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