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 #        ifdef __WXMAC_XCODE__
  37 #            include <unistd.h>
  38 #            include "wx/mac/carbon/config_xcode.h"
  39 #        endif
  40 #    else
  41 #        if TARGET_CARBON
  42 #            define __WXMAC_CARBON__
  43 #        else
  44 #            define __WXMAC_CLASSIC__
  45 #        endif
  46 #    endif
  47 #endif
  48
  49 /*
  50     __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
  51  */
  52 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
  53 #   define __WXOSX__
  54 #endif
  55
  56 /*
  57    first define Windows symbols if they're not defined on the command line: we
  58    can autodetect everything we need if _WIN32 is defined
  59  */
  60 #if defined(__CYGWIN__) && defined(__WINDOWS__)
  61 #    ifndef __WXMSW__
  62 #        define __WXMSW__
  63 #    endif
  64
  65 #    ifndef _WIN32
  66 #        define _WIN32
  67 #    endif
  68
  69 #    ifndef WIN32
  70 #        define WIN32
  71 #    endif
  72 #endif
  73
  74 #if defined(__PALMOS__)
  75 #   ifndef __WXPALMOS__
  76 #       define __WXPALMOS__
  77 #   endif
  78 #   ifdef __WXMSW__
  79 #       undef __WXMSW__
  80 #   endif
  81 #   ifdef __WINDOWS__
  82 #       undef __WINDOWS__
  83 #   endif
  84 #   ifdef __WIN32__
  85 #       undef __WIN32__
  86 #   endif
  87 #   ifdef WIN32
  88 #       undef WIN32
  89 #   endif
  90 #   ifdef _WIN32
  91 #       undef _WIN32
  92 #   endif
  93 #endif
  94
  95 #if defined(_WIN64)
  96 #    ifndef _WIN32
  97         /*
  98             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
  99             Windows or to test for !__WIN16__, so we must define _WIN32 for
 100             Win64 as well to ensure that the existing code continues to work.
 101          */
 102 #       define _WIN32
 103 #   endif /* !_WIN32 */
 104
 105 #   ifndef __WIN64__
 106 #       define __WIN64__
 107 #   endif /* !__WIN64__ */
 108 #endif /* _WIN64 */
 109
 110 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
 111     && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 112 #    ifndef __WXMSW__
 113 #        define __WXMSW__
 114 #    endif
 115
 116 #    ifndef __WIN32__
 117 #        define __WIN32__
 118 #    endif
 119
 120     /* this means Win95-style UI, i.e. Win9x/NT 4+: always true now */
 121 #    if !defined(__WIN95__)
 122 #        define __WIN95__
 123 #    endif
 124 #endif /* Win32 */
 125
 126 #if defined(__WXMSW__) || defined(__WIN32__)
 127 #   if !defined(__WINDOWS__)
 128 #       define __WINDOWS__
 129 #   endif
 130 #endif
 131
 132 #ifdef __WINE__
 133 #   ifndef __WIN95__
 134 #       define __WIN95__
 135 #   endif
 136 #endif /* WINE */
 137
 138 /* detect MS SmartPhone */
 139 #if defined( WIN32_PLATFORM_WFSP )
 140 #   ifndef __SMARTPHONE__
 141 #       define __SMARTPHONE__
 142 #   endif
 143 #   ifndef __WXWINCE__
 144 #       define __WXWINCE__
 145 #   endif
 146 #endif
 147
 148 /* detect PocketPC */
 149 #if defined( WIN32_PLATFORM_PSPC )
 150 #   ifndef __POCKETPC__
 151 #       define __POCKETPC__
 152 #   endif
 153 #   ifndef __WXWINCE__
 154 #       define __WXWINCE__
 155 #   endif
 156 #endif
 157
 158 /* detect Standard WinCE SDK */
 159 #if defined( WCE_PLATFORM_STANDARDSDK )
 160 #   ifndef __WINCE_STANDARDSDK__
 161 #       define __WINCE_STANDARDSDK__
 162 #   endif
 163 #   ifndef __WXWINCE__
 164 #       define __WXWINCE__
 165 #   endif
 166 #endif
 167
 168 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 169 #   if (_WIN32_WCE >= 400)
 170 #       ifndef __WINCE_NET__
 171 #           define __WINCE_NET__
 172 #       endif
 173 #   elif (_WIN32_WCE >= 200)
 174 #       ifndef __HANDHELDPC__
 175 #           define __HANDHELDPC__
 176 #       endif
 177 #   endif
 178 #   ifndef __WXWINCE__
 179 #       define __WXWINCE__
 180 #   endif
 181 #endif
 182
 183 /*
 184    Include wx/setup.h for the Unix platform defines generated by configure and
 185    the library compilation options
 186
 187    Note that it must be included before defining hardware symbols below as they
 188    could be already defined by configure
 189  */
 190 #include "wx/setup.h"
 191
 192 /*
 193    Hardware platform detection.
 194
 195    VC++ defines _M_xxx symbols.
 196  */
 197 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
 198     #ifndef __INTEL__
 199         #define __INTEL__
 200     #endif
 201 #endif /* x86 */
 202
 203 #if defined(_M_IA64)
 204     #ifndef __IA64__
 205         #define __IA64__
 206     #endif
 207 #endif /* ia64 */
 208
 209 #if defined(_M_MPPC) || defined(__PPC__)
 210     #ifndef __POWERPC__
 211         #define __POWERPC__
 212     #endif
 213 #endif /* alpha */
 214
 215 #if defined(_M_ALPHA) || defined(__AXP__)
 216     #ifndef __ALPHA__
 217         #define __ALPHA__
 218     #endif
 219 #endif /* alpha */
 220
 221
 222 /*
 223    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 224    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 225    the system headers so bring these settings in sync
 226  */
 227
 228 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 229 #if defined(_UNICODE) || defined(UNICODE)
 230 #   undef wxUSE_UNICODE
 231 #   define wxUSE_UNICODE 1
 232 #else /* !UNICODE */
 233 #   ifndef wxUSE_UNICODE
 234 #       define wxUSE_UNICODE 0
 235 #   endif
 236 #endif /* UNICODE/!UNICODE */
 237
 238 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 239 #if wxUSE_UNICODE
 240 #   ifndef _UNICODE
 241 #       define _UNICODE
 242 #   endif
 243 #   ifndef UNICODE
 244 #       define UNICODE
 245 #   endif
 246 #endif /* wxUSE_UNICODE */
 247
 248 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 249 // otherwise MSL headers bring in WIN32 dependant APIs
 250 #undef UNICODE
 251 #endif
 252
 253
 254 /*
 255    This macro can be used to test the Open Watcom version.
 256 */
 257 #ifndef __WATCOMC__
 258 #   define wxWATCOM_VERSION(major,minor) 0
 259 #   define wxCHECK_WATCOM_VERSION(major,minor) 0
 260 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
 261 #elif defined(__WATCOMC__) && __WATCOMC__ < 1200
 262 #   error "Only Open Watcom is supported in this release"
 263 #else
 264 #   define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
 265 #   define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
 266 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
 267 #endif
 268
 269 /*
 270    check the consistency of the settings in setup.h: note that this must be
 271    done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 272  */
 273 #include "wx/chkconf.h"
 274
 275
 276 /*
 277    some compilers don't support iostream.h any longer, while some of theme
 278    are not updated with <iostream> yet, so override the users setting here
 279    in such case.
 280  */
 281 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 282 #    undef wxUSE_IOSTREAMH
 283 #    define wxUSE_IOSTREAMH 0
 284 #elif defined(__DMC__) || defined(__WATCOMC__)
 285 #    undef wxUSE_IOSTREAMH
 286 #    define wxUSE_IOSTREAMH 1
 287 #elif defined(__MINGW32__)
 288 #    undef wxUSE_IOSTREAMH
 289 #    define wxUSE_IOSTREAMH 0
 290 #endif /* compilers with/without iostream.h */
 291
 292 /*
 293    old C++ headers (like <iostream.h>) declare classes in the global namespace
 294    while the new, standard ones (like <iostream>) do it in std:: namespace,
 295    unless it's an old gcc version.
 296
 297    using this macro allows constuctions like "wxSTD iostream" to work in
 298    either case
 299  */
 300 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 301 #    define wxSTD std::
 302 #else
 303 #    define wxSTD
 304 #endif
 305
 306 /*
 307    OS: first of all, test for MS-DOS platform. We must do this before testing
 308        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 309  */
 310 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 311 #    ifndef __DOS__
 312 #        define __DOS__
 313 #    endif
 314     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 315     /* so define it if it hadn't been done by configure yet */
 316 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 317 #        ifdef __WATCOMC__
 318 #            define wxSIZE_T_IS_UINT
 319 #        endif
 320 #        ifdef __DJGPP__
 321 #            define wxSIZE_T_IS_ULONG
 322 #        endif
 323 #    endif
 324
 325 /*
 326    OS: then test for generic Unix defines, then for particular flavours and
 327        finally for Unix-like systems
 328  */
 329 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 330       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 331       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 332       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 333
 334 #    define __UNIX_LIKE__
 335
 336     /* Helps SGI compilation, apparently */
 337 #    ifdef __SGI__
 338 #        ifdef __GNUG__
 339 #            define __need_wchar_t
 340 #        else /* !gcc */
 341             /*
 342                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 343                idea to mix gcc and cc/CC, the name mangling is different
 344              */
 345 #            define __SGI_CC__
 346 #        endif /* gcc/!gcc */
 347
 348         /* system headers use this symbol and not __cplusplus in some places */
 349 #       ifndef _LANGUAGE_C_PLUS_PLUS
 350 #           define _LANGUAGE_C_PLUS_PLUS
 351 #       endif
 352 #    endif  /* SGI */
 353
 354 #    if defined(sun) || defined(__SUN__)
 355 #        ifndef __GNUG__
 356 #            ifndef __SUNCC__
 357 #                define __SUNCC__
 358 #            endif /* Sun CC */
 359 #        endif
 360 #    endif /* Sun */
 361
 362 #    ifdef __EMX__
 363 #        define OS2EMX_PLAIN_CHAR
 364 #    endif
 365
 366     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 367 #    if defined(__hpux) && !defined(__HPUX__)
 368 #        define __HPUX__
 369 #    endif /* HP-UX */
 370
 371 #    if defined(__CYGWIN__) || defined(__WINE__)
 372 #        if !defined(wxSIZE_T_IS_UINT)
 373 #            define wxSIZE_T_IS_UINT
 374 #        endif
 375 #    endif
 376 #elif defined(applec) || \
 377       defined(THINK_C) || \
 378       (defined(__MWERKS__) && !defined(__INTEL__))
 379       /* MacOS */
 380 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 381 #        define wxSIZE_T_IS_ULONG
 382 #    endif
 383 #elif defined(__WXMAC__) && defined(__APPLE__)
 384     /* Mac OS X */
 385 #    define __UNIX_LIKE__
 386
 387     /*
 388       These defines are needed when compiling using Project Builder
 389       with a non generated setup0.h
 390     */
 391 #    ifndef __UNIX__
 392 #        define __UNIX__ 1
 393 #    endif
 394 #    ifndef __BSD__
 395 #        define __BSD__ 1
 396 #    endif
 397 #    ifndef __DARWIN__
 398 #        define __DARWIN__ 1
 399 #    endif
 400 #    ifndef __POWERPC__
 401 #        define __POWERPC__ 1
 402 #    endif
 403 #    ifndef TARGET_CARBON
 404 #        define TARGET_CARBON 1
 405 #    endif
 406
 407 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 408 #        define wxSIZE_T_IS_ULONG
 409 #    endif
 410     /*
 411        Some code has been added to workaround defects(?) in the
 412        bundled gcc compiler. These corrections are identified by
 413        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 414      */
 415 #elif defined(__OS2__)
 416
 417     /* wxOS2 vs. non wxOS2 ports on OS2 platform */
 418 #    if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 419 #        ifndef __WXPM__
 420 #            define __WXPM__
 421 #        endif
 422 #    endif
 423
 424 #    if defined(__IBMCPP__)
 425 #        define __VISAGEAVER__ __IBMCPP__
 426 #    endif
 427
 428     /* Place other OS/2 compiler environment defines here */
 429 #    if defined(__VISAGECPP__)
 430         /* VisualAge is the only thing that understands _Optlink */
 431 #        define LINKAGEMODE _Optlink
 432 #    endif
 433 #    define wxSIZE_T_IS_UINT
 434
 435 #elif defined(__PALMOS__)
 436 #    ifdef __WIN32__
 437 #        error "__WIN32__ should not be defined for PalmOS"
 438 #    endif
 439 #    ifdef __WINDOWS__
 440 #        error "__WINDOWS__ should not be defined for PalmOS"
 441 #    endif
 442 #    ifdef __WXMSW__
 443 #        error "__WXMSW__ should not be defined for PalmOS"
 444 #    endif
 445
 446 #else   /* Windows */
 447 #    ifndef __WINDOWS__
 448 #        define __WINDOWS__
 449 #    endif  /* Windows */
 450
 451     /* to be changed for Win64! */
 452 #    ifndef __WIN32__
 453 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 454 #    endif
 455
 456     /*
 457        define another standard symbol for Microsoft Visual C++: the standard
 458        one (_MSC_VER) is also defined by Metrowerks compiler
 459      */
 460 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 461 #        define __VISUALC__ _MSC_VER
 462 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 463 #        define __BORLANDC__
 464 #    elif defined(__WATCOMC__)
 465 #    elif defined(__SC__)
 466 #        define __SYMANTECC__
 467 #    endif  /* compiler */
 468
 469     /* size_t is the same as unsigned int for all Windows compilers we know, */
 470     /* so define it if it hadn't been done by configure yet */
 471 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 472 #        define wxSIZE_T_IS_UINT
 473 #    endif
 474 #endif  /* OS */
 475
 476 /*
 477    if we're on a Unix system but didn't use configure (so that setup.h didn't
 478    define __UNIX__), do define __UNIX__ now
 479  */
 480 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 481 #    define __UNIX__
 482 #endif /* Unix */
 483
 484 #if defined(__WXMOTIF__) || defined(__WXX11__)
 485 #    define __X__
 486 #endif
 487
 488 #ifdef __SC__
 489 #    ifdef __DMC__
 490 #         define __DIGITALMARS__
 491 #    else
 492 #         define __SYMANTEC__
 493 #    endif
 494 #endif
 495
 496 #ifdef __INTEL_COMPILER
 497 #   define __INTELC__
 498 #endif
 499
 500 /*
 501    We get "Large Files (ILP32) not supported in strict ANSI mode." #error
 502    from HP-UX standard headers when compiling with g++ without this:
 503  */
 504 #if defined(__HPUX__) && !defined(__STDC_EXT__)
 505 #   define __STDC_EXT__ 1
 506 #endif
 507
 508 /* Force linking against required libraries under Windows: */
 509 #ifdef __WXWINCE__
 510 #   include "wx/msw/wince/libraries.h"
 511 #elif defined __WINDOWS__
 512 #   include "wx/msw/libraries.h"
 513 #endif
 514
 515 /*
 516    This macro can be used to test the gcc version and can be used like this:
 517
 518 #    if wxCHECK_GCC_VERSION(3, 1)
 519         ... we have gcc 3.1 or later ...
 520 #    else
 521         ... no gcc at all or gcc < 3.1 ...
 522 #    endif
 523 */
 524 #define wxCHECK_GCC_VERSION( major, minor ) \
 525     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 526     && ( ( __GNUC__ > (major) ) \
 527         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 528
 529 /*
 530    This macro can be used to check that the version of mingw32 compiler is
 531    at least maj.min
 532  */
 533 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 534     ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
 535       wxCHECK_WATCOM_VERSION(1,0) ) && \
 536     !defined(__DOS__) && \
 537     !defined(__WXPM__) && \
 538     !defined(__WXMOTIF__) && \
 539     !defined(__WXGTK__) && \
 540     !defined(__WXX11__) && \
 541     !defined(__WXPALMOS__)
 542 #    include "wx/msw/gccpriv.h"
 543 #else
 544 #    undef wxCHECK_W32API_VERSION
 545 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 546 #endif
 547
 548 #if defined (__WXMSW__)
 549 #    if !defined(__WATCOMC__)
 550 #        define wxHAVE_RAW_BITMAP
 551 #    endif
 552 #endif
 553
 554 #if defined (__WXMAC__)
 555 #    if !defined(WORDS_BIGENDIAN) && ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
 556 #        define WORDS_BIGENDIAN 1
 557 #    endif
 558 #endif
 559
 560 /* Choose which method we will use for updating menus
 561  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 562  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 563  */
 564 #ifndef wxUSE_IDLEMENUUPDATES
 565 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 566 #        define wxUSE_IDLEMENUUPDATES 0
 567 #    else
 568 #        define wxUSE_IDLEMENUUPDATES 1
 569 #    endif
 570 #endif
 571
 572 /*
 573  * Define symbols that are not yet in
 574  * configure or possibly some setup.h files.
 575  * They will need to be added.
 576  */
 577
 578 #ifndef wxUSE_FILECONFIG
 579 #    if wxUSE_CONFIG
 580 #        define wxUSE_FILECONFIG 1
 581 #    else
 582 #        define wxUSE_FILECONFIG 0
 583 #    endif
 584 #endif
 585
 586 #ifndef wxUSE_HOTKEY
 587 #    define wxUSE_HOTKEY 0
 588 #endif
 589
 590 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 591 #    define wxUSE_WXDIB 1
 592 #endif
 593
 594 /*
 595     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 596     OSX 10.2 and lower
 597     FIXME:  We need a better way to detect for 10.3 then including a system header
 598 */
 599 #ifdef __DARWIN__
 600     #include <AvailabilityMacros.h>
 601 #endif
 602
 603 #endif /* _WX_PLATFORM_H_ */