availability does not include any other headers, but it provides the necessary macros...
[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 #ifdef __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 # include <AvailabilityMacros.h>
37 # ifdef __WXMAC_XCODE__
38 # include <unistd.h>
39 # include "wx/mac/carbon/config_xcode.h"
40 # endif
41 # else
42 # if TARGET_CARBON
43 # define __WXMAC_CARBON__
44 # else
45 # define __WXMAC_CLASSIC__
46 # endif
47 # endif
48 #endif
49
50 /*
51 __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
52 */
53 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
54 # define __WXOSX__
55 #endif
56
57 /*
58 first define Windows symbols if they're not defined on the command line: we
59 can autodetect everything we need if _WIN32 is defined
60 */
61 #if defined(__CYGWIN__) && defined(__WINDOWS__)
62 # ifndef __WXMSW__
63 # define __WXMSW__
64 # endif
65
66 # ifndef _WIN32
67 # define _WIN32
68 # endif
69
70 # ifndef WIN32
71 # define WIN32
72 # endif
73 #endif
74
75 #if defined(__PALMOS__)
76 # if __PALMOS__ == 0x06000000
77 # define __WXPALMOS6__
78 # endif
79 # if __PALMOS__ == 0x05000000
80 # define __WXPALMOS5__
81 # endif
82 # ifndef __WXPALMOS__
83 # define __WXPALMOS__
84 # endif
85 # ifdef __WXMSW__
86 # undef __WXMSW__
87 # endif
88 # ifdef __WINDOWS__
89 # undef __WINDOWS__
90 # endif
91 # ifdef __WIN32__
92 # undef __WIN32__
93 # endif
94 # ifdef WIN32
95 # undef WIN32
96 # endif
97 # ifdef _WIN32
98 # undef _WIN32
99 # endif
100 #endif
101
102 #if defined(_WIN64)
103 # ifndef _WIN32
104 /*
105 a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
106 Windows or to test for !__WIN16__, so we must define _WIN32 for
107 Win64 as well to ensure that the existing code continues to work.
108 */
109 # define _WIN32
110 # endif /* !_WIN32 */
111
112 # ifndef __WIN64__
113 # define __WIN64__
114 # endif /* !__WIN64__ */
115 #endif /* _WIN64 */
116
117 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
118 && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
119 # ifndef __WXMSW__
120 # define __WXMSW__
121 # endif
122
123 # ifndef __WIN32__
124 # define __WIN32__
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 /* detect MS SmartPhone */
135 #if defined( WIN32_PLATFORM_WFSP )
136 # ifndef __SMARTPHONE__
137 # define __SMARTPHONE__
138 # endif
139 # ifndef __WXWINCE__
140 # define __WXWINCE__
141 # endif
142 #endif
143
144 /* detect PocketPC */
145 #if defined( WIN32_PLATFORM_PSPC )
146 # ifndef __POCKETPC__
147 # define __POCKETPC__
148 # endif
149 # ifndef __WXWINCE__
150 # define __WXWINCE__
151 # endif
152 #endif
153
154 /* detect Standard WinCE SDK */
155 #if defined( WCE_PLATFORM_STANDARDSDK )
156 # ifndef __WINCE_STANDARDSDK__
157 # define __WINCE_STANDARDSDK__
158 # endif
159 # ifndef __WXWINCE__
160 # define __WXWINCE__
161 # endif
162 #endif
163
164 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
165 # if (_WIN32_WCE >= 400)
166 # ifndef __WINCE_NET__
167 # define __WINCE_NET__
168 # endif
169 # elif (_WIN32_WCE >= 200)
170 # ifndef __HANDHELDPC__
171 # define __HANDHELDPC__
172 # endif
173 # endif
174 # ifndef __WXWINCE__
175 # define __WXWINCE__
176 # endif
177 #endif
178
179 #if defined(__POCKETPC__) || defined(__SMARTPHONE__) || defined(__WXGPE__)
180 # define __WXHANDHELD__
181 #endif
182
183 /*
184 Include wx/setup.h for the Unix platform defines generated by configure and
185 the library compilation options
186
187 Note that it must be included before defining hardware symbols below as they
188 could be already defined by configure
189 */
190 #include "wx/setup.h"
191
192 /*
193 Hardware platform detection.
194
195 VC++ defines _M_xxx symbols.
196 */
197 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
198 #ifndef __INTEL__
199 #define __INTEL__
200 #endif
201 #endif /* x86 */
202
203 #if defined(_M_IA64)
204 #ifndef __IA64__
205 #define __IA64__
206 #endif
207 #endif /* ia64 */
208
209 #if defined(_M_MPPC) || defined(__PPC__)
210 #ifndef __POWERPC__
211 #define __POWERPC__
212 #endif
213 #endif /* alpha */
214
215 #if defined(_M_ALPHA) || defined(__AXP__)
216 #ifndef __ALPHA__
217 #define __ALPHA__
218 #endif
219 #endif /* alpha */
220
221
222 /*
223 adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
224 and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
225 the system headers so bring these settings in sync
226 */
227
228 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
229 #if defined(_UNICODE) || defined(UNICODE)
230 # undef wxUSE_UNICODE
231 # define wxUSE_UNICODE 1
232 #else /* !UNICODE */
233 # ifndef wxUSE_UNICODE
234 # define wxUSE_UNICODE 0
235 # endif
236 #endif /* UNICODE/!UNICODE */
237
238 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
239 #if wxUSE_UNICODE
240 # ifndef _UNICODE
241 # define _UNICODE
242 # endif
243 # ifndef UNICODE
244 # define UNICODE
245 # endif
246 #endif /* wxUSE_UNICODE */
247
248 #if defined( __MWERKS__ ) && !defined(__INTEL__)
249 /* otherwise MSL headers bring in WIN32 dependant APIs */
250 #undef UNICODE
251 #endif
252
253
254 /*
255 This macro can be used to test the Open Watcom version.
256 */
257 #ifndef __WATCOMC__
258 # define wxWATCOM_VERSION(major,minor) 0
259 # define wxCHECK_WATCOM_VERSION(major,minor) 0
260 # define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
261 #elif defined(__WATCOMC__) && __WATCOMC__ < 1200
262 # error "Only Open Watcom is supported in this release"
263 #else
264 # define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
265 # define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
266 # define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
267 #endif
268
269 /*
270 check the consistency of the settings in setup.h: note that this must be
271 done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
272 */
273 #include "wx/chkconf.h"
274
275
276 /*
277 some compilers don't support iostream.h any longer, while some of theme
278 are not updated with <iostream> yet, so override the users setting here
279 in such case.
280 */
281 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
282 # undef wxUSE_IOSTREAMH
283 # define wxUSE_IOSTREAMH 0
284 #elif defined(__DMC__) || defined(__WATCOMC__)
285 # undef wxUSE_IOSTREAMH
286 # define wxUSE_IOSTREAMH 1
287 #elif defined(__MINGW32__)
288 # undef wxUSE_IOSTREAMH
289 # define wxUSE_IOSTREAMH 0
290 #endif /* compilers with/without iostream.h */
291
292 /*
293 old C++ headers (like <iostream.h>) declare classes in the global namespace
294 while the new, standard ones (like <iostream>) do it in std:: namespace,
295 unless it's an old gcc version.
296
297 using this macro allows constuctions like "wxSTD iostream" to work in
298 either case
299 */
300 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
301 # define wxSTD std::
302 #else
303 # define wxSTD
304 #endif
305
306 /*
307 OS: first of all, test for MS-DOS platform. We must do this before testing
308 for Unix, because DJGPP compiler defines __unix__ under MS-DOS
309 */
310 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
311 # ifndef __DOS__
312 # define __DOS__
313 # endif
314 /* size_t is the same as unsigned int for Watcom 11 compiler, */
315 /* so define it if it hadn't been done by configure yet */
316 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
317 # ifdef __WATCOMC__
318 # define wxSIZE_T_IS_UINT
319 # endif
320 # ifdef __DJGPP__
321 # define wxSIZE_T_IS_ULONG
322 # endif
323 # endif
324
325 /*
326 OS: then test for generic Unix defines, then for particular flavours and
327 finally for Unix-like systems
328 */
329 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
330 defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
331 defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
332 defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
333
334 # define __UNIX_LIKE__
335
336 /* Helps SGI compilation, apparently */
337 # ifdef __SGI__
338 # ifdef __GNUG__
339 # define __need_wchar_t
340 # else /* !gcc */
341 /*
342 Note I use the term __SGI_CC__ for both cc and CC, its not a good
343 idea to mix gcc and cc/CC, the name mangling is different
344 */
345 # define __SGI_CC__
346 # endif /* gcc/!gcc */
347
348 /* system headers use this symbol and not __cplusplus in some places */
349 # ifndef _LANGUAGE_C_PLUS_PLUS
350 # define _LANGUAGE_C_PLUS_PLUS
351 # endif
352 # endif /* SGI */
353
354 # if defined(sun) || defined(__SUN__)
355 # ifndef __GNUG__
356 # ifndef __SUNCC__
357 # define __SUNCC__
358 # endif /* Sun CC */
359 # endif
360 # endif /* Sun */
361
362 # ifdef __EMX__
363 # define OS2EMX_PLAIN_CHAR
364 # endif
365
366 /* define __HPUX__ for HP-UX where standard macro is __hpux */
367 # if defined(__hpux) && !defined(__HPUX__)
368 # define __HPUX__
369 # endif /* HP-UX */
370
371 # if defined(__CYGWIN__) || defined(__WINE__)
372 # if !defined(wxSIZE_T_IS_UINT)
373 # define wxSIZE_T_IS_UINT
374 # endif
375 # endif
376 #elif defined(applec) || \
377 defined(THINK_C) || \
378 (defined(__MWERKS__) && !defined(__INTEL__))
379 /* MacOS */
380 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
381 # define wxSIZE_T_IS_ULONG
382 # endif
383 #elif defined(__WXMAC__) && defined(__APPLE__)
384 /* Mac OS X */
385 # define __UNIX_LIKE__
386
387 /*
388 These defines are needed when compiling using Project Builder
389 with a non generated setup0.h
390 */
391 # ifndef __UNIX__
392 # define __UNIX__ 1
393 # endif
394 # ifndef __BSD__
395 # define __BSD__ 1
396 # endif
397 # ifndef __DARWIN__
398 # define __DARWIN__ 1
399 # endif
400 # ifndef __POWERPC__
401 # define __POWERPC__ 1
402 # endif
403 # ifndef TARGET_CARBON
404 # define TARGET_CARBON 1
405 # endif
406
407 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
408 # define wxSIZE_T_IS_ULONG
409 # endif
410 /*
411 Some code has been added to workaround defects(?) in the
412 bundled gcc compiler. These corrections are identified by
413 __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
414 */
415 #elif defined(__OS2__)
416
417 /* wxOS2 vs. non wxOS2 ports on OS2 platform */
418 # if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
419 # ifndef __WXPM__
420 # define __WXPM__
421 # endif
422 # endif
423
424 # if defined(__IBMCPP__)
425 # define __VISAGEAVER__ __IBMCPP__
426 # endif
427
428 /* Place other OS/2 compiler environment defines here */
429 # if defined(__VISAGECPP__)
430 /* VisualAge is the only thing that understands _Optlink */
431 # define LINKAGEMODE _Optlink
432 # endif
433 # define wxSIZE_T_IS_UINT
434
435 #elif defined(__PALMOS__)
436 # ifdef __WIN32__
437 # error "__WIN32__ should not be defined for PalmOS"
438 # endif
439 # ifdef __WINDOWS__
440 # error "__WINDOWS__ should not be defined for PalmOS"
441 # endif
442 # ifdef __WXMSW__
443 # error "__WXMSW__ should not be defined for PalmOS"
444 # endif
445
446 #else /* Windows */
447 # ifndef __WINDOWS__
448 # define __WINDOWS__
449 # endif /* Windows */
450
451 /* to be changed for Win64! */
452 # ifndef __WIN32__
453 # error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
454 # endif
455
456 /*
457 define another standard symbol for Microsoft Visual C++: the standard
458 one (_MSC_VER) is also defined by Metrowerks compiler
459 */
460 # if defined(_MSC_VER) && !defined(__MWERKS__)
461 # define __VISUALC__ _MSC_VER
462 # elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
463 # define __BORLANDC__
464 # elif defined(__WATCOMC__)
465 # elif defined(__SC__)
466 # define __SYMANTECC__
467 # endif /* compiler */
468
469 /* size_t is the same as unsigned int for all Windows compilers we know, */
470 /* so define it if it hadn't been done by configure yet */
471 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
472 # define wxSIZE_T_IS_UINT
473 # endif
474 #endif /* OS */
475
476 /*
477 if we're on a Unix system but didn't use configure (so that setup.h didn't
478 define __UNIX__), do define __UNIX__ now
479 */
480 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
481 # define __UNIX__
482 #endif /* Unix */
483
484 #if defined(__WXMOTIF__) || defined(__WXX11__)
485 # define __X__
486 #endif
487
488 #ifdef __SC__
489 # ifdef __DMC__
490 # define __DIGITALMARS__
491 # else
492 # define __SYMANTEC__
493 # endif
494 #endif
495
496 #ifdef __INTEL_COMPILER
497 # define __INTELC__
498 #endif
499
500 /*
501 We get "Large Files (ILP32) not supported in strict ANSI mode." #error
502 from HP-UX standard headers when compiling with g++ without this:
503 */
504 #if defined(__HPUX__) && !defined(__STDC_EXT__)
505 # define __STDC_EXT__ 1
506 #endif
507
508 /* Force linking against required libraries under Windows: */
509 #ifdef __WXWINCE__
510 # include "wx/msw/wince/libraries.h"
511 #elif defined __WINDOWS__
512 # include "wx/msw/libraries.h"
513 #endif
514
515 /*
516 This macro can be used to test the gcc version and can be used like this:
517
518 # if wxCHECK_GCC_VERSION(3, 1)
519 ... we have gcc 3.1 or later ...
520 # else
521 ... no gcc at all or gcc < 3.1 ...
522 # endif
523 */
524 #if defined(__GNUC__) && defined(__GNUC_MINOR__)
525 #define wxCHECK_GCC_VERSION( major, minor ) \
526 ( ( __GNUC__ > (major) ) \
527 || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
528 #else
529 #define wxCHECK_GCC_VERSION( major, minor ) 0
530 #endif
531
532 /*
533 This macro can be used to check that the version of mingw32 compiler is
534 at least maj.min
535 */
536 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
537 ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
538 wxCHECK_WATCOM_VERSION(1,0) ) && \
539 !defined(__DOS__) && \
540 !defined(__WXPM__) && \
541 !defined(__WXMOTIF__) && \
542 !defined(__WXGTK__) && \
543 !defined(__WXX11__) && \
544 !defined(__WXPALMOS__)
545 # include "wx/msw/gccpriv.h"
546 #else
547 # undef wxCHECK_W32API_VERSION
548 # define wxCHECK_W32API_VERSION(maj, min) (0)
549 #endif
550
551 #if defined (__WXMSW__)
552 # if !defined(__WATCOMC__)
553 # define wxHAVE_RAW_BITMAP
554 # endif
555 #endif
556
557 #if defined (__WXMAC__)
558 # if ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
559 # define WORDS_BIGENDIAN 1
560 # else
561 # undef WORDS_BIGENDIAN
562 # endif
563 #endif
564
565 /* Choose which method we will use for updating menus
566 * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
567 * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
568 */
569 #ifndef wxUSE_IDLEMENUUPDATES
570 # if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
571 # define wxUSE_IDLEMENUUPDATES 0
572 # else
573 # define wxUSE_IDLEMENUUPDATES 1
574 # endif
575 #endif
576
577 /*
578 * Define symbols that are not yet in
579 * configure or possibly some setup.h files.
580 * They will need to be added.
581 */
582
583 #ifndef wxUSE_FILECONFIG
584 # if wxUSE_CONFIG
585 # define wxUSE_FILECONFIG 1
586 # else
587 # define wxUSE_FILECONFIG 0
588 # endif
589 #endif
590
591 #ifndef wxUSE_HOTKEY
592 # define wxUSE_HOTKEY 0
593 #endif
594
595 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
596 # define wxUSE_WXDIB 1
597 #endif
598
599 /*
600 We need AvailabilityMacros.h for ifdefing out things that don't exist on
601 OSX 10.2 and lower
602 FIXME: We need a better way to detect for 10.3 then including a system header
603 */
604 #ifdef __DARWIN__
605 #include <AvailabilityMacros.h>
606 #endif
607
608 #endif /* _WX_PLATFORM_H_ */