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 #endif /* Win32 */
 120
 121 #if defined(__WXMSW__) || defined(__WIN32__)
 122 #   if !defined(__WINDOWS__)
 123 #       define __WINDOWS__
 124 #   endif
 125 #endif
 126
 127 /* detect MS SmartPhone */
 128 #if defined( WIN32_PLATFORM_WFSP )
 129 #   ifndef __SMARTPHONE__
 130 #       define __SMARTPHONE__
 131 #   endif
 132 #   ifndef __WXWINCE__
 133 #       define __WXWINCE__
 134 #   endif
 135 #endif
 136
 137 /* detect PocketPC */
 138 #if defined( WIN32_PLATFORM_PSPC )
 139 #   ifndef __POCKETPC__
 140 #       define __POCKETPC__
 141 #   endif
 142 #   ifndef __WXWINCE__
 143 #       define __WXWINCE__
 144 #   endif
 145 #endif
 146
 147 /* detect Standard WinCE SDK */
 148 #if defined( WCE_PLATFORM_STANDARDSDK )
 149 #   ifndef __WINCE_STANDARDSDK__
 150 #       define __WINCE_STANDARDSDK__
 151 #   endif
 152 #   ifndef __WXWINCE__
 153 #       define __WXWINCE__
 154 #   endif
 155 #endif
 156
 157 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 158 #   if (_WIN32_WCE >= 400)
 159 #       ifndef __WINCE_NET__
 160 #           define __WINCE_NET__
 161 #       endif
 162 #   elif (_WIN32_WCE >= 200)
 163 #       ifndef __HANDHELDPC__
 164 #           define __HANDHELDPC__
 165 #       endif
 166 #   endif
 167 #   ifndef __WXWINCE__
 168 #       define __WXWINCE__
 169 #   endif
 170 #endif
 171
 172 /*
 173    Include wx/setup.h for the Unix platform defines generated by configure and
 174    the library compilation options
 175
 176    Note that it must be included before defining hardware symbols below as they
 177    could be already defined by configure
 178  */
 179 #include "wx/setup.h"
 180
 181 /*
 182    Hardware platform detection.
 183
 184    VC++ defines _M_xxx symbols.
 185  */
 186 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
 187     #ifndef __INTEL__
 188         #define __INTEL__
 189     #endif
 190 #endif /* x86 */
 191
 192 #if defined(_M_IA64)
 193     #ifndef __IA64__
 194         #define __IA64__
 195     #endif
 196 #endif /* ia64 */
 197
 198 #if defined(_M_MPPC) || defined(__PPC__)
 199     #ifndef __POWERPC__
 200         #define __POWERPC__
 201     #endif
 202 #endif /* alpha */
 203
 204 #if defined(_M_ALPHA) || defined(__AXP__)
 205     #ifndef __ALPHA__
 206         #define __ALPHA__
 207     #endif
 208 #endif /* alpha */
 209
 210
 211 /*
 212    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 213    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 214    the system headers so bring these settings in sync
 215  */
 216
 217 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 218 #if defined(_UNICODE) || defined(UNICODE)
 219 #   undef wxUSE_UNICODE
 220 #   define wxUSE_UNICODE 1
 221 #else /* !UNICODE */
 222 #   ifndef wxUSE_UNICODE
 223 #       define wxUSE_UNICODE 0
 224 #   endif
 225 #endif /* UNICODE/!UNICODE */
 226
 227 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 228 #if wxUSE_UNICODE
 229 #   ifndef _UNICODE
 230 #       define _UNICODE
 231 #   endif
 232 #   ifndef UNICODE
 233 #       define UNICODE
 234 #   endif
 235 #endif /* wxUSE_UNICODE */
 236
 237 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 238 // otherwise MSL headers bring in WIN32 dependant APIs
 239 #undef UNICODE
 240 #endif
 241
 242
 243 /*
 244    This macro can be used to test the Open Watcom version.
 245 */
 246 #ifndef __WATCOMC__
 247 #   define wxWATCOM_VERSION(major,minor) 0
 248 #   define wxCHECK_WATCOM_VERSION(major,minor) 0
 249 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
 250 #elif defined(__WATCOMC__) && __WATCOMC__ < 1200
 251 #   error "Only Open Watcom is supported in this release"
 252 #else
 253 #   define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
 254 #   define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
 255 #   define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
 256 #endif
 257
 258 /*
 259    check the consistency of the settings in setup.h: note that this must be
 260    done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
 261  */
 262 #include "wx/chkconf.h"
 263
 264
 265 /*
 266    some compilers don't support iostream.h any longer, while some of theme
 267    are not updated with <iostream> yet, so override the users setting here
 268    in such case.
 269  */
 270 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 271 #    undef wxUSE_IOSTREAMH
 272 #    define wxUSE_IOSTREAMH 0
 273 #elif defined(__DMC__) || defined(__WATCOMC__)
 274 #    undef wxUSE_IOSTREAMH
 275 #    define wxUSE_IOSTREAMH 1
 276 #elif defined(__MINGW32__)
 277 #    undef wxUSE_IOSTREAMH
 278 #    define wxUSE_IOSTREAMH 0
 279 #endif /* compilers with/without iostream.h */
 280
 281 /*
 282    old C++ headers (like <iostream.h>) declare classes in the global namespace
 283    while the new, standard ones (like <iostream>) do it in std:: namespace,
 284    unless it's an old gcc version.
 285
 286    using this macro allows constuctions like "wxSTD iostream" to work in
 287    either case
 288  */
 289 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
 290 #    define wxSTD std::
 291 #else
 292 #    define wxSTD
 293 #endif
 294
 295 /*
 296    OS: first of all, test for MS-DOS platform. We must do this before testing
 297        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 298  */
 299 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 300 #    ifndef __DOS__
 301 #        define __DOS__
 302 #    endif
 303     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 304     /* so define it if it hadn't been done by configure yet */
 305 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 306 #        ifdef __WATCOMC__
 307 #            define wxSIZE_T_IS_UINT
 308 #        endif
 309 #        ifdef __DJGPP__
 310 #            define wxSIZE_T_IS_ULONG
 311 #        endif
 312 #    endif
 313
 314 /*
 315    OS: then test for generic Unix defines, then for particular flavours and
 316        finally for Unix-like systems
 317  */
 318 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 319       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 320       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 321       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 322
 323 #    define __UNIX_LIKE__
 324
 325     /* Helps SGI compilation, apparently */
 326 #    ifdef __SGI__
 327 #        ifdef __GNUG__
 328 #            define __need_wchar_t
 329 #        else /* !gcc */
 330             /*
 331                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 332                idea to mix gcc and cc/CC, the name mangling is different
 333              */
 334 #            define __SGI_CC__
 335 #        endif /* gcc/!gcc */
 336
 337         /* system headers use this symbol and not __cplusplus in some places */
 338 #       ifndef _LANGUAGE_C_PLUS_PLUS
 339 #           define _LANGUAGE_C_PLUS_PLUS
 340 #       endif
 341 #    endif  /* SGI */
 342
 343 #    if defined(sun) || defined(__SUN__)
 344 #        ifndef __GNUG__
 345 #            ifndef __SUNCC__
 346 #                define __SUNCC__
 347 #            endif /* Sun CC */
 348 #        endif
 349 #    endif /* Sun */
 350
 351 #    ifdef __EMX__
 352 #        define OS2EMX_PLAIN_CHAR
 353 #    endif
 354
 355     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 356 #    if defined(__hpux) && !defined(__HPUX__)
 357 #        define __HPUX__
 358 #    endif /* HP-UX */
 359
 360 #    if defined(__CYGWIN__) || defined(__WINE__)
 361 #        if !defined(wxSIZE_T_IS_UINT)
 362 #            define wxSIZE_T_IS_UINT
 363 #        endif
 364 #    endif
 365 #elif defined(applec) || \
 366       defined(THINK_C) || \
 367       (defined(__MWERKS__) && !defined(__INTEL__))
 368       /* MacOS */
 369 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 370 #        define wxSIZE_T_IS_ULONG
 371 #    endif
 372 #elif defined(__WXMAC__) && defined(__APPLE__)
 373     /* Mac OS X */
 374 #    define __UNIX_LIKE__
 375
 376     /*
 377       These defines are needed when compiling using Project Builder
 378       with a non generated setup0.h
 379     */
 380 #    ifndef __UNIX__
 381 #        define __UNIX__ 1
 382 #    endif
 383 #    ifndef __BSD__
 384 #        define __BSD__ 1
 385 #    endif
 386 #    ifndef __DARWIN__
 387 #        define __DARWIN__ 1
 388 #    endif
 389 #    ifndef __POWERPC__
 390 #        define __POWERPC__ 1
 391 #    endif
 392 #    ifndef TARGET_CARBON
 393 #        define TARGET_CARBON 1
 394 #    endif
 395
 396 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 397 #        define wxSIZE_T_IS_ULONG
 398 #    endif
 399     /*
 400        Some code has been added to workaround defects(?) in the
 401        bundled gcc compiler. These corrections are identified by
 402        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 403      */
 404 #elif defined(__OS2__)
 405
 406     /* wxOS2 vs. non wxOS2 ports on OS2 platform */
 407 #    if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 408 #        ifndef __WXPM__
 409 #            define __WXPM__
 410 #        endif
 411 #    endif
 412
 413 #    if defined(__IBMCPP__)
 414 #        define __VISAGEAVER__ __IBMCPP__
 415 #    endif
 416
 417     /* Place other OS/2 compiler environment defines here */
 418 #    if defined(__VISAGECPP__)
 419         /* VisualAge is the only thing that understands _Optlink */
 420 #        define LINKAGEMODE _Optlink
 421 #    endif
 422 #    define wxSIZE_T_IS_UINT
 423
 424 #elif defined(__PALMOS__)
 425 #    ifdef __WIN32__
 426 #        error "__WIN32__ should not be defined for PalmOS"
 427 #    endif
 428 #    ifdef __WINDOWS__
 429 #        error "__WINDOWS__ should not be defined for PalmOS"
 430 #    endif
 431 #    ifdef __WXMSW__
 432 #        error "__WXMSW__ should not be defined for PalmOS"
 433 #    endif
 434
 435 #else   /* Windows */
 436 #    ifndef __WINDOWS__
 437 #        define __WINDOWS__
 438 #    endif  /* Windows */
 439
 440     /* to be changed for Win64! */
 441 #    ifndef __WIN32__
 442 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 443 #    endif
 444
 445     /*
 446        define another standard symbol for Microsoft Visual C++: the standard
 447        one (_MSC_VER) is also defined by Metrowerks compiler
 448      */
 449 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 450 #        define __VISUALC__ _MSC_VER
 451 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 452 #        define __BORLANDC__
 453 #    elif defined(__WATCOMC__)
 454 #    elif defined(__SC__)
 455 #        define __SYMANTECC__
 456 #    endif  /* compiler */
 457
 458     /* size_t is the same as unsigned int for all Windows compilers we know, */
 459     /* so define it if it hadn't been done by configure yet */
 460 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 461 #        define wxSIZE_T_IS_UINT
 462 #    endif
 463 #endif  /* OS */
 464
 465 /*
 466    if we're on a Unix system but didn't use configure (so that setup.h didn't
 467    define __UNIX__), do define __UNIX__ now
 468  */
 469 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 470 #    define __UNIX__
 471 #endif /* Unix */
 472
 473 #if defined(__WXMOTIF__) || defined(__WXX11__)
 474 #    define __X__
 475 #endif
 476
 477 #ifdef __SC__
 478 #    ifdef __DMC__
 479 #         define __DIGITALMARS__
 480 #    else
 481 #         define __SYMANTEC__
 482 #    endif
 483 #endif
 484
 485 #ifdef __INTEL_COMPILER
 486 #   define __INTELC__
 487 #endif
 488
 489 /*
 490    We get "Large Files (ILP32) not supported in strict ANSI mode." #error
 491    from HP-UX standard headers when compiling with g++ without this:
 492  */
 493 #if defined(__HPUX__) && !defined(__STDC_EXT__)
 494 #   define __STDC_EXT__ 1
 495 #endif
 496
 497 /* Force linking against required libraries under Windows: */
 498 #ifdef __WXWINCE__
 499 #   include "wx/msw/wince/libraries.h"
 500 #elif defined __WINDOWS__
 501 #   include "wx/msw/libraries.h"
 502 #endif
 503
 504 /*
 505    This macro can be used to test the gcc version and can be used like this:
 506
 507 #    if wxCHECK_GCC_VERSION(3, 1)
 508         ... we have gcc 3.1 or later ...
 509 #    else
 510         ... no gcc at all or gcc < 3.1 ...
 511 #    endif
 512 */
 513 #define wxCHECK_GCC_VERSION( major, minor ) \
 514     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 515     && ( ( __GNUC__ > (major) ) \
 516         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 517
 518 /*
 519    This macro can be used to check that the version of mingw32 compiler is
 520    at least maj.min
 521  */
 522 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 523     ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
 524       wxCHECK_WATCOM_VERSION(1,0) ) && \
 525     !defined(__DOS__) && \
 526     !defined(__WXPM__) && \
 527     !defined(__WXMOTIF__) && \
 528     !defined(__WXGTK__) && \
 529     !defined(__WXX11__) && \
 530     !defined(__WXPALMOS__)
 531 #    include "wx/msw/gccpriv.h"
 532 #else
 533 #    undef wxCHECK_W32API_VERSION
 534 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 535 #endif
 536
 537 #if defined (__WXMSW__)
 538 #    if !defined(__WATCOMC__)
 539 #        define wxHAVE_RAW_BITMAP
 540 #    endif
 541 #endif
 542
 543 #if defined (__WXMAC__)
 544 #    if !defined(WORDS_BIGENDIAN) && ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
 545 #        define WORDS_BIGENDIAN 1
 546 #    endif
 547 #endif
 548
 549 /* Choose which method we will use for updating menus
 550  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 551  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 552  */
 553 #ifndef wxUSE_IDLEMENUUPDATES
 554 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 555 #        define wxUSE_IDLEMENUUPDATES 0
 556 #    else
 557 #        define wxUSE_IDLEMENUUPDATES 1
 558 #    endif
 559 #endif
 560
 561 /*
 562  * Define symbols that are not yet in
 563  * configure or possibly some setup.h files.
 564  * They will need to be added.
 565  */
 566
 567 #ifndef wxUSE_FILECONFIG
 568 #    if wxUSE_CONFIG
 569 #        define wxUSE_FILECONFIG 1
 570 #    else
 571 #        define wxUSE_FILECONFIG 0
 572 #    endif
 573 #endif
 574
 575 #ifndef wxUSE_HOTKEY
 576 #    define wxUSE_HOTKEY 0
 577 #endif
 578
 579 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 580 #    define wxUSE_WXDIB 1
 581 #endif
 582
 583 /*
 584     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 585     OSX 10.2 and lower
 586     FIXME:  We need a better way to detect for 10.3 then including a system header
 587 */
 588 #ifdef __DARWIN__
 589     #include <AvailabilityMacros.h>
 590 #endif
 591
 592 #endif /* _WX_PLATFORM_H_ */