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