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 #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(__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    Hardware platform detection.
 185
 186    VC++ defines _M_xxx symbols.
 187  */
 188 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
 189     #ifndef __INTEL__
 190         #define __INTEL__
 191     #endif
 192 #endif /* x86 */
 193
 194 #if defined(_M_IA64)
 195     #ifndef __IA64__
 196         #define __IA64__
 197     #endif
 198 #endif /* ia64 */
 199
 200 #if defined(_M_MPPC) || defined(__PPC__)
 201     #ifndef __POWERPC__
 202         #define __POWERPC__
 203     #endif
 204 #endif /* alpha */
 205
 206 #if defined(_M_ALPHA) || defined(__AXP__)
 207     #ifndef __ALPHA__
 208         #define __ALPHA__
 209     #endif
 210 #endif /* alpha */
 211
 212 /*
 213    Include wx/setup.h for the Unix platform defines generated by configure and
 214    the library compilation options
 215  */
 216 #include "wx/setup.h"
 217
 218 /*
 219    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 220    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 221    the system headers so bring these settings in sync
 222  */
 223
 224 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 225 #if defined(_UNICODE) || defined(UNICODE)
 226 #   undef wxUSE_UNICODE
 227 #   define wxUSE_UNICODE 1
 228 #else /* !UNICODE */
 229 #   ifndef wxUSE_UNICODE
 230 #       define wxUSE_UNICODE 0
 231 #   endif
 232 #endif /* UNICODE/!UNICODE */
 233
 234 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 235 #if wxUSE_UNICODE
 236 #   ifndef _UNICODE
 237 #       define _UNICODE
 238 #   endif
 239 #   ifndef UNICODE
 240 #       define UNICODE
 241 #   endif
 242 #endif /* wxUSE_UNICODE */
 243
 244 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 245 // otherwise MSL headers bring in WIN32 dependant APIs
 246 #undef UNICODE
 247 #endif
 248
 249
 250 /*
 251    check the consistency of the settings in setup.h: note that this must be
 252    done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 253  */
 254 #include "wx/chkconf.h"
 255
 256
 257 /*
 258    some compilers don't support iostream.h any longer, while some of theme
 259    are not updated with <iostream> yet, so override the users setting here
 260    in such case.
 261  */
 262 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 263 #    undef wxUSE_IOSTREAMH
 264 #    define wxUSE_IOSTREAMH 0
 265 #elif defined(__DMC__) || defined(__WATCOMC__)
 266 #    undef wxUSE_IOSTREAMH
 267 #    define wxUSE_IOSTREAMH 1
 268 #elif defined(__MINGW32__)
 269 #    undef wxUSE_IOSTREAMH
 270 #    define wxUSE_IOSTREAMH 0
 271 #endif /* compilers with/without iostream.h */
 272
 273 /*
 274    old C++ headers (like <iostream.h>) declare classes in the global namespace
 275    while the new, standard ones (like <iostream>) do it in std:: namespace,
 276    unless it's an old gcc version.
 277
 278    using this macro allows constuctions like "wxSTD iostream" to work in
 279    either case
 280  */
 281 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 282 #    define wxSTD std::
 283 #else
 284 #    define wxSTD
 285 #endif
 286
 287 /*
 288    OS: first of all, test for MS-DOS platform. We must do this before testing
 289        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 290  */
 291 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 292 #    ifndef __DOS__
 293 #        define __DOS__
 294 #    endif
 295     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 296     /* so define it if it hadn't been done by configure yet */
 297 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 298 #        ifdef __WATCOMC__
 299 #            define wxSIZE_T_IS_UINT
 300 #        endif
 301 #        ifdef __DJGPP__
 302 #            define wxSIZE_T_IS_ULONG
 303 #        endif
 304 #    endif
 305
 306 /*
 307    OS: then test for generic Unix defines, then for particular flavours and
 308        finally for Unix-like systems
 309  */
 310 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 311       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 312       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 313       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 314
 315 #    define __UNIX_LIKE__
 316
 317     /* Helps SGI compilation, apparently */
 318 #    ifdef __SGI__
 319 #        ifdef __GNUG__
 320 #            define __need_wchar_t
 321 #        else /* !gcc */
 322             /*
 323                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 324                idea to mix gcc and cc/CC, the name mangling is different
 325              */
 326 #            define __SGI_CC__
 327 #        endif /* gcc/!gcc */
 328 #    endif  /* SGI */
 329
 330 #    if defined(sun) || defined(__SUN__)
 331 #        ifndef __GNUG__
 332 #            ifndef __SUNCC__
 333 #                define __SUNCC__
 334 #            endif /* Sun CC */
 335 #        endif
 336 #    endif /* Sun */
 337
 338 #    ifdef __EMX__
 339 #        define OS2EMX_PLAIN_CHAR
 340 #    endif
 341
 342     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 343 #    if defined(__hpux) && !defined(__HPUX__)
 344 #        define __HPUX__
 345 #    endif /* HP-UX */
 346
 347 #    if defined(__CYGWIN__) || defined(__WINE__)
 348 #        if !defined(wxSIZE_T_IS_UINT)
 349 #            define wxSIZE_T_IS_UINT
 350 #        endif
 351 #    endif
 352 #elif defined(applec) || \
 353       defined(THINK_C) || \
 354       (defined(__MWERKS__) && !defined(__INTEL__))
 355       /* MacOS */
 356 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 357 #        define wxSIZE_T_IS_ULONG
 358 #    endif
 359 #elif defined(__WXMAC__) && defined(__APPLE__)
 360     /* Mac OS X */
 361 #    define __UNIX_LIKE__
 362
 363     /*
 364       These defines are needed when compiling using Project Builder
 365       with a non generated setup0.h
 366     */
 367 #    ifndef __UNIX__
 368 #        define __UNIX__ 1
 369 #    endif
 370 #    ifndef __BSD__
 371 #        define __BSD__ 1
 372 #    endif
 373 #    ifndef __DARWIN__
 374 #        define __DARWIN__ 1
 375 #    endif
 376 #    ifndef __POWERPC__
 377 #        define __POWERPC__ 1
 378 #    endif
 379 #    ifndef TARGET_CARBON
 380 #        define TARGET_CARBON 1
 381 #    endif
 382
 383 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 384 #        define wxSIZE_T_IS_ULONG
 385 #    endif
 386     /*
 387        Some code has been added to workaround defects(?) in the
 388        bundled gcc compiler. These corrections are identified by
 389        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 390      */
 391 #elif defined(__OS2__)
 392 #    if defined(__IBMCPP__)
 393 #        define __VISAGEAVER__ __IBMCPP__
 394 #    endif
 395 #    ifndef __WXOS2__
 396 #        define __WXOS2__
 397 #    endif
 398 #    ifndef __WXPM__
 399 #        define __WXPM__
 400 #    endif
 401
 402     /* Place other OS/2 compiler environment defines here */
 403 #    if defined(__VISAGECPP__)
 404         /* VisualAge is the only thing that understands _Optlink */
 405 #        define LINKAGEMODE _Optlink
 406 #    endif
 407 #    define wxSIZE_T_IS_UINT
 408
 409 #elif defined(__PALMOS__)
 410 #    ifdef __WIN32__
 411 #        error "__WIN32__ should not be defined for PalmOS"
 412 #    endif
 413 #    ifdef __WINDOWS__
 414 #        error "__WINDOWS__ should not be defined for PalmOS"
 415 #    endif
 416 #    ifdef __WXMSW__
 417 #        error "__WXMSW__ should not be defined for PalmOS"
 418 #    endif
 419
 420 #else   /* Windows */
 421 #    ifndef __WINDOWS__
 422 #        define __WINDOWS__
 423 #    endif  /* Windows */
 424
 425     /* to be changed for Win64! */
 426 #    ifndef __WIN32__
 427 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 428 #    endif
 429
 430     /*
 431        define another standard symbol for Microsoft Visual C++: the standard
 432        one (_MSC_VER) is also defined by Metrowerks compiler
 433      */
 434 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 435 #        define __VISUALC__ _MSC_VER
 436 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 437 #        define __BORLANDC__
 438 #      elif defined(__WATCOMC__)
 439 #    elif defined(__SC__)
 440 #        define __SYMANTECC__
 441 #    endif  /* compiler */
 442
 443     /* size_t is the same as unsigned int for all Windows compilers we know, */
 444     /* so define it if it hadn't been done by configure yet */
 445 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 446 #        define wxSIZE_T_IS_UINT
 447 #    endif
 448 #endif  /* OS */
 449
 450 /*
 451    if we're on a Unix system but didn't use configure (so that setup.h didn't
 452    define __UNIX__), do define __UNIX__ now
 453  */
 454 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 455 #    define __UNIX__
 456 #endif /* Unix */
 457
 458 #if defined(__WXMOTIF__) || defined(__WXX11__)
 459 #    define __X__
 460 #endif
 461
 462 #ifdef __SC__
 463 #    ifdef __DMC__
 464 #         define __DIGITALMARS__
 465 #    else
 466 #         define __SYMANTEC__
 467 #    endif
 468 #endif
 469
 470 /* Force linking against required libraries under Windows CE: */
 471 #ifdef __WXWINCE__
 472 #   include "wx/msw/wince/libraries.h"
 473 #endif
 474
 475 /*
 476    This macro can be used to test the gcc version and can be used like this:
 477
 478 #    if wxCHECK_GCC_VERSION(3, 1)
 479         ... we have gcc 3.1 or later ...
 480 #    else
 481         ... no gcc at all or gcc < 3.1 ...
 482 #    endif
 483 */
 484 #define wxCHECK_GCC_VERSION( major, minor ) \
 485     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 486     && ( ( __GNUC__ > (major) ) \
 487         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 488
 489 /*
 490    This macro can be used to check that the version of mingw32 compiler is
 491    at least maj.min
 492  */
 493 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 494     ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
 495       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 496     !defined(__DOS__) && \
 497     !defined(__WXOS2__) && \
 498     !defined(__WXMOTIF__) && \
 499     !defined(__WXGTK__) && \
 500     !defined(__WXX11__) && \
 501     !defined(__WXPALMOS__)
 502 #    include "wx/msw/gccpriv.h"
 503 #else
 504 #    undef wxCHECK_W32API_VERSION
 505 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 506 #endif
 507
 508 #if defined (__WXMSW__)
 509 #    if !defined(__WATCOMC__)
 510 #        define wxHAVE_RAW_BITMAP
 511 #    endif
 512 #endif
 513
 514 #if defined (__WXMAC__)
 515 #    if !defined(WORDS_BIGENDIAN) && ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
 516 #        define WORDS_BIGENDIAN 1
 517 #    endif
 518 #endif
 519
 520 /* Choose which method we will use for updating menus
 521  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 522  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 523  */
 524 #ifndef wxUSE_IDLEMENUUPDATES
 525 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 526 #        define wxUSE_IDLEMENUUPDATES 0
 527 #    else
 528 #        define wxUSE_IDLEMENUUPDATES 1
 529 #    endif
 530 #endif
 531
 532 /*
 533  * Define symbols that are not yet in
 534  * configure or possibly some setup.h files.
 535  * They will need to be added.
 536  */
 537
 538 #ifndef wxUSE_FILECONFIG
 539 #    if wxUSE_CONFIG
 540 #        define wxUSE_FILECONFIG 1
 541 #    else
 542 #        define wxUSE_FILECONFIG 0
 543 #    endif
 544 #endif
 545
 546 #ifndef wxUSE_HOTKEY
 547 #    define wxUSE_HOTKEY 0
 548 #endif
 549
 550 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 551 #    define wxUSE_WXDIB 1
 552 #endif
 553
 554 /*
 555     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 556     OSX 10.2 and lower
 557     FIXME:  We need a better way to detect for 10.3 then including a system header
 558 */
 559 #ifdef __DARWIN__
 560     #include <AvailabilityMacros.h>
 561 #endif
 562
 563 #endif /* _WX_PLATFORM_H_ */