Revert Cygwin changes
[wxWidgets.git] / 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 Vadim Zeitlin
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__
35 # define __WXMAC_CARBON__
36 # ifdef __WXMAC_XCODE__
37 # include <unistd.h>
38 # include "wx/mac/carbon/config_xcode.h"
39 # endif
40 # else
41 # if TARGET_CARBON
42 # define __WXMAC_CARBON__
43 # else
44 # define __WXMAC_CLASSIC__
45 # endif
46 # endif
47 #endif
48
49 /*
50 __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
51 */
52 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
53 # define __WXOSX__
54 #endif
55
56 /*
57 first define Windows symbols if they're not defined on the command line: we
58 can autodetect everything we need if _WIN32 is defined
59 */
60 #if defined(__CYGWIN32__) && !defined(__WXMOTIF__) && !defined(__WXGTK__) \
61 && !defined(__WXX11__)
62 /* for Cygwin, default to wxMSW unless otherwise specified */
63 # ifndef __WXMSW__
64 # define __WXMSW__
65 # endif
66
67 # ifndef _WIN32
68 # define _WIN32
69 # endif
70
71 # ifndef WIN32
72 # define WIN32
73 # endif
74 #endif
75
76 #if defined(__PALMOS__)
77 # ifndef __WXPALMOS__
78 # define __WXPALMOS__
79 # endif
80 # ifdef __WXMSW__
81 # undef __WXMSW__
82 # endif
83 # ifdef __WINDOWS__
84 # undef __WINDOWS__
85 # endif
86 # ifdef __WIN32__
87 # undef __WIN32__
88 # endif
89 # ifdef WIN32
90 # undef WIN32
91 # endif
92 # ifdef _WIN32
93 # undef _WIN32
94 # endif
95 #endif
96
97 #if defined(_WIN64)
98 # ifndef _WIN32
99 /*
100 a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
101 Windows or to test for !__WIN16__, so we must define _WIN32 for
102 Win64 as well to ensure that the existing code continues to work.
103 */
104 # define _WIN32
105 # endif /* !_WIN32 */
106
107 # ifndef __WIN64__
108 # define __WIN64__
109 # endif /* !__WIN64__ */
110 #endif /* _WIN64 */
111
112 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
113 && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
114 # ifndef __WXMSW__
115 # define __WXMSW__
116 # endif
117
118 # ifndef __WIN32__
119 # define __WIN32__
120 # endif
121
122 /* this means Win95-style UI, i.e. Win9x/NT 4+: always true now */
123 # if !defined(__WIN95__)
124 # define __WIN95__
125 # endif
126 #endif /* Win32 */
127
128 #if defined(__WXMSW__) || defined(__WIN32__)
129 # if !defined(__WINDOWS__)
130 # define __WINDOWS__
131 # endif
132 #endif
133
134 #ifdef __WINE__
135 # ifndef __WIN95__
136 # define __WIN95__
137 # endif
138 #endif /* WINE */
139
140 /* detect MS SmartPhone */
141 #if defined( WIN32_PLATFORM_WFSP )
142 # ifndef __SMARTPHONE__
143 # define __SMARTPHONE__
144 # endif
145 # ifndef __WXWINCE__
146 # define __WXWINCE__
147 # endif
148 #endif
149
150 /* detect PocketPC */
151 #if defined( WIN32_PLATFORM_PSPC )
152 # ifndef __POCKETPC__
153 # define __POCKETPC__
154 # endif
155 # ifndef __WXWINCE__
156 # define __WXWINCE__
157 # endif
158 #endif
159
160 /* detect Standard WinCE SDK */
161 #if defined( WCE_PLATFORM_STANDARDSDK )
162 # ifndef __WINCE_STANDARDSDK__
163 # define __WINCE_STANDARDSDK__
164 # endif
165 # ifndef __WXWINCE__
166 # define __WXWINCE__
167 # endif
168 #endif
169
170 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
171 # if (_WIN32_WCE >= 400)
172 # ifndef __WINCE_NET__
173 # define __WINCE_NET__
174 # endif
175 # elif (_WIN32_WCE >= 200)
176 # ifndef __HANDHELDPC__
177 # define __HANDHELDPC__
178 # endif
179 # endif
180 # ifndef __WXWINCE__
181 # define __WXWINCE__
182 # endif
183 #endif
184
185 /*
186 Hardware platform detection.
187
188 VC++ defines _M_xxx symbols.
189 */
190 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
191 #ifndef __INTEL__
192 #define __INTEL__
193 #endif
194 #endif /* x86 */
195
196 #if defined(_M_IA64)
197 #ifndef __IA64__
198 #define __IA64__
199 #endif
200 #endif /* ia64 */
201
202 #if defined(_M_MPPC) || defined(__PPC__)
203 #ifndef __POWERPC__
204 #define __POWERPC__
205 #endif
206 #endif /* alpha */
207
208 #if defined(_M_ALPHA) || defined(__AXP__)
209 #ifndef __ALPHA__
210 #define __ALPHA__
211 #endif
212 #endif /* alpha */
213
214 /*
215 Include wx/setup.h for the Unix platform defines generated by configure and
216 the library compilation options
217 */
218 #include "wx/setup.h"
219
220 /*
221 adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
222 and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
223 the system headers so bring these settings in sync
224 */
225
226 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
227 #if defined(_UNICODE) || defined(UNICODE)
228 # undef wxUSE_UNICODE
229 # define wxUSE_UNICODE 1
230 #else /* !UNICODE */
231 # ifndef wxUSE_UNICODE
232 # define wxUSE_UNICODE 0
233 # endif
234 #endif /* UNICODE/!UNICODE */
235
236 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
237 #if wxUSE_UNICODE
238 # ifndef _UNICODE
239 # define _UNICODE
240 # endif
241 # ifndef UNICODE
242 # define UNICODE
243 # endif
244 #endif /* wxUSE_UNICODE */
245
246 #if defined( __MWERKS__ ) && !defined(__INTEL__)
247 // otherwise MSL headers bring in WIN32 dependant APIs
248 #undef UNICODE
249 #endif
250
251
252 /*
253 check the consistency of the settings in setup.h: note that this must be
254 done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
255 */
256 #include "wx/chkconf.h"
257
258
259 /*
260 some compilers don't support iostream.h any longer, while some of theme
261 are not updated with <iostream> yet, so override the users setting here
262 in such case.
263 */
264 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
265 # undef wxUSE_IOSTREAMH
266 # define wxUSE_IOSTREAMH 0
267 #elif defined(__DMC__) || defined(__WATCOMC__)
268 # undef wxUSE_IOSTREAMH
269 # define wxUSE_IOSTREAMH 1
270 #elif defined(__MINGW32__)
271 # undef wxUSE_IOSTREAMH
272 # define wxUSE_IOSTREAMH 0
273 #endif /* compilers with/without iostream.h */
274
275 /*
276 old C++ headers (like <iostream.h>) declare classes in the global namespace
277 while the new, standard ones (like <iostream>) do it in std:: namespace,
278 unless it's an old gcc version.
279
280 using this macro allows constuctions like "wxSTD iostream" to work in
281 either case
282 */
283 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
284 # define wxSTD std::
285 #else
286 # define wxSTD
287 #endif
288
289 /*
290 OS: first of all, test for MS-DOS platform. We must do this before testing
291 for Unix, because DJGPP compiler defines __unix__ under MS-DOS
292 */
293 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
294 # ifndef __DOS__
295 # define __DOS__
296 # endif
297 /* size_t is the same as unsigned int for Watcom 11 compiler, */
298 /* so define it if it hadn't been done by configure yet */
299 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
300 # ifdef __WATCOMC__
301 # define wxSIZE_T_IS_UINT
302 # endif
303 # ifdef __DJGPP__
304 # define wxSIZE_T_IS_ULONG
305 # endif
306 # endif
307
308 /*
309 OS: then test for generic Unix defines, then for particular flavours and
310 finally for Unix-like systems
311 */
312 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
313 defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
314 defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
315 defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
316
317 # define __UNIX_LIKE__
318
319 /* Helps SGI compilation, apparently */
320 # ifdef __SGI__
321 # ifdef __GNUG__
322 # define __need_wchar_t
323 # else /* !gcc */
324 /*
325 Note I use the term __SGI_CC__ for both cc and CC, its not a good
326 idea to mix gcc and cc/CC, the name mangling is different
327 */
328 # define __SGI_CC__
329 # endif /* gcc/!gcc */
330 # endif /* SGI */
331
332 # if defined(sun) || defined(__SUN__)
333 # ifndef __GNUG__
334 # ifndef __SUNCC__
335 # define __SUNCC__
336 # endif /* Sun CC */
337 # endif
338 # endif /* Sun */
339
340 # ifdef __EMX__
341 # define OS2EMX_PLAIN_CHAR
342 # endif
343
344 /* define __HPUX__ for HP-UX where standard macro is __hpux */
345 # if defined(__hpux) && !defined(__HPUX__)
346 # define __HPUX__
347 # endif /* HP-UX */
348
349 # if defined(__CYGWIN__) || defined(__WINE__)
350 # if !defined(wxSIZE_T_IS_UINT)
351 # define wxSIZE_T_IS_UINT
352 # endif
353 # endif
354 #elif defined(applec) || \
355 defined(THINK_C) || \
356 (defined(__MWERKS__) && !defined(__INTEL__))
357 /* MacOS */
358 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
359 # define wxSIZE_T_IS_ULONG
360 # endif
361 #elif defined(__WXMAC__) && defined(__APPLE__)
362 /* Mac OS X */
363 # define __UNIX_LIKE__
364
365 /*
366 These defines are needed when compiling using Project Builder
367 with a non generated setup0.h
368 */
369 # ifndef __UNIX__
370 # define __UNIX__ 1
371 # endif
372 # ifndef __BSD__
373 # define __BSD__ 1
374 # endif
375 # ifndef __DARWIN__
376 # define __DARWIN__ 1
377 # endif
378 # ifndef __POWERPC__
379 # define __POWERPC__ 1
380 # endif
381 # ifndef TARGET_CARBON
382 # define TARGET_CARBON 1
383 # endif
384
385 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
386 # define wxSIZE_T_IS_ULONG
387 # endif
388 /*
389 Some code has been added to workaround defects(?) in the
390 bundled gcc compiler. These corrections are identified by
391 __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
392 */
393 #elif defined(__OS2__)
394 # if defined(__IBMCPP__)
395 # define __VISAGEAVER__ __IBMCPP__
396 # endif
397 # ifndef __WXOS2__
398 # define __WXOS2__
399 # endif
400 # ifndef __WXPM__
401 # define __WXPM__
402 # endif
403
404 /* Place other OS/2 compiler environment defines here */
405 # if defined(__VISAGECPP__)
406 /* VisualAge is the only thing that understands _Optlink */
407 # define LINKAGEMODE _Optlink
408 # endif
409 # define wxSIZE_T_IS_UINT
410
411 #elif defined(__PALMOS__)
412 # ifdef __WIN32__
413 # error "__WIN32__ should not be defined for PalmOS"
414 # endif
415 # ifdef __WINDOWS__
416 # error "__WINDOWS__ should not be defined for PalmOS"
417 # endif
418 # ifdef __WXMSW__
419 # error "__WXMSW__ should not be defined for PalmOS"
420 # endif
421
422 #else /* Windows */
423 # ifndef __WINDOWS__
424 # define __WINDOWS__
425 # endif /* Windows */
426
427 /* to be changed for Win64! */
428 # ifndef __WIN32__
429 # error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
430 # endif
431
432 /*
433 define another standard symbol for Microsoft Visual C++: the standard
434 one (_MSC_VER) is also defined by Metrowerks compiler
435 */
436 # if defined(_MSC_VER) && !defined(__MWERKS__)
437 # define __VISUALC__ _MSC_VER
438 # elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
439 # define __BORLANDC__
440 # elif defined(__WATCOMC__)
441 # elif defined(__SC__)
442 # define __SYMANTECC__
443 # endif /* compiler */
444
445 /* size_t is the same as unsigned int for all Windows compilers we know, */
446 /* so define it if it hadn't been done by configure yet */
447 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
448 # define wxSIZE_T_IS_UINT
449 # endif
450 #endif /* OS */
451
452 /*
453 if we're on a Unix system but didn't use configure (so that setup.h didn't
454 define __UNIX__), do define __UNIX__ now
455 */
456 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
457 # define __UNIX__
458 #endif /* Unix */
459
460 #if defined(__WXMOTIF__) || defined(__WXX11__)
461 # define __X__
462 #endif
463
464 #ifdef __SC__
465 # ifdef __DMC__
466 # define __DIGITALMARS__
467 # else
468 # define __SYMANTEC__
469 # endif
470 #endif
471
472 /* Force linking against required libraries under Windows CE: */
473 #ifdef __WXWINCE__
474 # include "wx/msw/wince/libraries.h"
475 #endif
476
477 /* Force inclusion of main PalmOS header: */
478 #ifdef __WXPALMOS__
479 # include <PalmOS.h>
480 # undef Abs
481 #endif
482
483 /*
484 This macro can be used to test the gcc version and can be used like this:
485
486 # if wxCHECK_GCC_VERSION(3, 1)
487 ... we have gcc 3.1 or later ...
488 # else
489 ... no gcc at all or gcc < 3.1 ...
490 # endif
491 */
492 #define wxCHECK_GCC_VERSION( major, minor ) \
493 ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
494 && ( ( __GNUC__ > (major) ) \
495 || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
496
497 /*
498 This macro can be used to check that the version of mingw32 compiler is
499 at least maj.min
500 */
501 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
502 defined( __CYGWIN__ ) || \
503 (defined(__WATCOMC__) && __WATCOMC__ >= 1200) ) && \
504 !defined(__DOS__) && \
505 !defined(__WXMOTIF__) && \
506 !defined(__WXGTK__) && \
507 !defined(__WXX11__) && \
508 !defined(__WXPALMOS__)
509 # include "wx/msw/gccpriv.h"
510 #else
511 # undef wxCHECK_W32API_VERSION
512 # define wxCHECK_W32API_VERSION(maj, min) (0)
513 #endif
514
515 #if defined (__WXMSW__)
516 # if !defined(__WATCOMC__)
517 # define wxHAVE_RAW_BITMAP
518 # endif
519 #endif
520
521 #if defined (__WXMAC__)
522 # if !defined(WORDS_BIGENDIAN) && ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
523 # define WORDS_BIGENDIAN 1
524 # endif
525 #endif
526
527 /* Choose which method we will use for updating menus
528 * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
529 * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
530 */
531 #ifndef wxUSE_IDLEMENUUPDATES
532 # if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
533 # define wxUSE_IDLEMENUUPDATES 0
534 # else
535 # define wxUSE_IDLEMENUUPDATES 1
536 # endif
537 #endif
538
539 /*
540 * Define symbols that are not yet in
541 * configure or possibly some setup.h files.
542 * They will need to be added.
543 */
544
545 #ifndef wxUSE_FILECONFIG
546 # if wxUSE_CONFIG
547 # define wxUSE_FILECONFIG 1
548 # else
549 # define wxUSE_FILECONFIG 0
550 # endif
551 #endif
552
553 #ifndef wxUSE_HOTKEY
554 # define wxUSE_HOTKEY 0
555 #endif
556
557 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
558 # define wxUSE_WXDIB 1
559 #endif
560
561 /*
562 We need AvailabilityMacros.h for ifdefing out things that don't exist on
563 OSX 10.2 and lower
564 FIXME: We need a better way to detect for 10.3 then including a system header
565 */
566 #ifdef __DARWIN__
567 #include <AvailabilityMacros.h>
568 #endif
569
570 #endif /* _WX_PLATFORM_H_ */
571