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         #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 #    ifndef __WXMSW__
  89 #        define __WXMSW__
  90 #    endif
  91
  92 #    ifndef __WIN32__
  93 #        define __WIN32__
  94 #    endif
  95
  96     /*
  97        see MSDN for the description of possible WINVER values, this one is a
  98        good default and, anyhow, we check for most of the features we use
  99        during run-time.
 100      */
 101 #    ifndef WINVER
 102 #        define WINVER  0x0400
 103 #    endif
 104
 105     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
 106 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
 107 #        define __WIN95__
 108 #    endif
 109 #endif /* Win32 */
 110
 111 #if defined(__WXMSW__) || defined(__WIN32__)
 112 #    if !defined(__WINDOWS__)
 113 #        define __WINDOWS__
 114 #    endif
 115 #endif
 116
 117 #ifdef __WINE__
 118 #    ifndef __WIN95__
 119 #        define __WIN95__
 120 #    endif
 121 #endif /* WINE */
 122
 123 /* detect SmartPhone */
 124 #if defined( WIN32_PLATFORM_WFSP )
 125 #    ifndef __SMARTPHONE__
 126 #        define __SMARTPHONE__
 127 #    endif
 128 #endif
 129
 130 /*
 131    Include wx/setup.h for the Unix platform defines generated by configure and
 132    the library compilation options
 133  */
 134 #include "wx/setup.h"
 135
 136 /* check the consistency of the settings in setup.h */
 137 #include "wx/chkconf.h"
 138
 139 /*
 140    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 141    and is used by wxWindows, _UNICODE and/or UNICODE may be defined or used by
 142    the system headers so bring these settings in sync
 143  */
 144
 145 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 146 #if defined(_UNICODE) || defined(UNICODE)
 147 #   undef wxUSE_UNICODE
 148 #   define wxUSE_UNICODE 1
 149 #else /* !UNICODE */
 150 #   ifndef wxUSE_UNICODE
 151 #       define wxUSE_UNICODE 0
 152 #   endif
 153 #endif /* UNICODE/!UNICODE */
 154
 155 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 156 #if wxUSE_UNICODE
 157 #   ifndef _UNICODE
 158 #       define _UNICODE
 159 #   endif
 160 #   ifndef UNICODE
 161 #       define UNICODE
 162 #   endif
 163 #endif /* wxUSE_UNICODE */
 164
 165 #if defined( __MWERKS__ ) && !defined(__INTEL__)
 166 // otherwise MSL headers bring in WIN32 dependant APIs
 167 #undef UNICODE
 168 #endif
 169 /*
 170    some compilers don't support iostream.h any longer, while some of theme
 171    are not updated with <iostream> yet, so override the users setting here
 172    in such case.
 173  */
 174 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 175 #    undef wxUSE_IOSTREAMH
 176 #    define wxUSE_IOSTREAMH 0
 177 #elif defined(__DMC__) || defined(__WATCOMC__)
 178 #    undef wxUSE_IOSTREAMH
 179 #    define wxUSE_IOSTREAMH 1
 180 #endif /* compilers not supporting iostream.h */
 181
 182 /*
 183    old C++ headers (like <iostream.h>) declare classes in the global namespace
 184    while the new, standard ones (like <iostream>) do it in std:: namespace
 185
 186    using this macro allows constuctions like "wxSTD iostream" to work in
 187    either case
 188  */
 189 #if !wxUSE_IOSTREAMH
 190 #    define wxSTD std::
 191 #else
 192 #    define wxSTD
 193 #endif
 194
 195 /*
 196    OS: first of all, test for MS-DOS platform. We must do this before testing
 197        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 198  */
 199 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 200 #    ifndef __DOS__
 201 #        define __DOS__
 202 #    endif
 203     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 204     /* so define it if it hadn't been done by configure yet */
 205 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 206 #        ifdef __WATCOMC__
 207 #            define wxSIZE_T_IS_UINT
 208 #        endif
 209 #        ifdef __DJGPP__
 210 #            define wxSIZE_T_IS_ULONG
 211 #        endif
 212 #    endif
 213
 214 /*
 215    OS: then test for generic Unix defines, then for particular flavours and
 216        finally for Unix-like systems
 217  */
 218 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 219       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 220       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 221       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 222
 223 #    define __UNIX_LIKE__
 224
 225     /* Helps SGI compilation, apparently */
 226 #    ifdef __SGI__
 227 #        ifdef __GNUG__
 228 #            define __need_wchar_t
 229 #        else /* !gcc */
 230             /*
 231                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 232                idea to mix gcc and cc/CC, the name mangling is different
 233              */
 234 #            define __SGI_CC__
 235 #        endif /* gcc/!gcc */
 236 #    endif  /* SGI */
 237
 238 #    if defined(sun) || defined(__SUN__)
 239 #        ifndef __GNUG__
 240 #            ifndef __SUNCC__
 241 #                define __SUNCC__
 242 #            endif /* Sun CC */
 243 #        endif
 244 #    endif /* Sun */
 245
 246 #    ifdef __EMX__
 247 #        define OS2EMX_PLAIN_CHAR
 248 #    endif
 249
 250     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 251 #    if defined(__hpux) && !defined(__HPUX__)
 252 #        define __HPUX__
 253 #    endif /* HP-UX */
 254
 255 #    if defined(__CYGWIN__) || defined(__WINE__)
 256 #        if !defined(wxSIZE_T_IS_UINT)
 257 #            define wxSIZE_T_IS_UINT
 258 #        endif
 259 #    endif
 260 #elif defined(applec) || \
 261       defined(THINK_C) || \
 262       (defined(__MWERKS__) && !defined(__INTEL__))
 263       /* MacOS */
 264 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 265 #        define wxSIZE_T_IS_ULONG
 266 #    endif
 267 #elif defined(__WXMAC__) && defined(__APPLE__)
 268     /* Mac OS X */
 269 #    define __UNIX_LIKE__
 270
 271     /*
 272       These defines are needed when compiling using Project Builder
 273       with a non generated setup0.h
 274     */
 275 #    ifndef __UNIX__
 276 #        define __UNIX__ 1
 277 #    endif
 278 #    ifndef __BSD__
 279 #        define __BSD__ 1
 280 #    endif
 281 #    ifndef __DARWIN__
 282 #        define __DARWIN__ 1
 283 #    endif
 284 #    ifndef __POWERPC__
 285 #        define __POWERPC__ 1
 286 #    endif
 287 #    ifndef TARGET_CARBON
 288 #        define TARGET_CARBON 1
 289 #    endif
 290
 291 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 292 #        define wxSIZE_T_IS_ULONG
 293 #    endif
 294     /*
 295        Some code has been added to workaround defects(?) in the
 296        bundled gcc compiler. These corrections are identified by
 297        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 298      */
 299 #elif defined(__OS2__)
 300 #    if defined(__IBMCPP__)
 301 #        define __VISAGEAVER__ __IBMCPP__
 302 #    endif
 303 #    ifndef __WXOS2__
 304 #        define __WXOS2__
 305 #    endif
 306 #    ifndef __WXPM__
 307 #        define __WXPM__
 308 #    endif
 309
 310     /* Place other OS/2 compiler environment defines here */
 311 #    if defined(__VISAGECPP__)
 312         /* VisualAge is the only thing that understands _Optlink */
 313 #        define LINKAGEMODE _Optlink
 314 #    endif
 315 #    define wxSIZE_T_IS_UINT
 316
 317 #else   /* Windows */
 318 #    ifndef __WINDOWS__
 319 #        define __WINDOWS__
 320 #    endif  /* Windows */
 321
 322     /* to be changed for Win64! */
 323 #    ifndef __WIN32__
 324 #        error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
 325 #    endif
 326
 327     /*
 328        define another standard symbol for Microsoft Visual C++: the standard
 329        one (_MSC_VER) is also defined by Metrowerks compiler
 330      */
 331 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 332 #        define __VISUALC__ _MSC_VER
 333 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 334 #        define __BORLANDC__
 335 #      elif defined(__WATCOMC__)
 336 #    elif defined(__SC__)
 337 #        define __SYMANTECC__
 338 #    endif  /* compiler */
 339
 340     /* size_t is the same as unsigned int for all Windows compilers we know, */
 341     /* so define it if it hadn't been done by configure yet */
 342 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 343 #        define wxSIZE_T_IS_UINT
 344 #    endif
 345 #endif  /* OS */
 346
 347 /*
 348    if we're on a Unix system but didn't use configure (so that setup.h didn't
 349    define __UNIX__), do define __UNIX__ now
 350  */
 351 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 352 #    define __UNIX__
 353 #endif /* Unix */
 354
 355 #if defined(__HPUX__) && !defined(__WXGTK__)
 356 #    ifndef __WXMOTIF__
 357 #        define __WXMOTIF__
 358 #    endif /* __WXMOTIF__ */
 359 #endif
 360
 361 #if defined(__WXMOTIF__) || defined(__WXX11__)
 362 #    define __X__
 363 #endif
 364
 365 #ifdef __SC__
 366 #    ifdef __DMC__
 367 #         define __DIGITALMARS__
 368 #    else
 369 #         define __SYMANTEC__
 370 #    endif
 371 #endif
 372
 373 /* Force linking against required libraries under Windows CE: */
 374 #ifdef __WXWINCE__
 375 #   include "wx/msw/wince/libraries.h"
 376 #endif
 377
 378 /*
 379    This macro can be used to test the gcc version and can be used like this:
 380
 381 #    if wxCHECK_GCC_VERSION(3, 1)
 382         ... we have gcc 3.1 or later ...
 383 #    else
 384         ... no gcc at all or gcc < 3.1 ...
 385 #    endif
 386 */
 387 #define wxCHECK_GCC_VERSION( major, minor ) \
 388     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 389     && ( ( __GNUC__ > (major) ) \
 390         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 391
 392 /*
 393    This macro can be used to check that the version of mingw32 compiler is
 394    at least maj.min
 395  */
 396 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 397     defined( __CYGWIN__ ) || \
 398       (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
 399     !defined(__DOS__)
 400 #    include "wx/msw/gccpriv.h"
 401 #else
 402 #    undef wxCHECK_W32API_VERSION
 403 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 404 #endif
 405
 406 #if defined (__WXMSW__)
 407 #    if !defined(__WATCOMC__)
 408 #        define wxHAVE_RAW_BITMAP
 409 #    endif
 410 #endif
 411
 412 #if defined (__WXMAC__)
 413 #    ifndef WORDS_BIGENDIAN
 414 #        define WORDS_BIGENDIAN 1
 415 #    endif
 416 #endif
 417
 418 /* Choose which method we will use for updating menus
 419  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 420  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 421  */
 422 #ifndef wxUSE_IDLEMENUUPDATES
 423 #    if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
 424 #        define wxUSE_IDLEMENUUPDATES 0
 425 #    else
 426 #        define wxUSE_IDLEMENUUPDATES 1
 427 #    endif
 428 #endif
 429
 430 /*
 431  * Define symbols that are not yet in
 432  * configure or possibly some setup.h files.
 433  * They will need to be added.
 434  */
 435
 436 #ifndef wxUSE_FILECONFIG
 437 #    if wxUSE_CONFIG
 438 #        define wxUSE_FILECONFIG 1
 439 #    else
 440 #        define wxUSE_FILECONFIG 0
 441 #    endif
 442 #endif
 443
 444 #ifndef wxUSE_HOTKEY
 445 #    define wxUSE_HOTKEY 0
 446 #endif
 447
 448 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 449 #    define wxUSE_WXDIB 1
 450 #endif
 451
 452 #endif /* _WX_PLATFORM_H_ */
 453