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 "wx/mac/carbon/config_xcode.h"
  38 #        endif
  39 #    else
  40 #        if TARGET_CARBON
  41 #            define __WXMAC_CARBON__
  42 #        else
  43 #            define __WXMAC_CLASSIC__
  44 #        endif
  45 #    endif
  46 #endif
  47
  48 /*
  49     __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
  50  */
  51 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
  52 #   define __WXOSX__
  53 #endif
  54
  55 /*
  56    first define Windows symbols if they're not defined on the command line: we
  57    can autodetect everything we need if _WIN32 is defined
  58  */
  59 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  60     && !defined(__WXX11__)
  61     /* for Cygwin, default to wxMSW unless otherwise specified */
  62 #    ifndef __WXMSW__
  63 #        define __WXMSW__
  64 #    endif
  65
  66 #    ifndef _WIN32
  67 #        define _WIN32
  68 #    endif
  69
  70 #    ifndef WIN32
  71 #        define WIN32
  72 #    endif
  73 #endif
  74
  75 #if defined(_WIN64)
  76 #    ifndef _WIN32
  77         /*
  78             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
  79             Windows or to test for !__WIN16__, so we must define _WIN32 for
  80             Win64 as well to ensure that the existing code continues to work.
  81          */
  82 #       define _WIN32
  83 #   endif /* !_WIN32 */
  84
  85 #   ifndef __WIN64__
  86 #       define __WIN64__
  87 #   endif /* !__WIN64__ */
  88 #endif /* _WIN64 */
  89
  90 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
  91     && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
  92 #    ifndef __WXMSW__
  93 #        define __WXMSW__
  94 #    endif
  95
  96 #    ifndef __WIN32__
  97 #        define __WIN32__
  98 #    endif
  99
 100     /*
 101         The library user may override the default setting of WINVER by defining
 102         it in his own makefile or project file -- if it is defined, we don't
 103         touch it at all.
 104
 105         It makes sense to define WINVER as:
 106             - either some lowish value (e.g. 0x0302) to not even compile in the
 107               features not available in Windows version lower than some given
 108               one
 109             - or to a higher value than the one used by default for the given
 110               compiler if you updated its headers to newer version of Platform
 111               SDK, e.g. VC6 ships with 0x0400 headers by default but may also
 112               work with 0x0500 headers and beyond
 113     */
 114 #   ifndef WINVER
 115 #       if defined(_MSC_VER) && _MSC_VER < 1300
 116             /*
 117                 VC6 defines some stuff in its default headers which is normally
 118                 only present if WINVER >= 0x0500 (FLASHW_XXX constants) which
 119                 means that our usual tests not involving WINVER sometimes fail
 120                 with it, hence explicitly define a lower WINVER value for it.
 121              */
 122 #           define WINVER 0x0400
 123 #       elif defined(__DMC__)
 124             /*
 125                 Digital Mars is distributed with a little outdated headers.
 126              */
 127 #           define WINVER 0x0400
 128 #       else /* !VC++ 6 */
 129             /*
 130                see MSDN for the description of possible WINVER values, this one
 131                is the highest one defined right now (Windows Server 2003) and
 132                we use it unless it was explicitly overridden by the user to
 133                disable recent features support as we check for all of the
 134                features we use which could be not available on earlier Windows
 135                systems during run-time anyhow, so there is almost no
 136                disadvantage in using it.
 137              */
 138 #           define WINVER 0x0502
 139 #       endif /* VC++ 6/!VC++6 */
 140 #   endif
 141
 142     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
 143 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
 144 #        define __WIN95__
 145 #    endif
 146 #endif /* Win32 */
 147
 148 #if defined(__WXMSW__) || defined(__WIN32__)
 149 #   if !defined(__WINDOWS__)
 150 #       define __WINDOWS__
 151 #   endif
 152 #endif
 153
 154 #ifdef __WINE__
 155 #   ifndef __WIN95__
 156 #       define __WIN95__
 157 #   endif
 158 #endif /* WINE */
 159
 160 /* detect MS SmartPhone */
 161 #if defined( WIN32_PLATFORM_WFSP )
 162 #   ifndef __SMARTPHONE__
 163 #       define __SMARTPHONE__
 164 #   endif
 165 #   ifndef __WXWINCE__
 166 #       define __WXWINCE__
 167 #   endif
 168 #endif
 169
 170 /* detect PocketPC */
 171 #if defined( WIN32_PLATFORM_PSPC )
 172 #   ifndef __POCKETPC__
 173 #       define __POCKETPC__
 174 #   endif
 175 #   ifndef __WXWINCE__
 176 #       define __WXWINCE__
 177 #   endif
 178 #endif
 179
 180 /* detect Standard WinCE SDK */
 181 #if defined( WCE_PLATFORM_STANDARDSDK )
 182 #   ifndef __WINCE_STANDARDSDK__
 183 #       define __WINCE_STANDARDSDK__
 184 #   endif
 185 #   ifndef __WXWINCE__
 186 #       define __WXWINCE__
 187 #   endif
 188 #endif
 189
 190 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
 191 #   if (_WIN32_WCE >= 400)
 192 #       ifndef __WINCE_NET__
 193 #           define __WINCE_NET__
 194 #       endif
 195 #   elif (_WIN32_WCE >= 200)
 196 #       ifndef __HANDHELDPC__
 197 #           define __HANDHELDPC__
 198 #       endif
 199 #   endif
 200 #   ifndef __WXWINCE__
 201 #       define __WXWINCE__
 202 #   endif
 203 #endif
 204
 205 /*
 206    Include wx/setup.h for the Unix platform defines generated by configure and
 207    the library compilation options
 208  */
 209 #include "wx/setup.h"
 210
 211 /* check the consistency of the settings in setup.h */
 212 #include "wx/chkconf.h"
 213
 214 /*
 215    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 216    and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
 217    the system headers so bring these settings in sync
 218  */
 219
 220 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 221 #if defined(_UNICODE) || defined(UNICODE)
 222 #   undef wxUSE_UNICODE
 223 #   define wxUSE_UNICODE 1
 224 #else /* !UNICODE */
 225 #   ifndef wxUSE_UNICODE
 226 #       define wxUSE_UNICODE 0
 227 #   endif
 228 #endif /* UNICODE/!UNICODE */
 229
 230 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 231 #if wxUSE_UNICODE
 232 #   ifndef _UNICODE
 233 #       define _UNICODE
 234 #   endif
 235 #   ifndef UNICODE
 236 #       define UNICODE
 237 #   endif
 238 #endif /* wxUSE_UNICODE */
 239
 240 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 241 // otherwise MSL headers bring in WIN32 dependant APIs
 242 #undef UNICODE
 243 #endif
 244 /*
 245    some compilers don't support iostream.h any longer, while some of theme
 246    are not updated with <iostream> yet, so override the users setting here
 247    in such case.
 248  */
 249 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 250 #    undef wxUSE_IOSTREAMH
 251 #    define wxUSE_IOSTREAMH 0
 252 #elif defined(__DMC__) || defined(__WATCOMC__)
 253 #    undef wxUSE_IOSTREAMH
 254 #    define wxUSE_IOSTREAMH 1
 255 #elif defined(__MINGW32__)
 256 #    undef wxUSE_IOSTREAMH
 257 #    define wxUSE_IOSTREAMH 0
 258 #endif /* compilers with/without iostream.h */
 259
 260 /*
 261    old C++ headers (like <iostream.h>) declare classes in the global namespace
 262    while the new, standard ones (like <iostream>) do it in std:: namespace
 263
 264    using this macro allows constuctions like "wxSTD iostream" to work in
 265    either case
 266  */
 267 #if !wxUSE_IOSTREAMH
 268 #    define wxSTD std::
 269 #else
 270 #    define wxSTD
 271 #endif
 272
 273 /*
 274    OS: first of all, test for MS-DOS platform. We must do this before testing
 275        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 276  */
 277 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 278 #    ifndef __DOS__
 279 #        define __DOS__
 280 #    endif
 281     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 282     /* so define it if it hadn't been done by configure yet */
 283 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 284 #        ifdef __WATCOMC__
 285 #            define wxSIZE_T_IS_UINT
 286 #        endif
 287 #        ifdef __DJGPP__
 288 #            define wxSIZE_T_IS_ULONG
 289 #        endif
 290 #    endif
 291
 292 /*
 293    OS: then test for generic Unix defines, then for particular flavours and
 294        finally for Unix-like systems
 295  */
 296 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 297       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 298       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 299       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 300
 301 #    define __UNIX_LIKE__
 302
 303     /* Helps SGI compilation, apparently */
 304 #    ifdef __SGI__
 305 #        ifdef __GNUG__
 306 #            define __need_wchar_t
 307 #        else /* !gcc */
 308             /*
 309                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 310                idea to mix gcc and cc/CC, the name mangling is different
 311              */
 312 #            define __SGI_CC__
 313 #        endif /* gcc/!gcc */
 314 #    endif  /* SGI */
 315
 316 #    if defined(sun) || defined(__SUN__)
 317 #        ifndef __GNUG__
 318 #            ifndef __SUNCC__
 319 #                define __SUNCC__
 320 #            endif /* Sun CC */
 321 #        endif
 322 #    endif /* Sun */
 323
 324 #    ifdef __EMX__
 325 #        define OS2EMX_PLAIN_CHAR
 326 #    endif
 327
 328     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 329 #    if defined(__hpux) && !defined(__HPUX__)
 330 #        define __HPUX__
 331 #    endif /* HP-UX */
 332
 333 #    if defined(__CYGWIN__) || defined(__WINE__)
 334 #        if !defined(wxSIZE_T_IS_UINT)
 335 #            define wxSIZE_T_IS_UINT
 336 #        endif
 337 #    endif
 338 #elif defined(applec) || \
 339       defined(THINK_C) || \
 340       (defined(__MWERKS__) && !defined(__INTEL__))
 341       /* MacOS */
 342 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 343 #        define wxSIZE_T_IS_ULONG
 344 #    endif
 345 #elif defined(__WXMAC__) && defined(__APPLE__)
 346     /* Mac OS X */
 347 #    define __UNIX_LIKE__
 348
 349     /*
 350       These defines are needed when compiling using Project Builder
 351       with a non generated setup0.h
 352     */
 353 #    ifndef __UNIX__
 354 #        define __UNIX__ 1
 355 #    endif
 356 #    ifndef __BSD__
 357 #        define __BSD__ 1
 358 #    endif
 359 #    ifndef __DARWIN__
 360 #        define __DARWIN__ 1
 361 #    endif
 362 #    ifndef __POWERPC__
 363 #        define __POWERPC__ 1
 364 #    endif
 365 #    ifndef TARGET_CARBON
 366 #        define TARGET_CARBON 1
 367 #    endif
 368
 369 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 370 #        define wxSIZE_T_IS_ULONG
 371 #    endif
 372     /*
 373        Some code has been added to workaround defects(?) in the
 374        bundled gcc compiler. These corrections are identified by
 375        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 376      */
 377 #elif defined(__OS2__)
 378 #    if defined(__IBMCPP__)
 379 #        define __VISAGEAVER__ __IBMCPP__
 380 #    endif
 381 #    ifndef __WXOS2__
 382 #        define __WXOS2__
 383 #    endif
 384 #    ifndef __WXPM__
 385 #        define __WXPM__
 386 #    endif
 387
 388     /* Place other OS/2 compiler environment defines here */
 389 #    if defined(__VISAGECPP__)
 390         /* VisualAge is the only thing that understands _Optlink */
 391 #        define LINKAGEMODE _Optlink
 392 #    endif
 393 #    define wxSIZE_T_IS_UINT
 394
 395 #else   /* Windows */
 396 #    ifndef __WINDOWS__
 397 #        define __WINDOWS__
 398 #    endif  /* Windows */
 399
 400     /* to be changed for Win64! */
 401 #    ifndef __WIN32__
 402 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 403 #    endif
 404
 405     /*
 406        define another standard symbol for Microsoft Visual C++: the standard
 407        one (_MSC_VER) is also defined by Metrowerks compiler
 408      */
 409 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 410 #        define __VISUALC__ _MSC_VER
 411 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 412 #        define __BORLANDC__
 413 #      elif defined(__WATCOMC__)
 414 #    elif defined(__SC__)
 415 #        define __SYMANTECC__
 416 #    endif  /* compiler */
 417
 418     /* size_t is the same as unsigned int for all Windows compilers we know, */
 419     /* so define it if it hadn't been done by configure yet */
 420 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 421 #        define wxSIZE_T_IS_UINT
 422 #    endif
 423 #endif  /* OS */
 424
 425 /*
 426    if we're on a Unix system but didn't use configure (so that setup.h didn't
 427    define __UNIX__), do define __UNIX__ now
 428  */
 429 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 430 #    define __UNIX__
 431 #endif /* Unix */
 432
 433 #if defined(__WXMOTIF__) || defined(__WXX11__)
 434 #    define __X__
 435 #endif
 436
 437 #ifdef __SC__
 438 #    ifdef __DMC__
 439 #         define __DIGITALMARS__
 440 #    else
 441 #         define __SYMANTEC__
 442 #    endif
 443 #endif
 444
 445 /* Force linking against required libraries under Windows CE: */
 446 #ifdef __WXWINCE__
 447 #   include "wx/msw/wince/libraries.h"
 448 #endif
 449
 450 /*
 451    This macro can be used to test the gcc version and can be used like this:
 452
 453 #    if wxCHECK_GCC_VERSION(3, 1)
 454         ... we have gcc 3.1 or later ...
 455 #    else
 456         ... no gcc at all or gcc < 3.1 ...
 457 #    endif
 458 */
 459 #define wxCHECK_GCC_VERSION( major, minor ) \
 460     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 461     && ( ( __GNUC__ > (major) ) \
 462         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 463
 464 /*
 465    This macro can be used to check that the version of mingw32 compiler is
 466    at least maj.min
 467  */
 468 #if defined(__PALMOS__)
 469 #    include "wx/palmos/gccpriv.h"
 470 #elif ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 471     defined( __CYGWIN__ ) || \
 472       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 473     !defined(__DOS__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
 474 #    include "wx/msw/gccpriv.h"
 475 #else
 476 #    undef wxCHECK_W32API_VERSION
 477 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 478 #endif
 479
 480 #if defined (__WXMSW__)
 481 #    if !defined(__WATCOMC__)
 482 #        define wxHAVE_RAW_BITMAP
 483 #    endif
 484 #endif
 485
 486 #if defined (__WXMAC__)
 487 #    ifndef WORDS_BIGENDIAN
 488 #        define WORDS_BIGENDIAN 1
 489 #    endif
 490 #endif
 491
 492 /* Choose which method we will use for updating menus
 493  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 494  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 495  */
 496 #ifndef wxUSE_IDLEMENUUPDATES
 497 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 498 #        define wxUSE_IDLEMENUUPDATES 0
 499 #    else
 500 #        define wxUSE_IDLEMENUUPDATES 1
 501 #    endif
 502 #endif
 503
 504 /*
 505  * Define symbols that are not yet in
 506  * configure or possibly some setup.h files.
 507  * They will need to be added.
 508  */
 509
 510 #ifndef wxUSE_FILECONFIG
 511 #    if wxUSE_CONFIG
 512 #        define wxUSE_FILECONFIG 1
 513 #    else
 514 #        define wxUSE_FILECONFIG 0
 515 #    endif
 516 #endif
 517
 518 #ifndef wxUSE_HOTKEY
 519 #    define wxUSE_HOTKEY 0
 520 #endif
 521
 522 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 523 #    define wxUSE_WXDIB 1
 524 #endif
 525
 526 /*
 527     We need AvailabilityMacros.h for ifdefing out things that don't exist on
 528     OSX 10.2 and lower
 529     FIXME:  We need a better way to detect for 10.3 then including a system header
 530 */
 531 #ifdef __DARWIN__
 532     #include <AvailabilityMacros.h>
 533 #endif
 534
 535 #endif /* _WX_PLATFORM_H_ */
 536