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