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