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