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    OS: first of all, test for MS-DOS platform. We must do this before testing
 277        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 278  */
 279 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 280 #    ifndef __DOS__
 281 #        define __DOS__
 282 #    endif
 283     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 284     /* so define it if it hadn't been done by configure yet */
 285 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 286 #        ifdef __WATCOMC__
 287 #            define wxSIZE_T_IS_UINT
 288 #        endif
 289 #        ifdef __DJGPP__
 290 #            define wxSIZE_T_IS_ULONG
 291 #        endif
 292 #    endif
 293
 294 /*
 295    OS: then test for generic Unix defines, then for particular flavours and
 296        finally for Unix-like systems
 297  */
 298 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 299       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 300       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 301       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 302
 303 #    define __UNIX_LIKE__
 304
 305     /* Helps SGI compilation, apparently */
 306 #    ifdef __SGI__
 307 #        ifdef __GNUG__
 308 #            define __need_wchar_t
 309 #        else /* !gcc */
 310             /*
 311                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 312                idea to mix gcc and cc/CC, the name mangling is different
 313              */
 314 #            define __SGI_CC__
 315 #        endif /* gcc/!gcc */
 316
 317         /* system headers use this symbol and not __cplusplus in some places */
 318 #       ifndef _LANGUAGE_C_PLUS_PLUS
 319 #           define _LANGUAGE_C_PLUS_PLUS
 320 #       endif
 321 #    endif  /* SGI */
 322
 323 #    if defined(__SUNPRO_CC)
 324 #       ifndef __SUNCC__
 325 #           define __SUNCC__ __SUNPRO_CC
 326 #       endif /* Sun CC */
 327 #    endif /* Sun CC */
 328
 329 #    ifdef __EMX__
 330 #        define OS2EMX_PLAIN_CHAR
 331 #    endif
 332
 333     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 334 #    if defined(__hpux) && !defined(__HPUX__)
 335 #        define __HPUX__
 336 #    endif /* HP-UX */
 337
 338 #    if defined(__CYGWIN__) || defined(__WINE__)
 339 #        if !defined(wxSIZE_T_IS_UINT)
 340 #            define wxSIZE_T_IS_UINT
 341 #        endif
 342 #    endif
 343 #elif defined(applec) || \
 344       defined(THINK_C) || \
 345       (defined(__MWERKS__) && !defined(__INTEL__))
 346       /* MacOS */
 347 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 348 #        define wxSIZE_T_IS_ULONG
 349 #    endif
 350 #elif defined(__WXMAC__) && defined(__APPLE__)
 351     /* Mac OS X */
 352 #    define __UNIX_LIKE__
 353
 354     /*
 355       These defines are needed when compiling using Project Builder
 356       with a non generated setup0.h
 357     */
 358 #    ifndef __UNIX__
 359 #        define __UNIX__ 1
 360 #    endif
 361 #    ifndef __BSD__
 362 #        define __BSD__ 1
 363 #    endif
 364 #    ifndef __DARWIN__
 365 #        define __DARWIN__ 1
 366 #    endif
 367 #    ifndef __POWERPC__
 368 #        define __POWERPC__ 1
 369 #    endif
 370 #    ifndef TARGET_CARBON
 371 #        define TARGET_CARBON 1
 372 #    endif
 373
 374 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 375 #        define wxSIZE_T_IS_ULONG
 376 #    endif
 377     /*
 378        Some code has been added to workaround defects(?) in the
 379        bundled gcc compiler. These corrections are identified by
 380        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 381      */
 382 #elif defined(__OS2__)
 383
 384     /* wxOS2 vs. non wxOS2 ports on OS2 platform */
 385 #    if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 386 #        ifndef __WXPM__
 387 #            define __WXPM__
 388 #        endif
 389 #    endif
 390
 391 #    if defined(__IBMCPP__)
 392 #        define __VISAGEAVER__ __IBMCPP__
 393 #    endif
 394
 395     /* Place other OS/2 compiler environment defines here */
 396 #    if defined(__VISAGECPP__)
 397         /* VisualAge is the only thing that understands _Optlink */
 398 #        define LINKAGEMODE _Optlink
 399 #    endif
 400 #    define wxSIZE_T_IS_UINT
 401
 402 #elif defined(__PALMOS__)
 403 #    ifdef __WIN32__
 404 #        error "__WIN32__ should not be defined for PalmOS"
 405 #    endif
 406 #    ifdef __WINDOWS__
 407 #        error "__WINDOWS__ should not be defined for PalmOS"
 408 #    endif
 409 #    ifdef __WXMSW__
 410 #        error "__WXMSW__ should not be defined for PalmOS"
 411 #    endif
 412
 413 #else   /* Windows */
 414 #    ifndef __WINDOWS__
 415 #        define __WINDOWS__
 416 #    endif  /* Windows */
 417
 418     /* to be changed for Win64! */
 419 #    ifndef __WIN32__
 420 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 421 #    endif
 422
 423     /*
 424        define another standard symbol for Microsoft Visual C++: the standard
 425        one (_MSC_VER) is also defined by Metrowerks compiler
 426      */
 427 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 428 #        define __VISUALC__ _MSC_VER
 429 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 430 #        define __BORLANDC__
 431 #    elif defined(__WATCOMC__)
 432 #    elif defined(__SC__)
 433 #        define __SYMANTECC__
 434 #    endif  /* compiler */
 435
 436     /* size_t is the same as unsigned int for all Windows compilers we know, */
 437     /* so define it if it hadn't been done by configure yet */
 438 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 439 #        define wxSIZE_T_IS_UINT
 440 #    endif
 441 #endif  /* OS */
 442
 443 /*
 444    if we're on a Unix system but didn't use configure (so that setup.h didn't
 445    define __UNIX__), do define __UNIX__ now
 446  */
 447 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 448 #    define __UNIX__
 449 #endif /* Unix */
 450
 451 #if defined(__WXMOTIF__) || defined(__WXX11__)
 452 #    define __X__
 453 #endif
 454
 455 #ifdef __SC__
 456 #    ifdef __DMC__
 457 #         define __DIGITALMARS__
 458 #    else
 459 #         define __SYMANTEC__
 460 #    endif
 461 #endif
 462
 463 #ifdef __INTEL_COMPILER
 464 #   define __INTELC__
 465 #endif
 466
 467 /*
 468    We get "Large Files (ILP32) not supported in strict ANSI mode." #error
 469    from HP-UX standard headers when compiling with g++ without this:
 470  */
 471 #if defined(__HPUX__) && !defined(__STDC_EXT__)
 472 #   define __STDC_EXT__ 1
 473 #endif
 474
 475 /* Force linking against required libraries under Windows: */
 476 #ifdef __WXWINCE__
 477 #   include "wx/msw/wince/libraries.h"
 478 #elif defined __WINDOWS__
 479 #   include "wx/msw/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 #if defined(__GNUC__) && defined(__GNUC_MINOR__)
 492     #define wxCHECK_GCC_VERSION( major, minor ) \
 493         ( ( __GNUC__ > (major) ) \
 494             || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
 495 #else
 496     #define wxCHECK_GCC_VERSION( major, minor ) 0
 497 #endif
 498
 499 #if defined(__BORLANDC__) || (defined(__GNUC__) && __GNUC__ < 3)
 500 #define wxNEEDS_CHARPP
 501 #endif
 502
 503 /*
 504    This macro can be used to check that the version of mingw32 compiler is
 505    at least maj.min
 506  */
 507 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 508     ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
 509       wxCHECK_WATCOM_VERSION(1,0) ) && \
 510     !defined(__DOS__) && \
 511     !defined(__WXPM__) && \
 512     !defined(__WXMOTIF__) && \
 513     !defined(__WXGTK__) && \
 514     !defined(__WXX11__) && \
 515     !defined(__WXPALMOS__)
 516 #    include "wx/msw/gccpriv.h"
 517 #else
 518 #    undef wxCHECK_W32API_VERSION
 519 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 520 #endif
 521
 522 /**
 523     This is similar to wxCHECK_GCC_VERSION but for Sun CC compiler.
 524  */
 525 #ifdef __SUNCC__
 526     /*
 527        __SUNCC__ is 0xVRP where V is major version, R release and P patch level
 528      */
 529     #define wxCHECK_SUNCC_VERSION(maj, min) (__SUNCC__ >= (((maj)<<8) | ((min)<<4)))
 530 #else
 531     #define wxCHECK_SUNCC_VERSION(maj, min) (0)
 532 #endif
 533
 534 #if defined (__WXMSW__)
 535 #    if !defined(__WATCOMC__)
 536 #        define wxHAVE_RAW_BITMAP
 537 #    endif
 538 #endif
 539
 540 #if defined (__WXMAC__)
 541 #    if ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
 542 #        define WORDS_BIGENDIAN 1
 543 #    else
 544 #        undef WORDS_BIGENDIAN
 545 #    endif
 546 #endif
 547
 548 /*
 549    check the consistency of the settings in setup.h: note that this must be
 550    done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 551    and after defining the compiler macros which are used in it too
 552  */
 553 #include "wx/chkconf.h"
 554
 555
 556 /*
 557    some compilers don't support iostream.h any longer, while some of theme
 558    are not updated with <iostream> yet, so override the users setting here
 559    in such case.
 560  */
 561 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 562 #    undef wxUSE_IOSTREAMH
 563 #    define wxUSE_IOSTREAMH 0
 564 #elif defined(__DMC__) || defined(__WATCOMC__)
 565 #    undef wxUSE_IOSTREAMH
 566 #    define wxUSE_IOSTREAMH 1
 567 #elif defined(__MINGW32__)
 568 #    undef wxUSE_IOSTREAMH
 569 #    define wxUSE_IOSTREAMH 0
 570 #endif /* compilers with/without iostream.h */
 571
 572 /*
 573    old C++ headers (like <iostream.h>) declare classes in the global namespace
 574    while the new, standard ones (like <iostream>) do it in std:: namespace,
 575    unless it's an old gcc version.
 576
 577    using this macro allows constuctions like "wxSTD iostream" to work in
 578    either case
 579  */
 580 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 581 #    define wxSTD std::
 582 #else
 583 #    define wxSTD
 584 #endif
 585
 586 /* Choose which method we will use for updating menus
 587  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 588  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 589  */
 590 #ifndef wxUSE_IDLEMENUUPDATES
 591 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 592 #        define wxUSE_IDLEMENUUPDATES 0
 593 #    else
 594 #        define wxUSE_IDLEMENUUPDATES 1
 595 #    endif
 596 #endif
 597
 598 /*
 599  * Define symbols that are not yet in
 600  * configure or possibly some setup.h files.
 601  * They will need to be added.
 602  */
 603
 604 #ifndef wxUSE_FILECONFIG
 605 #    if wxUSE_CONFIG
 606 #        define wxUSE_FILECONFIG 1
 607 #    else
 608 #        define wxUSE_FILECONFIG 0
 609 #    endif
 610 #endif
 611
 612 #ifndef wxUSE_HOTKEY
 613 #    define wxUSE_HOTKEY 0
 614 #endif
 615
 616 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 617 #    define wxUSE_WXDIB 1
 618 #endif
 619
 620 /*
 621     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 622     OSX 10.2 and lower
 623     FIXME:  We need a better way to detect for 10.3 then including a system header
 624 */
 625 #ifdef __DARWIN__
 626     #include <AvailabilityMacros.h>
 627 #endif
 628
 629 #endif /* _WX_PLATFORM_H_ */