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