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    check the consistency of the settings in setup.h: note that this must be
 256    done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 257  */
 258 #include "wx/chkconf.h"
 259
 260
 261 /*
 262    some compilers don't support iostream.h any longer, while some of theme
 263    are not updated with <iostream> yet, so override the users setting here
 264    in such case.
 265  */
 266 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 267 #    undef wxUSE_IOSTREAMH
 268 #    define wxUSE_IOSTREAMH 0
 269 #elif defined(__DMC__) || defined(__WATCOMC__)
 270 #    undef wxUSE_IOSTREAMH
 271 #    define wxUSE_IOSTREAMH 1
 272 #elif defined(__MINGW32__)
 273 #    undef wxUSE_IOSTREAMH
 274 #    define wxUSE_IOSTREAMH 0
 275 #endif /* compilers with/without iostream.h */
 276
 277 /*
 278    old C++ headers (like <iostream.h>) declare classes in the global namespace
 279    while the new, standard ones (like <iostream>) do it in std:: namespace,
 280    unless it's an old gcc version.
 281
 282    using this macro allows constuctions like "wxSTD iostream" to work in
 283    either case
 284  */
 285 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 286 #    define wxSTD std::
 287 #else
 288 #    define wxSTD
 289 #endif
 290
 291 /*
 292    OS: first of all, test for MS-DOS platform. We must do this before testing
 293        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 294  */
 295 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 296 #    ifndef __DOS__
 297 #        define __DOS__
 298 #    endif
 299     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 300     /* so define it if it hadn't been done by configure yet */
 301 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 302 #        ifdef __WATCOMC__
 303 #            define wxSIZE_T_IS_UINT
 304 #        endif
 305 #        ifdef __DJGPP__
 306 #            define wxSIZE_T_IS_ULONG
 307 #        endif
 308 #    endif
 309
 310 /*
 311    OS: then test for generic Unix defines, then for particular flavours and
 312        finally for Unix-like systems
 313  */
 314 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 315       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 316       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 317       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 318
 319 #    define __UNIX_LIKE__
 320
 321     /* Helps SGI compilation, apparently */
 322 #    ifdef __SGI__
 323 #        ifdef __GNUG__
 324 #            define __need_wchar_t
 325 #        else /* !gcc */
 326             /*
 327                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 328                idea to mix gcc and cc/CC, the name mangling is different
 329              */
 330 #            define __SGI_CC__
 331 #        endif /* gcc/!gcc */
 332 #    endif  /* SGI */
 333
 334 #    if defined(sun) || defined(__SUN__)
 335 #        ifndef __GNUG__
 336 #            ifndef __SUNCC__
 337 #                define __SUNCC__
 338 #            endif /* Sun CC */
 339 #        endif
 340 #    endif /* Sun */
 341
 342 #    ifdef __EMX__
 343 #        define OS2EMX_PLAIN_CHAR
 344 #    endif
 345
 346     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 347 #    if defined(__hpux) && !defined(__HPUX__)
 348 #        define __HPUX__
 349 #    endif /* HP-UX */
 350
 351 #    if defined(__CYGWIN__) || defined(__WINE__)
 352 #        if !defined(wxSIZE_T_IS_UINT)
 353 #            define wxSIZE_T_IS_UINT
 354 #        endif
 355 #    endif
 356 #elif defined(applec) || \
 357       defined(THINK_C) || \
 358       (defined(__MWERKS__) && !defined(__INTEL__))
 359       /* MacOS */
 360 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 361 #        define wxSIZE_T_IS_ULONG
 362 #    endif
 363 #elif defined(__WXMAC__) && defined(__APPLE__)
 364     /* Mac OS X */
 365 #    define __UNIX_LIKE__
 366
 367     /*
 368       These defines are needed when compiling using Project Builder
 369       with a non generated setup0.h
 370     */
 371 #    ifndef __UNIX__
 372 #        define __UNIX__ 1
 373 #    endif
 374 #    ifndef __BSD__
 375 #        define __BSD__ 1
 376 #    endif
 377 #    ifndef __DARWIN__
 378 #        define __DARWIN__ 1
 379 #    endif
 380 #    ifndef __POWERPC__
 381 #        define __POWERPC__ 1
 382 #    endif
 383 #    ifndef TARGET_CARBON
 384 #        define TARGET_CARBON 1
 385 #    endif
 386
 387 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 388 #        define wxSIZE_T_IS_ULONG
 389 #    endif
 390     /*
 391        Some code has been added to workaround defects(?) in the
 392        bundled gcc compiler. These corrections are identified by
 393        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 394      */
 395 #elif defined(__OS2__)
 396 #    if defined(__IBMCPP__)
 397 #        define __VISAGEAVER__ __IBMCPP__
 398 #    endif
 399 #    ifndef __WXOS2__
 400 #        define __WXOS2__
 401 #    endif
 402 #    ifndef __WXPM__
 403 #        define __WXPM__
 404 #    endif
 405
 406     /* Place other OS/2 compiler environment defines here */
 407 #    if defined(__VISAGECPP__)
 408         /* VisualAge is the only thing that understands _Optlink */
 409 #        define LINKAGEMODE _Optlink
 410 #    endif
 411 #    define wxSIZE_T_IS_UINT
 412
 413 #elif defined(__PALMOS__)
 414 #    ifdef __WIN32__
 415 #        error "__WIN32__ should not be defined for PalmOS"
 416 #    endif
 417 #    ifdef __WINDOWS__
 418 #        error "__WINDOWS__ should not be defined for PalmOS"
 419 #    endif
 420 #    ifdef __WXMSW__
 421 #        error "__WXMSW__ should not be defined for PalmOS"
 422 #    endif
 423
 424 #else   /* Windows */
 425 #    ifndef __WINDOWS__
 426 #        define __WINDOWS__
 427 #    endif  /* Windows */
 428
 429     /* to be changed for Win64! */
 430 #    ifndef __WIN32__
 431 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 432 #    endif
 433
 434     /*
 435        define another standard symbol for Microsoft Visual C++: the standard
 436        one (_MSC_VER) is also defined by Metrowerks compiler
 437      */
 438 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 439 #        define __VISUALC__ _MSC_VER
 440 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 441 #        define __BORLANDC__
 442 #      elif defined(__WATCOMC__)
 443 #    elif defined(__SC__)
 444 #        define __SYMANTECC__
 445 #    endif  /* compiler */
 446
 447     /* size_t is the same as unsigned int for all Windows compilers we know, */
 448     /* so define it if it hadn't been done by configure yet */
 449 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 450 #        define wxSIZE_T_IS_UINT
 451 #    endif
 452 #endif  /* OS */
 453
 454 /*
 455    if we're on a Unix system but didn't use configure (so that setup.h didn't
 456    define __UNIX__), do define __UNIX__ now
 457  */
 458 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 459 #    define __UNIX__
 460 #endif /* Unix */
 461
 462 #if defined(__WXMOTIF__) || defined(__WXX11__)
 463 #    define __X__
 464 #endif
 465
 466 #ifdef __SC__
 467 #    ifdef __DMC__
 468 #         define __DIGITALMARS__
 469 #    else
 470 #         define __SYMANTEC__
 471 #    endif
 472 #endif
 473
 474 /* Force linking against required libraries under Windows CE: */
 475 #ifdef __WXWINCE__
 476 #   include "wx/msw/wince/libraries.h"
 477 #endif
 478
 479 /*
 480    This macro can be used to test the gcc version and can be used like this:
 481
 482 #    if wxCHECK_GCC_VERSION(3, 1)
 483         ... we have gcc 3.1 or later ...
 484 #    else
 485         ... no gcc at all or gcc < 3.1 ...
 486 #    endif
 487 */
 488 #define wxCHECK_GCC_VERSION( major, minor ) \
 489     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 490     && ( ( __GNUC__ > (major) ) \
 491         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 492
 493 /*
 494    This macro can be used to check that the version of mingw32 compiler is
 495    at least maj.min
 496  */
 497 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 498     ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
 499       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 500     !defined(__DOS__) && \
 501     !defined(__WXOS2__) && \
 502     !defined(__WXMOTIF__) && \
 503     !defined(__WXGTK__) && \
 504     !defined(__WXX11__) && \
 505     !defined(__WXPALMOS__)
 506 #    include "wx/msw/gccpriv.h"
 507 #else
 508 #    undef wxCHECK_W32API_VERSION
 509 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 510 #endif
 511
 512 #if defined (__WXMSW__)
 513 #    if !defined(__WATCOMC__)
 514 #        define wxHAVE_RAW_BITMAP
 515 #    endif
 516 #endif
 517
 518 #if defined (__WXMAC__)
 519 #    if !defined(WORDS_BIGENDIAN) && ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
 520 #        define WORDS_BIGENDIAN 1
 521 #    endif
 522 #endif
 523
 524 /* Choose which method we will use for updating menus
 525  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 526  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 527  */
 528 #ifndef wxUSE_IDLEMENUUPDATES
 529 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 530 #        define wxUSE_IDLEMENUUPDATES 0
 531 #    else
 532 #        define wxUSE_IDLEMENUUPDATES 1
 533 #    endif
 534 #endif
 535
 536 /*
 537  * Define symbols that are not yet in
 538  * configure or possibly some setup.h files.
 539  * They will need to be added.
 540  */
 541
 542 #ifndef wxUSE_FILECONFIG
 543 #    if wxUSE_CONFIG
 544 #        define wxUSE_FILECONFIG 1
 545 #    else
 546 #        define wxUSE_FILECONFIG 0
 547 #    endif
 548 #endif
 549
 550 #ifndef wxUSE_HOTKEY
 551 #    define wxUSE_HOTKEY 0
 552 #endif
 553
 554 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 555 #    define wxUSE_WXDIB 1
 556 #endif
 557
 558 /*
 559     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 560     OSX 10.2 and lower
 561     FIXME:  We need a better way to detect for 10.3 then including a system header
 562 */
 563 #ifdef __DARWIN__
 564     #include <AvailabilityMacros.h>
 565 #endif
 566
 567 #endif /* _WX_PLATFORM_H_ */