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    first define Windows symbols if they're not defined on the command line: we
  28    can autodetect everything we need if _WIN32 is defined
  29  */
  30 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
  31     && !defined(__WXX11__)
  32     /* for Cygwin, default to wxMSW unless otherwise specified */
  33 #    ifndef __WXMSW__
  34 #        define __WXMSW__
  35 #    endif
  36
  37 #    ifndef _WIN32
  38 #        define _WIN32
  39 #    endif
  40
  41 #    ifndef WIN32
  42 #        define WIN32
  43 #    endif
  44 #endif
  45
  46 #if defined(_WIN64)
  47 #    ifndef _WIN32
  48         /*
  49             a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
  50             Windows or to test for !__WIN16__, so we must define _WIN32 for
  51             Win64 as well to ensure that the existing code continues to work.
  52          */
  53 #       define _WIN32
  54 #   endif /* !_WIN32 */
  55
  56 #   ifndef __WIN64__
  57 #       define __WIN64__
  58 #   endif /* !__WIN64__ */
  59 #endif /* _WIN64 */
  60
  61 #if defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)
  62 #    ifndef __WXMSW__
  63 #        define __WXMSW__
  64 #    endif
  65
  66 #    ifndef __WIN32__
  67 #        define __WIN32__
  68 #    endif
  69
  70     /*
  71        see MSDN for the description of possible WINVER values, this one is a
  72        good default and, anyhow, we check for most of the features we use
  73        during run-time.
  74      */
  75 #    ifndef WINVER
  76 #        define WINVER  0x0400
  77 #    endif
  78
  79     /* Win95 means Win95-style UI, i.e. Win9x/NT 4+ */
  80 #    if !defined(__WIN95__) && (WINVER >= 0x0400)
  81 #        define __WIN95__
  82 #    endif
  83 #endif /* Win32 */
  84
  85 #if defined(__WXMSW__) || defined(__WIN32__)
  86 #    if !defined(__WINDOWS__)
  87 #        define __WINDOWS__
  88 #    endif
  89 #endif
  90
  91 #ifdef __WINE__
  92 #    ifndef __WIN95__
  93 #        define __WIN95__
  94 #    endif
  95 #endif /* WINE */
  96
  97 /*
  98    Include wx/setup.h for the Unix platform defines generated by configure and
  99    the library compilation options
 100  */
 101 #include "wx/setup.h"
 102
 103 /* check the consistency of the settings in setup.h */
 104 #include "wx/chkconf.h"
 105
 106 /*
 107    adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
 108    and is used by wxWindows, _UNICODE and/or UNICODE may be defined or used by
 109    the system headers so bring these settings in sync
 110  */
 111
 112 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
 113 #if defined(_UNICODE) || defined(UNICODE)
 114 #   undef wxUSE_UNICODE
 115 #   define wxUSE_UNICODE 1
 116 #else /* !UNICODE */
 117 #   ifndef wxUSE_UNICODE
 118 #       define wxUSE_UNICODE 0
 119 #   endif
 120 #endif /* UNICODE/!UNICODE */
 121
 122 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
 123 #if wxUSE_UNICODE
 124 #   ifndef _UNICODE
 125 #       define _UNICODE
 126 #   endif
 127 #   ifndef UNICODE
 128 #       define UNICODE
 129 #   endif
 130 #endif /* wxUSE_UNICODE */
 131
 132
 133 /*
 134    some compilers don't support iostream.h any longer, so override the users
 135    setting here in such case.
 136  */
 137 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 138 #    undef wxUSE_IOSTREAMH
 139 #    define wxUSE_IOSTREAMH 0
 140 #endif /* compilers not supporting iostream.h */
 141
 142 /*
 143    old C++ headers (like <iostream.h>) declare classes in the global namespace
 144    while the new, standard ones (like <iostream>) do it in std:: namespace
 145
 146    using this macro allows constuctions like "wxSTD iostream" to work in
 147    either case
 148  */
 149 #if !wxUSE_IOSTREAMH
 150 #    define wxSTD std::
 151 #else
 152 #    define wxSTD
 153 #endif
 154
 155 /*
 156    OS: first of all, test for MS-DOS platform. We must do this before testing
 157        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 158  */
 159 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 160 #    ifndef __DOS__
 161 #        define __DOS__
 162 #    endif
 163     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 164     /* so define it if it hadn't been done by configure yet */
 165 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 166 #        ifdef __WATCOMC__
 167 #            define wxSIZE_T_IS_UINT
 168 #        endif
 169 #        ifdef __DJGPP__
 170 #            define wxSIZE_T_IS_ULONG
 171 #        endif
 172 #    endif
 173
 174 /*
 175    OS: then test for generic Unix defines, then for particular flavours and
 176        finally for Unix-like systems
 177  */
 178 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 179       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 180       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 181       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 182
 183 #    define __UNIX_LIKE__
 184
 185     /* Helps SGI compilation, apparently */
 186 #    ifdef __SGI__
 187 #        ifdef __GNUG__
 188 #            define __need_wchar_t
 189 #        else /* !gcc */
 190             /*
 191                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 192                idea to mix gcc and cc/CC, the name mangling is different
 193              */
 194 #            define __SGI_CC__
 195 #        endif /* gcc/!gcc */
 196 #    endif  /* SGI */
 197
 198 #    if defined(sun) || defined(__SUN__)
 199 #        ifndef __GNUG__
 200 #            ifndef __SUNCC__
 201 #                define __SUNCC__
 202 #            endif /* Sun CC */
 203 #        endif
 204 #    endif /* Sun */
 205
 206 #    ifdef __EMX__
 207 #        define OS2EMX_PLAIN_CHAR
 208 #    endif
 209
 210     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 211 #    if defined(__hpux) && !defined(__HPUX__)
 212 #        define __HPUX__
 213 #    endif /* HP-UX */
 214
 215 #    if defined(__CYGWIN__) || defined(__WINE__)
 216 #        if !defined(wxSIZE_T_IS_UINT)
 217 #            define wxSIZE_T_IS_UINT
 218 #        endif
 219 #    endif
 220 #elif defined(applec) || \
 221       defined(THINK_C) || \
 222       (defined(__MWERKS__) && !defined(__INTEL__))
 223       /* MacOS */
 224 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 225 #        define wxSIZE_T_IS_ULONG
 226 #    endif
 227 #elif defined(__WXMAC__) && defined(__APPLE__)
 228     /* Mac OS X */
 229 #    define __UNIX_LIKE__
 230
 231     /*
 232       These defines are needed when compiling using Project Builder
 233       with a non generated setup0.h
 234     */
 235 #    ifndef __UNIX__
 236 #        define __UNIX__ 1
 237 #    endif
 238 #    ifndef __BSD__
 239 #        define __BSD__ 1
 240 #    endif
 241 #    ifndef __DARWIN__
 242 #        define __DARWIN__ 1
 243 #    endif
 244 #    ifndef __POWERPC__
 245 #        define __POWERPC__ 1
 246 #    endif
 247 #    ifndef TARGET_CARBON
 248 #        define TARGET_CARBON 1
 249 #    endif
 250
 251 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 252 #        define wxSIZE_T_IS_ULONG
 253 #    endif
 254     /*
 255        Some code has been added to workaround defects(?) in the
 256        bundled gcc compiler. These corrections are identified by
 257        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 258      */
 259 #elif defined(__OS2__)
 260 #    if defined(__IBMCPP__)
 261 #        define __VISAGEAVER__ __IBMCPP__
 262 #    endif
 263 #    ifndef __WXOS2__
 264 #        define __WXOS2__
 265 #    endif
 266 #    ifndef __WXPM__
 267 #        define __WXPM__
 268 #    endif
 269
 270     /* Place other OS/2 compiler environment defines here */
 271 #    if defined(__VISAGECPP__)
 272         /* VisualAge is the only thing that understands _Optlink */
 273 #        define LINKAGEMODE _Optlink
 274 #    endif
 275 #    define wxSIZE_T_IS_UINT
 276
 277 #else   /* Windows */
 278 #    ifndef __WINDOWS__
 279 #        define __WINDOWS__
 280 #    endif  /* Windows */
 281
 282     /* to be changed for Win64! */
 283 #    ifndef __WIN32__
 284 #        define __WIN16__
 285 #    endif
 286
 287     /*
 288        define another standard symbol for Microsoft Visual C++: the standard
 289        one (_MSC_VER) is also defined by Metrowerks compiler
 290      */
 291 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 292 #        define __VISUALC__ _MSC_VER
 293 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 294 #        define __BORLANDC__
 295 #      elif defined(__WATCOMC__)
 296 #    elif defined(__SC__)
 297 #        define __SYMANTECC__
 298 #    endif  /* compiler */
 299
 300     /* size_t is the same as unsigned int for all Windows compilers we know, */
 301     /* so define it if it hadn't been done by configure yet */
 302 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 303 #        define wxSIZE_T_IS_UINT
 304 #    endif
 305 #endif  /* OS */
 306
 307 /*
 308    if we're on a Unix system but didn't use configure (so that setup.h didn't
 309    define __UNIX__), do define __UNIX__ now
 310  */
 311 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 312 #    define __UNIX__
 313 #endif /* Unix */
 314
 315 #if defined(__HPUX__) && !defined(__WXGTK__)
 316 #    ifndef __WXMOTIF__
 317 #        define __WXMOTIF__
 318 #    endif /* __WXMOTIF__ */
 319 #endif
 320
 321 #if defined(__WXMOTIF__) || defined(__WXX11__)
 322 #    define __X__
 323 #endif
 324
 325 #ifdef __SC__
 326 #    ifdef __DMC__
 327 #         define __DIGITALMARS__
 328 #    else
 329 #         define __SYMANTEC__
 330 #    endif
 331 #endif
 332
 333 /*
 334    This macro can be used to test the gcc version and can be used like this:
 335
 336 #    if wxCHECK_GCC_VERSION(3, 1)
 337         ... we have gcc 3.1 or later ...
 338 #    else
 339         ... no gcc at all or gcc < 3.1 ...
 340 #    endif
 341 */
 342 #define wxCHECK_GCC_VERSION( major, minor ) \
 343     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 344     && ( ( __GNUC__ > (major) ) \
 345         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 346
 347 /*
 348    This macro can be used to check that the version of mingw32 compiler is
 349    at least maj.min
 350  */
 351 #if defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 352     defined( __CYGWIN__ ) || \
 353     (defined(__WATCOMC__) && __WATCOMC__ >= 1200)
 354 #    include "wx/msw/gccpriv.h"
 355 #else
 356 #    undef wxCHECK_W32API_VERSION
 357 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 358 #endif
 359
 360 #if defined (__WXMSW__)
 361 #    if !defined(__WATCOMC__)
 362 #        define wxHAVE_RAW_BITMAP
 363 #    endif
 364 #endif
 365
 366 #if defined (__WXMAC__)
 367 #    ifndef WORDS_BIGENDIAN
 368 #        define WORDS_BIGENDIAN 1
 369 #    endif
 370 #endif
 371
 372 /* Choose which method we will use for updating menus
 373  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 374  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 375  */
 376 #ifndef wxUSE_IDLEMENUUPDATES
 377 #    if defined(__WXMSW__) || defined(__WXGTK__)
 378 #        define wxUSE_IDLEMENUUPDATES 0
 379 #    else
 380 #        define wxUSE_IDLEMENUUPDATES 1
 381 #    endif
 382 #endif
 383
 384 /*
 385  * Define symbols that are not yet in
 386  * configure or possibly some setup.h files.
 387  * They will need to be added.
 388  */
 389
 390 #ifndef wxUSE_FILECONFIG
 391 #    if wxUSE_CONFIG
 392 #        define wxUSE_FILECONFIG 1
 393 #    else
 394 #        define wxUSE_FILECONFIG 0
 395 #    endif
 396 #endif
 397
 398 #ifndef wxUSE_HOTKEY
 399 #    define wxUSE_HOTKEY 0
 400 #endif
 401
 402 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 403 #    define wxUSE_WXDIB 1
 404 #endif
 405
 406 #endif /* _WX_PLATFORM_H_ */
 407