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