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 wxWidgets team
   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 #if __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(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  61     && !defined(__WXX11__)
  62     /* for Cygwin, default to wxMSW unless otherwise specified */
  63 #    ifndef __WXMSW__
  64 #        define __WXMSW__
  65 #    endif
  66
  67 #    ifndef _WIN32
  68 #        define _WIN32
  69 #    endif
  70
  71 #    ifndef WIN32
  72 #        define WIN32
  73 #    endif
  74 #endif
  75
  76 #if defined(__PALMOS__)
  77 #   ifndef __WXPALMOS__
  78 #       define __WXPALMOS__
  79 #   endif
  80 #   ifdef __WXMSW__
  81 #       undef __WXMSW__
  82 #   endif
  83 #   ifdef __WINDOWS__
  84 #       undef __WINDOWS__
  85 #   endif
  86 #   ifdef __WIN32__
  87 #       undef __WIN32__
  88 #   endif
  89 #   ifdef WIN32
  90 #       undef WIN32
  91 #   endif
  92 #   ifdef _WIN32
  93 #       undef _WIN32
  94 #   endif
  95 #endif
  96
  97 #if defined(_WIN64)
  98 #    ifndef _WIN32
  99         /*
 100             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
 101             Windows or to test for !__WIN16__, so we must define _WIN32 for
 102             Win64 as well to ensure that the existing code continues to work.
 103          */
 104 #       define _WIN32
 105 #   endif /* !_WIN32 */
 106
 107 #   ifndef __WIN64__
 108 #       define __WIN64__
 109 #   endif /* !__WIN64__ */
 110 #endif /* _WIN64 */
 111
 112 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
 113     && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 114 #    ifndef __WXMSW__
 115 #        define __WXMSW__
 116 #    endif
 117
 118 #    ifndef __WIN32__
 119 #        define __WIN32__
 120 #    endif
 121
 122     /*
 123         The library user may override the default setting of WINVER by defining
 124         it in his own makefile or project file -- if it is defined, we don't
 125         touch it at all.
 126
 127         It makes sense to define WINVER as:
 128             - either some lowish value (e.g. 0x0302) to not even compile in the
 129               features not available in Windows version lower than some given
 130               one
 131             - or to a higher value than the one used by default for the given
 132               compiler if you updated its headers to newer version of Platform
 133               SDK, e.g. VC6 ships with 0x0400 headers by default but may also
 134               work with 0x0500 headers and beyond
 135     */
 136 #   ifndef WINVER
 137 #       if defined(_MSC_VER) && _MSC_VER < 1300
 138             /*
 139                 VC6 defines some stuff in its default headers which is normally
 140                 only present if WINVER >= 0x0500 (FLASHW_XXX constants) which
 141                 means that our usual tests not involving WINVER sometimes fail
 142                 with it, hence explicitly define a lower WINVER value for it.
 143              */
 144 #           define WINVER 0x0400
 145 #       elif defined(__DMC__)
 146             /*
 147                 Digital Mars is distributed with a little outdated headers.
 148              */
 149 #           define WINVER 0x0400
 150 #       else /* !VC++ 6 */
 151             /*
 152                see MSDN for the description of possible WINVER values, this one
 153                is the highest one defined right now (Windows Server 2003) and
 154                we use it unless it was explicitly overridden by the user to
 155                disable recent features support as we check for all of the
 156                features we use which could be not available on earlier Windows
 157                systems during run-time anyhow, so there is almost no
 158                disadvantage in using it.
 159              */
 160 #           define WINVER 0x0502
 161 #       endif /* VC++ 6/!VC++6 */
 162 #   endif
 163
 164     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
 165 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
 166 #        define __WIN95__
 167 #    endif
 168 #endif /* Win32 */
 169
 170 #if defined(__WXMSW__) || defined(__WIN32__)
 171 #   if !defined(__WINDOWS__)
 172 #       define __WINDOWS__
 173 #   endif
 174 #endif
 175
 176 #ifdef __WINE__
 177 #   ifndef __WIN95__
 178 #       define __WIN95__
 179 #   endif
 180 #endif /* WINE */
 181
 182 /* detect MS SmartPhone */
 183 #if defined( WIN32_PLATFORM_WFSP )
 184 #   ifndef __SMARTPHONE__
 185 #       define __SMARTPHONE__
 186 #   endif
 187 #   ifndef __WXWINCE__
 188 #       define __WXWINCE__
 189 #   endif
 190 #endif
 191
 192 /* detect PocketPC */
 193 #if defined( WIN32_PLATFORM_PSPC )
 194 #   ifndef __POCKETPC__
 195 #       define __POCKETPC__
 196 #   endif
 197 #   ifndef __WXWINCE__
 198 #       define __WXWINCE__
 199 #   endif
 200 #endif
 201
 202 /* detect Standard WinCE SDK */
 203 #if defined( WCE_PLATFORM_STANDARDSDK )
 204 #   ifndef __WINCE_STANDARDSDK__
 205 #       define __WINCE_STANDARDSDK__
 206 #   endif
 207 #   ifndef __WXWINCE__
 208 #       define __WXWINCE__
 209 #   endif
 210 #endif
 211
 212 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 213 #   if (_WIN32_WCE >= 400)
 214 #       ifndef __WINCE_NET__
 215 #           define __WINCE_NET__
 216 #       endif
 217 #   elif (_WIN32_WCE >= 200)
 218 #       ifndef __HANDHELDPC__
 219 #           define __HANDHELDPC__
 220 #       endif
 221 #   endif
 222 #   ifndef __WXWINCE__
 223 #       define __WXWINCE__
 224 #   endif
 225 #endif
 226
 227 /*
 228    Hardware platform detection.
 229
 230    VC++ defines _M_xxx symbols.
 231  */
 232 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
 233     #ifndef __INTEL__
 234         #define __INTEL__
 235     #endif
 236 #endif /* x86 */
 237
 238 #if defined(_M_IA64)
 239     #ifndef __IA64__
 240         #define __IA64__
 241     #endif
 242 #endif /* ia64 */
 243
 244 #if defined(_M_MPPC) || defined(__PPC__)
 245     #ifndef __POWERPC__
 246         #define __POWERPC__
 247     #endif
 248 #endif /* alpha */
 249
 250 #if defined(_M_ALPHA) || defined(__AXP__)
 251     #ifndef __ALPHA__
 252         #define __ALPHA__
 253     #endif
 254 #endif /* alpha */
 255
 256 /*
 257    Include wx/setup.h for the Unix platform defines generated by configure and
 258    the library compilation options
 259  */
 260 #include "wx/setup.h"
 261
 262 /* check the consistency of the settings in setup.h */
 263 #include "wx/chkconf.h"
 264
 265 /*
 266    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 267    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 268    the system headers so bring these settings in sync
 269  */
 270
 271 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 272 #if defined(_UNICODE) || defined(UNICODE)
 273 #   undef wxUSE_UNICODE
 274 #   define wxUSE_UNICODE 1
 275 #else /* !UNICODE */
 276 #   ifndef wxUSE_UNICODE
 277 #       define wxUSE_UNICODE 0
 278 #   endif
 279 #endif /* UNICODE/!UNICODE */
 280
 281 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 282 #if wxUSE_UNICODE
 283 #   ifndef _UNICODE
 284 #       define _UNICODE
 285 #   endif
 286 #   ifndef UNICODE
 287 #       define UNICODE
 288 #   endif
 289 #endif /* wxUSE_UNICODE */
 290
 291 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 292 // otherwise MSL headers bring in WIN32 dependant APIs
 293 #undef UNICODE
 294 #endif
 295 /*
 296    some compilers don't support iostream.h any longer, while some of theme
 297    are not updated with <iostream> yet, so override the users setting here
 298    in such case.
 299  */
 300 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 301 #    undef wxUSE_IOSTREAMH
 302 #    define wxUSE_IOSTREAMH 0
 303 #elif defined(__DMC__) || defined(__WATCOMC__)
 304 #    undef wxUSE_IOSTREAMH
 305 #    define wxUSE_IOSTREAMH 1
 306 #elif defined(__MINGW32__)
 307 #    undef wxUSE_IOSTREAMH
 308 #    define wxUSE_IOSTREAMH 0
 309 #endif /* compilers with/without iostream.h */
 310
 311 /*
 312    old C++ headers (like <iostream.h>) declare classes in the global namespace
 313    while the new, standard ones (like <iostream>) do it in std:: namespace,
 314    unless it's an old gcc version.
 315
 316    using this macro allows constuctions like "wxSTD iostream" to work in
 317    either case
 318  */
 319 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 320 #    define wxSTD std::
 321 #else
 322 #    define wxSTD
 323 #endif
 324
 325 /*
 326    OS: first of all, test for MS-DOS platform. We must do this before testing
 327        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 328  */
 329 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 330 #    ifndef __DOS__
 331 #        define __DOS__
 332 #    endif
 333     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 334     /* so define it if it hadn't been done by configure yet */
 335 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 336 #        ifdef __WATCOMC__
 337 #            define wxSIZE_T_IS_UINT
 338 #        endif
 339 #        ifdef __DJGPP__
 340 #            define wxSIZE_T_IS_ULONG
 341 #        endif
 342 #    endif
 343
 344 /*
 345    OS: then test for generic Unix defines, then for particular flavours and
 346        finally for Unix-like systems
 347  */
 348 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 349       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 350       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 351       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 352
 353 #    define __UNIX_LIKE__
 354
 355     /* Helps SGI compilation, apparently */
 356 #    ifdef __SGI__
 357 #        ifdef __GNUG__
 358 #            define __need_wchar_t
 359 #        else /* !gcc */
 360             /*
 361                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 362                idea to mix gcc and cc/CC, the name mangling is different
 363              */
 364 #            define __SGI_CC__
 365 #        endif /* gcc/!gcc */
 366 #    endif  /* SGI */
 367
 368 #    if defined(sun) || defined(__SUN__)
 369 #        ifndef __GNUG__
 370 #            ifndef __SUNCC__
 371 #                define __SUNCC__
 372 #            endif /* Sun CC */
 373 #        endif
 374 #    endif /* Sun */
 375
 376 #    ifdef __EMX__
 377 #        define OS2EMX_PLAIN_CHAR
 378 #    endif
 379
 380     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 381 #    if defined(__hpux) && !defined(__HPUX__)
 382 #        define __HPUX__
 383 #    endif /* HP-UX */
 384
 385 #    if defined(__CYGWIN__) || defined(__WINE__)
 386 #        if !defined(wxSIZE_T_IS_UINT)
 387 #            define wxSIZE_T_IS_UINT
 388 #        endif
 389 #    endif
 390 #elif defined(applec) || \
 391       defined(THINK_C) || \
 392       (defined(__MWERKS__) && !defined(__INTEL__))
 393       /* MacOS */
 394 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 395 #        define wxSIZE_T_IS_ULONG
 396 #    endif
 397 #elif defined(__WXMAC__) && defined(__APPLE__)
 398     /* Mac OS X */
 399 #    define __UNIX_LIKE__
 400
 401     /*
 402       These defines are needed when compiling using Project Builder
 403       with a non generated setup0.h
 404     */
 405 #    ifndef __UNIX__
 406 #        define __UNIX__ 1
 407 #    endif
 408 #    ifndef __BSD__
 409 #        define __BSD__ 1
 410 #    endif
 411 #    ifndef __DARWIN__
 412 #        define __DARWIN__ 1
 413 #    endif
 414 #    ifndef __POWERPC__
 415 #        define __POWERPC__ 1
 416 #    endif
 417 #    ifndef TARGET_CARBON
 418 #        define TARGET_CARBON 1
 419 #    endif
 420
 421 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 422 #        define wxSIZE_T_IS_ULONG
 423 #    endif
 424     /*
 425        Some code has been added to workaround defects(?) in the
 426        bundled gcc compiler. These corrections are identified by
 427        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 428      */
 429 #elif defined(__OS2__)
 430 #    if defined(__IBMCPP__)
 431 #        define __VISAGEAVER__ __IBMCPP__
 432 #    endif
 433 #    ifndef __WXOS2__
 434 #        define __WXOS2__
 435 #    endif
 436 #    ifndef __WXPM__
 437 #        define __WXPM__
 438 #    endif
 439
 440     /* Place other OS/2 compiler environment defines here */
 441 #    if defined(__VISAGECPP__)
 442         /* VisualAge is the only thing that understands _Optlink */
 443 #        define LINKAGEMODE _Optlink
 444 #    endif
 445 #    define wxSIZE_T_IS_UINT
 446
 447 #elif defined(__PALMOS__)
 448 #    ifdef __WIN32__
 449 #        error "__WIN32__ should not be defined for PalmOS"
 450 #    endif
 451 #    ifdef __WINDOWS__
 452 #        error "__WINDOWS__ should not be defined for PalmOS"
 453 #    endif
 454 #    ifdef __WXMSW__
 455 #        error "__WXMSW__ should not be defined for PalmOS"
 456 #    endif
 457
 458 #else   /* Windows */
 459 #    ifndef __WINDOWS__
 460 #        define __WINDOWS__
 461 #    endif  /* Windows */
 462
 463     /* to be changed for Win64! */
 464 #    ifndef __WIN32__
 465 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 466 #    endif
 467
 468     /*
 469        define another standard symbol for Microsoft Visual C++: the standard
 470        one (_MSC_VER) is also defined by Metrowerks compiler
 471      */
 472 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 473 #        define __VISUALC__ _MSC_VER
 474 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 475 #        define __BORLANDC__
 476 #      elif defined(__WATCOMC__)
 477 #    elif defined(__SC__)
 478 #        define __SYMANTECC__
 479 #    endif  /* compiler */
 480
 481     /* size_t is the same as unsigned int for all Windows compilers we know, */
 482     /* so define it if it hadn't been done by configure yet */
 483 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 484 #        define wxSIZE_T_IS_UINT
 485 #    endif
 486 #endif  /* OS */
 487
 488 /*
 489    if we're on a Unix system but didn't use configure (so that setup.h didn't
 490    define __UNIX__), do define __UNIX__ now
 491  */
 492 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 493 #    define __UNIX__
 494 #endif /* Unix */
 495
 496 #if defined(__WXMOTIF__) || defined(__WXX11__)
 497 #    define __X__
 498 #endif
 499
 500 #ifdef __SC__
 501 #    ifdef __DMC__
 502 #         define __DIGITALMARS__
 503 #    else
 504 #         define __SYMANTEC__
 505 #    endif
 506 #endif
 507
 508 /* Force linking against required libraries under Windows CE: */
 509 #ifdef __WXWINCE__
 510 #   include "wx/msw/wince/libraries.h"
 511 #endif
 512
 513 /* Force inclusion of main PalmOS header: */
 514 #ifdef __WXPALMOS__
 515 #   include <PalmOS.h>
 516 #   undef Abs
 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 #define wxCHECK_GCC_VERSION( major, minor ) \
 529     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 530     && ( ( __GNUC__ > (major) ) \
 531         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 532
 533 /*
 534    This macro can be used to check that the version of mingw32 compiler is
 535    at least maj.min
 536  */
 537 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 538     defined( __CYGWIN__ ) || \
 539       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 540     !defined(__DOS__) && \
 541     !defined(__WXMOTIF__) && \
 542     !defined(__WXGTK__) && \
 543     !defined(__WXX11__) && \
 544     !defined(__WXPALMOS__)
 545 #    include "wx/msw/gccpriv.h"
 546 #else
 547 #    undef wxCHECK_W32API_VERSION
 548 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 549 #endif
 550
 551 #if defined (__WXMSW__)
 552 #    if !defined(__WATCOMC__)
 553 #        define wxHAVE_RAW_BITMAP
 554 #    endif
 555 #endif
 556
 557 #if defined (__WXMAC__)
 558 #    ifndef WORDS_BIGENDIAN
 559 #        define WORDS_BIGENDIAN 1
 560 #    endif
 561 #endif
 562
 563 /* Choose which method we will use for updating menus
 564  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 565  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 566  */
 567 #ifndef wxUSE_IDLEMENUUPDATES
 568 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 569 #        define wxUSE_IDLEMENUUPDATES 0
 570 #    else
 571 #        define wxUSE_IDLEMENUUPDATES 1
 572 #    endif
 573 #endif
 574
 575 /*
 576  * Define symbols that are not yet in
 577  * configure or possibly some setup.h files.
 578  * They will need to be added.
 579  */
 580
 581 #ifndef wxUSE_FILECONFIG
 582 #    if wxUSE_CONFIG
 583 #        define wxUSE_FILECONFIG 1
 584 #    else
 585 #        define wxUSE_FILECONFIG 0
 586 #    endif
 587 #endif
 588
 589 #ifndef wxUSE_HOTKEY
 590 #    define wxUSE_HOTKEY 0
 591 #endif
 592
 593 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 594 #    define wxUSE_WXDIB 1
 595 #endif
 596
 597 /*
 598     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 599     OSX 10.2 and lower
 600     FIXME:  We need a better way to detect for 10.3 then including a system header
 601 */
 602 #ifdef __DARWIN__
 603     #include <AvailabilityMacros.h>
 604 #endif
 605
 606 #endif /* _WX_PLATFORM_H_ */
 607