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    some compilers don't support iostream.h any longer, so override the users
 108    setting here in such case.
 109  */
 110 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
 111 #    undef wxUSE_IOSTREAMH
 112 #    define wxUSE_IOSTREAMH 0
 113 #endif /* compilers not supporting iostream.h */
 114
 115 /*
 116    old C++ headers (like <iostream.h>) declare classes in the global namespace
 117    while the new, standard ones (like <iostream>) do it in std:: namespace
 118
 119    using this macro allows constuctions like "wxSTD iostream" to work in
 120    either case
 121  */
 122 #if !wxUSE_IOSTREAMH
 123 #    define wxSTD std::
 124 #else
 125 #    define wxSTD
 126 #endif
 127
 128 /*
 129    OS: first of all, test for MS-DOS platform. We must do this before testing
 130        for Unix, because DJGPP compiler defines __unix__ under MS-DOS
 131  */
 132 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
 133 #    ifndef __DOS__
 134 #        define __DOS__
 135 #    endif
 136     /* size_t is the same as unsigned int for Watcom 11 compiler, */
 137     /* so define it if it hadn't been done by configure yet */
 138 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 139 #        ifdef __WATCOMC__
 140 #            define wxSIZE_T_IS_UINT
 141 #        endif
 142 #        ifdef __DJGPP__
 143 #            define wxSIZE_T_IS_ULONG
 144 #        endif
 145 #    endif
 146
 147 /*
 148    OS: then test for generic Unix defines, then for particular flavours and
 149        finally for Unix-like systems
 150  */
 151 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
 152       defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
 153       defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
 154       defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
 155
 156 #    define __UNIX_LIKE__
 157
 158     /* Helps SGI compilation, apparently */
 159 #    ifdef __SGI__
 160 #        ifdef __GNUG__
 161 #            define __need_wchar_t
 162 #        else /* !gcc */
 163             /*
 164                Note I use the term __SGI_CC__ for both cc and CC, its not a good
 165                idea to mix gcc and cc/CC, the name mangling is different
 166              */
 167 #            define __SGI_CC__
 168 #        endif /* gcc/!gcc */
 169 #    endif  /* SGI */
 170
 171 #    if defined(sun) || defined(__SUN__)
 172 #        ifndef __GNUG__
 173 #            ifndef __SUNCC__
 174 #                define __SUNCC__
 175 #            endif /* Sun CC */
 176 #        endif
 177 #    endif /* Sun */
 178
 179 #    ifdef __EMX__
 180 #        define OS2EMX_PLAIN_CHAR
 181 #    endif
 182
 183     /* define __HPUX__ for HP-UX where standard macro is __hpux */
 184 #    if defined(__hpux) && !defined(__HPUX__)
 185 #        define __HPUX__
 186 #    endif /* HP-UX */
 187
 188 #    if defined(__CYGWIN__) || defined(__WINE__)
 189 #        if !defined(wxSIZE_T_IS_UINT)
 190 #            define wxSIZE_T_IS_UINT
 191 #        endif
 192 #    endif
 193 #elif defined(applec) || \
 194       defined(THINK_C) || \
 195       (defined(__MWERKS__) && !defined(__INTEL__))
 196       /* MacOS */
 197 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 198 #        define wxSIZE_T_IS_ULONG
 199 #    endif
 200 #elif defined(__WXMAC__) && defined(__APPLE__)
 201     /* Mac OS X */
 202 #    define __UNIX_LIKE__
 203
 204     /*
 205       These defines are needed when compiling using Project Builder
 206       with a non generated setup0.h
 207     */
 208 #    ifndef __UNIX__
 209 #        define __UNIX__ 1
 210 #    endif
 211 #    ifndef __BSD__
 212 #        define __BSD__ 1
 213 #    endif
 214 #    ifndef __DARWIN__
 215 #        define __DARWIN__ 1
 216 #    endif
 217 #    ifndef __POWERPC__
 218 #        define __POWERPC__ 1
 219 #    endif
 220 #    ifndef TARGET_CARBON
 221 #        define TARGET_CARBON 1
 222 #    endif
 223
 224 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 225 #        define wxSIZE_T_IS_ULONG
 226 #    endif
 227     /*
 228        Some code has been added to workaround defects(?) in the
 229        bundled gcc compiler. These corrections are identified by
 230        __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
 231      */
 232 #elif defined(__OS2__)
 233 #    if defined(__IBMCPP__)
 234 #        define __VISAGEAVER__ __IBMCPP__
 235 #    endif
 236 #    ifndef __WXOS2__
 237 #        define __WXOS2__
 238 #    endif
 239 #    ifndef __WXPM__
 240 #        define __WXPM__
 241 #    endif
 242
 243     /* Place other OS/2 compiler environment defines here */
 244 #    if defined(__VISAGECPP__)
 245         /* VisualAge is the only thing that understands _Optlink */
 246 #        define LINKAGEMODE _Optlink
 247 #    endif
 248 #    define wxSIZE_T_IS_UINT
 249
 250 #else   /* Windows */
 251 #    ifndef __WINDOWS__
 252 #        define __WINDOWS__
 253 #    endif  /* Windows */
 254
 255     /* to be changed for Win64! */
 256 #    ifndef __WIN32__
 257 #        define __WIN16__
 258 #    endif
 259
 260     /*
 261        define another standard symbol for Microsoft Visual C++: the standard
 262        one (_MSC_VER) is also defined by Metrowerks compiler
 263      */
 264 #    if defined(_MSC_VER) && !defined(__MWERKS__)
 265 #        define __VISUALC__ _MSC_VER
 266 #    elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
 267 #        define __BORLANDC__
 268 #      elif defined(__WATCOMC__)
 269 #    elif defined(__SC__)
 270 #        define __SYMANTECC__
 271 #    endif  /* compiler */
 272
 273     /* size_t is the same as unsigned int for all Windows compilers we know, */
 274     /* so define it if it hadn't been done by configure yet */
 275 #    if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
 276 #        define wxSIZE_T_IS_UINT
 277 #    endif
 278 #endif  /* OS */
 279
 280 /*
 281    if we're on a Unix system but didn't use configure (so that setup.h didn't
 282    define __UNIX__), do define __UNIX__ now
 283  */
 284 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
 285 #    define __UNIX__
 286 #endif /* Unix */
 287
 288 #if defined(__HPUX__) && !defined(__WXGTK__)
 289 #    ifndef __WXMOTIF__
 290 #        define __WXMOTIF__
 291 #    endif /* __WXMOTIF__ */
 292 #endif
 293
 294 #if defined(__WXMOTIF__) || defined(__WXX11__)
 295 #    define __X__
 296 #endif
 297
 298 #ifdef __SC__
 299 #    ifdef __DMC__
 300 #         define __DIGITALMARS__
 301 #    else
 302 #         define __SYMANTEC__
 303 #    endif
 304 #endif
 305
 306 /*
 307    This macro can be used to test the gcc version and can be used like this:
 308
 309 #    if wxCHECK_GCC_VERSION(3, 1)
 310         ... we have gcc 3.1 or later ...
 311 #    else
 312         ... no gcc at all or gcc < 3.1 ...
 313 #    endif
 314 */
 315 #define wxCHECK_GCC_VERSION( major, minor ) \
 316     ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
 317     && ( ( __GNUC__ > (major) ) \
 318         || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
 319
 320 /*
 321    This macro can be used to check that the version of mingw32 compiler is
 322    at least maj.min
 323  */
 324 #if defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
 325     defined( __CYGWIN__ ) || \
 326     (defined(__WATCOMC__) && __WATCOMC__ >= 1200)
 327 #    include "wx/msw/gccpriv.h"
 328 #else
 329 #    undef wxCHECK_W32API_VERSION
 330 #    define wxCHECK_W32API_VERSION(maj, min) (0)
 331 #endif
 332
 333 #if defined (__WXMSW__)
 334 #    if !defined(__WATCOMC__)
 335 #        define wxHAVE_RAW_BITMAP
 336 #    endif
 337 #endif
 338
 339 #if defined (__WXMAC__)
 340 #    ifndef WORDS_BIGENDIAN
 341 #        define WORDS_BIGENDIAN 1
 342 #    endif
 343 #endif
 344
 345 /* Choose which method we will use for updating menus
 346  * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
 347  * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
 348  */
 349 #ifndef wxUSE_IDLEMENUUPDATES
 350 #    if defined(__WXMSW__) || defined(__WXGTK__)
 351 #        define wxUSE_IDLEMENUUPDATES 0
 352 #    else
 353 #        define wxUSE_IDLEMENUUPDATES 1
 354 #    endif
 355 #endif
 356
 357 /*
 358  * Define symbols that are not yet in
 359  * configure or possibly some setup.h files.
 360  * They will need to be added.
 361  */
 362
 363 #ifndef wxUSE_FILECONFIG
 364 #    if wxUSE_CONFIG
 365 #        define wxUSE_FILECONFIG 1
 366 #    else
 367 #        define wxUSE_FILECONFIG 0
 368 #    endif
 369 #endif
 370
 371 #ifndef wxUSE_HOTKEY
 372 #    define wxUSE_HOTKEY 0
 373 #endif
 374
 375 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
 376 #    define wxUSE_WXDIB 1
 377 #endif
 378
 379 #endif /* _WX_PLATFORM_H_ */
 380