 400)
 180 #       ifndef __WINCE_NET__
 181 #           define __WINCE_NET__
 182 #       endif
 183 #   elif (_WIN32_WCE >= 200)
 184 #       ifndef __HANDHELDPC__
 185 #           define __HANDHELDPC__
 186 #       endif
 187 #   endif
 188 #   ifndef __WXWINCE__
 189 #       define __WXWINCE__
 190 #   endif
 191 #endif
 192
 193 #if defined(__POCKETPC__) || defined(__SMARTPHONE__) || defined(__WXGPE__)
 194 #   define __WXHANDHELD__
 195 #endif
 196
 197 /*
 198    Include wx/setup.h for the Unix platform defines generated by configure and
 199    the library compilation options
 200
 201    Note that it must be included before defining hardware symbols below as they
 202    could be already defined by configure
 203  */
 204 #include "wx/setup.h"
 205
 206 /*
 207    Hardware platform detection.
 208
 209    VC++ defines _M_xxx symbols.
 210  */
 211 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
 212     #ifndef __INTEL__
 213         #define __INTEL__
 214     #endif
 215 #endif /* x86 */
 216
 217 #if defined(_M_IA64)
 218     #ifndef __IA64__
 219         #define __IA64__
 220     #endif
 221 #endif /* ia64 */
 222
 223 #if defined(_M_MPPC) || defined(__PPC__)
 224     #ifndef __POWERPC__
 225         #define __POWERPC__
 226     #endif
 227 #endif /* alpha */
 228
 229 #if defined(_M_ALPHA) || defined(__AXP__)
 230     #ifndef __ALPHA__
 231         #define __ALPHA__
 232     #endif
 233 #endif /* alpha */
 234
 235
 236 /*
 237    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 238    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 239    the system headers so bring these settings in sync
 240  */
 241
 242 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 243 #if defined(_UNICODE) || defined(UNICODE)
 244 #   undef wxUSE_UNICODE
 245 #   define wxUSE_UNICODE 1
 246 #else /* !UNICODE */
 247 #   ifndef wxUSE_UNICODE
 248 #       define wxUSE_UNICODE 0
 249 #   endif
 250 #endif /* UNICODE/!UNICODE */
 251
 252 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 253 #if wxUSE_UNICODE
 254 #   ifndef _UNICODE
 255 #       define _UNICODE
 256 #   endif
 257 #   ifndef UNICODE
 258 #       define UNICODE
 259 #   endif
 260 #endif /* wxUSE_UNICODE */
 261
 262 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 263 /* otherwise MSL headers bring in WIN32 dependant APIs */
 264 #undef UNICODE
 265 #endif
 266
 267
 268 /*
 269    This macro can be used to test the Open Watcom version.
 270 */
 271 #ifndef __WATCOMC__
 272 #   define wxWATCOM_VERSION(major,minor) 0
 273 #   define wxCHECK_WATCOM_VERSION(major,minor) 0
 274 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
 275 #elif defined(__WATCOMC__) && __WATCOMC__ < 1200
 276 #   error "Only Open Watcom is supported in this release"
 277 #else
 278 #   define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
 279 #   define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
 280 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
 281 #endif
 282
 283 /*
 284    OS: first of all, test for MS-DOS platform. We must do this before testing
 285        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 286  */
 287 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 288 #    ifndef __DOS__
 289 #        define __DOS__
 290 #    endif
 291     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 292     /* so define it if it hadn't been done by configure yet */
 293 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 294 #        ifdef __WATCOMC__
 295 #            define wxSIZE_T_IS_UINT
 296 #        endif
 297 #        ifdef __DJGPP__
 298 #            define wxSIZE_T_IS_ULONG
 299 #        endif
 300 #    endif
 301
 302 /*
 303    OS: then test for generic Unix defines, then for particular flavours and
 304        finally for Unix-like systems
 305  */
 306 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 307       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 308       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 309       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 310
 311 #    define __UNIX_LIKE__
 312
 313     /* Helps SGI compilation, apparently */
 314 #    ifdef __SGI__
 315 #        ifdef __GNUG__
 316 #            define __need_wchar_t
 317 #        else /* !gcc */
 318             /*
 319                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 320                idea to mix gcc and cc/CC, the name mangling is different
 321              */
 322 #            define __SGI_CC__
 323 #        endif /* gcc/!gcc */
 324
 325         /* system headers use this symbol and not __cplusplus in some places */
 326 #       ifndef _LANGUAGE_C_PLUS_PLUS
 327 #           define _LANGUAGE_C_PLUS_PLUS
 328 #       endif
 329 #    endif  /* SGI */
 330
 331 #    if defined(__SUNPRO_CC)
 332 #       ifndef __SUNCC__
 333 #           define __SUNCC__ __SUNPRO_CC
 334 #       endif /* Sun CC */
 335 #    endif /* Sun CC */
 336
 337 #    ifdef __EMX__
 338 #        define OS2EMX_PLAIN_CHAR
 339 #    endif
 340
 341     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 342 #    if defined(__hpux) && !defined(__HPUX__)
 343 #        define __HPUX__
 344 #    endif /* HP-UX */
 345
 346 #    if defined(__CYGWIN__) || defined(__WINE__)
 347 #        if !defined(wxSIZE_T_IS_UINT)
 348 #            define wxSIZE_T_IS_UINT
 349 #        endif
 350 #    endif
 351 #elif defined(applec) || \
 352       defined(THINK_C) || \
 353       (defined(__MWERKS__) && !defined(__INTEL__))
 354       /* MacOS */
 355 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 356 #        define wxSIZE_T_IS_ULONG
 357 #    endif
 358 #elif defined(__WXMAC__) && defined(__APPLE__)
 359     /* Mac OS X */
 360 #    define __UNIX_LIKE__
 361
 362     /*
 363       These defines are needed when compiling using Project Builder
 364       with a non generated setup0.h
 365     */
 366 #    ifndef __UNIX__
 367 #        define __UNIX__ 1
 368 #    endif
 369 #    ifndef __BSD__
 370 #        define __BSD__ 1
 371 #    endif
 372 #    ifndef __DARWIN__
 373 #        define __DARWIN__ 1
 374 #    endif
 375 #    ifndef __POWERPC__
 376 #        define __POWERPC__ 1
 377 #    endif
 378 #    ifndef TARGET_CARBON
 379 #        define TARGET_CARBON 1
 380 #    endif
 381
 382 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 383 #        define wxSIZE_T_IS_ULONG
 384 #    endif
 385     /*
 386        Some code has been added to workaround defects(?) in the
 387        bundled gcc compiler. These corrections are identified by
 388        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 389      */
 390 #elif defined(__OS2__)
 391
 392     /* wxOS2 vs. non wxOS2 ports on OS2 platform */
 393 #    if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 394 #        ifndef __WXPM__
 395 #            define __WXPM__
 396 #        endif
 397 #    endif
 398
 399 #    if defined(__IBMCPP__)
 400 #        define __VISAGEAVER__ __IBMCPP__
 401 #    endif
 402
 403     /* Place other OS/2 compiler environment defines here */
 404 #    if defined(__VISAGECPP__)
 405         /* VisualAge is the only thing that understands _Optlink */
 406 #        define LINKAGEMODE _Optlink
 407 #    endif
 408 #    define wxSIZE_T_IS_UINT
 409
 410 #elif defined(__PALMOS__)
 411 #    ifdef __WIN32__
 412 #        error "__WIN32__ should not be defined for PalmOS"
 413 #    endif
 414 #    ifdef __WINDOWS__
 415 #        error "__WINDOWS__ should not be defined for PalmOS"
 416 #    endif
 417 #    ifdef __WXMSW__
 418 #        error "__WXMSW__ should not be defined for PalmOS"
 419 #    endif
 420
 421 #else   /* Windows */
 422 #    ifndef __WINDOWS__
 423 #        define __WINDOWS__
 424 #    endif  /* Windows */
 425
 426     /* to be changed for Win64! */
 427 #    ifndef __WIN32__
 428 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 429 #    endif
 430
 431     /*
 432        define another standard symbol for Microsoft Visual C++: the standard
 433        one (_MSC_VER) is also defined by Metrowerks compiler
 434      */
 435 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 436 #        define __VISUALC__ _MSC_VER
 437 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 438 #        define __BORLANDC__
 439 #    elif defined(__WATCOMC__)
 440 #    elif defined(__SC__)
 441 #        define __SYMANTECC__
 442 #    endif  /* compiler */
 443
 444     /* size_t is the same as unsigned int for all Windows compilers we know, */
 445     /* so define it if it hadn't been done by configure yet */
 446 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 447 #        define wxSIZE_T_IS_UINT
 448 #    endif
 449 #endif  /* OS */
 450
 451 /*
 452    if we're on a Unix system but didn't use configure (so that setup.h didn't
 453    define __UNIX__), do define __UNIX__ now
 454  */
 455 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 456 #    define __UNIX__
 457 #endif /* Unix */
 458
 459 #if defined(__WXMOTIF__) || defined(__WXX11__)
 460 #    define __X__
 461 #endif
 462
 463 #ifdef __SC__
 464 #    ifdef __DMC__
 465 #         define __DIGITALMARS__
 466 #    else
 467 #         define __SYMANTEC__
 468 #    endif
 469 #endif
 470
 471 #ifdef __INTEL_COMPILER
 472 #   define __INTELC__
 473 #endif
 474
 475 /*
 476    We get "Large Files (ILP32) not supported in strict ANSI mode." #error
 477    from HP-UX standard headers when compiling with g++ without this:
 478  */
 479 #if defined(__HPUX__) && !defined(__STDC_EXT__)
 480 #   define __STDC_EXT__ 1
 481 #endif
 482
 483 /* Force linking against required libraries under Windows: */
 484 #ifdef __WXWINCE__
 485 #   include "wx/msw/wince/libraries.h"
 486 #elif defined __WINDOWS__
 487 #   include "wx/msw/libraries.h"
 488 #endif
 489
 490 /*
 491    This macro can be used to test the gcc version and can be used like this:
 492
 493 #    if wxCHECK_GCC_VERSION(3, 1)
 494         ... we have gcc 3.1 or later ...
 495 #    else
 496         ... no gcc at all or gcc < 3.1 ...
 497 #    endif
 498 */
 499 #if defined(__GNUC__) && defined(__GNUC_MINOR__)
 500     #define wxCHECK_GCC_VERSION( major, minor ) \
 501         ( ( __GNUC__ > (major) ) \
 502             || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
 503 #else
 504     #define wxCHECK_GCC_VERSION( major, minor ) 0
 505 #endif
 506
 507 #if defined(__BORLANDC__) || (defined(__GNUC__) && __GNUC__ < 3)
 508 #define wxNEEDS_CHARPP
 509 #endif
 510
 511 /*
 512    This macro can be used to check that the version of mingw32 compiler is
 513    at least maj.min
 514  */
 515 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 516     ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
 517       wxCHECK_WATCOM_VERSION(1,0) ) && \
 518     !defined(__DOS__) && \
 519     !defined(__WXPM__) && \
 520     !defined(__WXMOTIF__) && \
 521     !defined(__WXGTK__) && \
 522     !defined(__WXX11__) && \
 523     !defined(__WXPALMOS__)
 524 #    include "wx/msw/gccpriv.h"
 525 #else
 526 #    undef wxCHECK_W32API_VERSION
 527 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 528 #endif
 529
 530 /**
 531     This is similar to wxCHECK_GCC_VERSION but for Sun CC compiler.
 532  */
 533 #ifdef __SUNCC__
 534     /*
 535        __SUNCC__ is 0xVRP where V is major version, R release and P patch level
 536      */
 537     #define wxCHECK_SUNCC_VERSION(maj, min) (__SUNCC__ >= (((maj)<<8) | ((min)<<4)))
 538 #else
 539     #define wxCHECK_SUNCC_VERSION(maj, min) (0)
 540 #endif
 541
 542 #if defined (__WXMSW__)
 543 #    if !defined(__WATCOMC__)
 544 #        define wxHAVE_RAW_BITMAP
 545 #    endif
 546 #endif
 547
 548 #if defined (__WXMAC__)
 549 #    if ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
 550 #        define WORDS_BIGENDIAN 1
 551 #    else
 552 #        undef WORDS_BIGENDIAN
 553 #    endif
 554 #endif
 555
 556 /*
 557    check the consistency of the settings in setup.h: note that this must be
 558    done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 559    and after defining the compiler macros which are used in it too
 560  */
 561 #include "wx/chkconf.h"
 562
 563
 564 /*
 565    some compilers don't support iostream.h any longer, while some of theme
 566    are not updated with <iostream> yet, so override the users setting here
 567    in such case.
 568  */
 569 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 570 #    undef wxUSE_IOSTREAMH
 571 #    define wxUSE_IOSTREAMH 0
 572 #elif defined(__DMC__) || defined(__WATCOMC__)
 573 #    undef wxUSE_IOSTREAMH
 574 #    define wxUSE_IOSTREAMH 1
 575 #elif defined(__MINGW32__)
 576 #    undef wxUSE_IOSTREAMH
 577 #    define wxUSE_IOSTREAMH 0
 578 #endif /* compilers with/without iostream.h */
 579
 580 /*
 581    old C++ headers (like <iostream.h>) declare classes in the global namespace
 582    while the new, standard ones (like <iostream>) do it in std:: namespace,
 583    unless it's an old gcc version.
 584
 585    using this macro allows constuctions like "wxSTD iostream" to work in
 586    either case
 587  */
 588 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 589 #    define wxSTD std::
 590 #else
 591 #    define wxSTD
 592 #endif
 593
 594 /* On OpenVMS with the most recent HP C++ compiler some function (i.e. wscanf)
 595  * are only available in the std-namespace. (BUG???)
 596  */
 597 #if defined(  __VMS ) && (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD )
 598 # define wxVMS_USE_STD std::
 599 #else
 600 # define wxVMS_USE_STD
 601 #endif
 602
 603 /* Choose which method we will use for updating menus
 604  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 605  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 606  */
 607 #ifndef wxUSE_IDLEMENUUPDATES
 608 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 609 #        define wxUSE_IDLEMENUUPDATES 0
 610 #    else
 611 #        define wxUSE_IDLEMENUUPDATES 1
 612 #    endif
 613 #endif
 614
 615 /*
 616  * Define symbols that are not yet in
 617  * configure or possibly some setup.h files.
 618  * They will need to be added.
 619  */
 620
 621 #ifndef wxUSE_FILECONFIG
 622 #    if wxUSE_CONFIG
 623 #        define wxUSE_FILECONFIG 1
 624 #    else
 625 #        define wxUSE_FILECONFIG 0
 626 #    endif
 627 #endif
 628
 629 #ifndef wxUSE_HOTKEY
 630 #    define wxUSE_HOTKEY 0
 631 #endif
 632
 633 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 634 #    define wxUSE_WXDIB 1
 635 #endif
 636
 637 /*
 638     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 639     OSX 10.2 and lower
 640     FIXME:  We need a better way to detect for 10.3 then including a system header
 641 */
 642 #ifdef __DARWIN__
 643     #include <AvailabilityMacros.h>
 644 #endif
 645
 646 #endif /* _WX_PLATFORM_H_ */