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