Applied patch [ 1306443 ] Removal of C++-style comments from C files
[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 # 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(__CYGWIN__) && defined(__WINDOWS__)
61 # ifndef __WXMSW__
62 # define __WXMSW__
63 # endif
64
65 # ifndef _WIN32
66 # define _WIN32
67 # endif
68
69 # ifndef WIN32
70 # define WIN32
71 # endif
72 #endif
73
74 #if defined(__PALMOS__)
75 # ifndef __WXPALMOS__
76 # define __WXPALMOS__
77 # endif
78 # ifdef __WXMSW__
79 # undef __WXMSW__
80 # endif
81 # ifdef __WINDOWS__
82 # undef __WINDOWS__
83 # endif
84 # ifdef __WIN32__
85 # undef __WIN32__
86 # endif
87 # ifdef WIN32
88 # undef WIN32
89 # endif
90 # ifdef _WIN32
91 # undef _WIN32
92 # endif
93 #endif
94
95 #if defined(_WIN64)
96 # ifndef _WIN32
97 /*
98 a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
99 Windows or to test for !__WIN16__, so we must define _WIN32 for
100 Win64 as well to ensure that the existing code continues to work.
101 */
102 # define _WIN32
103 # endif /* !_WIN32 */
104
105 # ifndef __WIN64__
106 # define __WIN64__
107 # endif /* !__WIN64__ */
108 #endif /* _WIN64 */
109
110 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
111 && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
112 # ifndef __WXMSW__
113 # define __WXMSW__
114 # endif
115
116 # ifndef __WIN32__
117 # define __WIN32__
118 # endif
119 #endif /* Win32 */
120
121 #if defined(__WXMSW__) || defined(__WIN32__)
122 # if !defined(__WINDOWS__)
123 # define __WINDOWS__
124 # endif
125 #endif
126
127 /* detect MS SmartPhone */
128 #if defined( WIN32_PLATFORM_WFSP )
129 # ifndef __SMARTPHONE__
130 # define __SMARTPHONE__
131 # endif
132 # ifndef __WXWINCE__
133 # define __WXWINCE__
134 # endif
135 #endif
136
137 /* detect PocketPC */
138 #if defined( WIN32_PLATFORM_PSPC )
139 # ifndef __POCKETPC__
140 # define __POCKETPC__
141 # endif
142 # ifndef __WXWINCE__
143 # define __WXWINCE__
144 # endif
145 #endif
146
147 /* detect Standard WinCE SDK */
148 #if defined( WCE_PLATFORM_STANDARDSDK )
149 # ifndef __WINCE_STANDARDSDK__
150 # define __WINCE_STANDARDSDK__
151 # endif
152 # ifndef __WXWINCE__
153 # define __WXWINCE__
154 # endif
155 #endif
156
157 #if defined(_WIN32_WCE) && !defined(WIN32_PLATFORM_WFSP) && !defined(WIN32_PLATFORM_PSPC)
158 # if (_WIN32_WCE >= 400)
159 # ifndef __WINCE_NET__
160 # define __WINCE_NET__
161 # endif
162 # elif (_WIN32_WCE >= 200)
163 # ifndef __HANDHELDPC__
164 # define __HANDHELDPC__
165 # endif
166 # endif
167 # ifndef __WXWINCE__
168 # define __WXWINCE__
169 # endif
170 #endif
171
172 /*
173 Include wx/setup.h for the Unix platform defines generated by configure and
174 the library compilation options
175
176 Note that it must be included before defining hardware symbols below as they
177 could be already defined by configure
178 */
179 #include "wx/setup.h"
180
181 /*
182 Hardware platform detection.
183
184 VC++ defines _M_xxx symbols.
185 */
186 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
187 #ifndef __INTEL__
188 #define __INTEL__
189 #endif
190 #endif /* x86 */
191
192 #if defined(_M_IA64)
193 #ifndef __IA64__
194 #define __IA64__
195 #endif
196 #endif /* ia64 */
197
198 #if defined(_M_MPPC) || defined(__PPC__)
199 #ifndef __POWERPC__
200 #define __POWERPC__
201 #endif
202 #endif /* alpha */
203
204 #if defined(_M_ALPHA) || defined(__AXP__)
205 #ifndef __ALPHA__
206 #define __ALPHA__
207 #endif
208 #endif /* alpha */
209
210
211 /*
212 adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
213 and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
214 the system headers so bring these settings in sync
215 */
216
217 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
218 #if defined(_UNICODE) || defined(UNICODE)
219 # undef wxUSE_UNICODE
220 # define wxUSE_UNICODE 1
221 #else /* !UNICODE */
222 # ifndef wxUSE_UNICODE
223 # define wxUSE_UNICODE 0
224 # endif
225 #endif /* UNICODE/!UNICODE */
226
227 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
228 #if wxUSE_UNICODE
229 # ifndef _UNICODE
230 # define _UNICODE
231 # endif
232 # ifndef UNICODE
233 # define UNICODE
234 # endif
235 #endif /* wxUSE_UNICODE */
236
237 #if defined( __MWERKS__ ) && !defined(__INTEL__)
238 /* otherwise MSL headers bring in WIN32 dependant APIs */
239 #undef UNICODE
240 #endif
241
242
243 /*
244 This macro can be used to test the Open Watcom version.
245 */
246 #ifndef __WATCOMC__
247 # define wxWATCOM_VERSION(major,minor) 0
248 # define wxCHECK_WATCOM_VERSION(major,minor) 0
249 # define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
250 #elif defined(__WATCOMC__) && __WATCOMC__ < 1200
251 # error "Only Open Watcom is supported in this release"
252 #else
253 # define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
254 # define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
255 # define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
256 #endif
257
258 /*
259 check the consistency of the settings in setup.h: note that this must be
260 done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
261 */
262 #include "wx/chkconf.h"
263
264
265 /*
266 some compilers don't support iostream.h any longer, while some of theme
267 are not updated with <iostream> yet, so override the users setting here
268 in such case.
269 */
270 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
271 # undef wxUSE_IOSTREAMH
272 # define wxUSE_IOSTREAMH 0
273 #elif defined(__DMC__) || defined(__WATCOMC__)
274 # undef wxUSE_IOSTREAMH
275 # define wxUSE_IOSTREAMH 1
276 #elif defined(__MINGW32__)
277 # undef wxUSE_IOSTREAMH
278 # define wxUSE_IOSTREAMH 0
279 #endif /* compilers with/without iostream.h */
280
281 /*
282 old C++ headers (like <iostream.h>) declare classes in the global namespace
283 while the new, standard ones (like <iostream>) do it in std:: namespace,
284 unless it's an old gcc version.
285
286 using this macro allows constuctions like "wxSTD iostream" to work in
287 either case
288 */
289 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
290 # define wxSTD std::
291 #else
292 # define wxSTD
293 #endif
294
295 /*
296 OS: first of all, test for MS-DOS platform. We must do this before testing
297 for Unix, because DJGPP compiler defines __unix__ under MS-DOS
298 */
299 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
300 # ifndef __DOS__
301 # define __DOS__
302 # endif
303 /* size_t is the same as unsigned int for Watcom 11 compiler, */
304 /* so define it if it hadn't been done by configure yet */
305 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
306 # ifdef __WATCOMC__
307 # define wxSIZE_T_IS_UINT
308 # endif
309 # ifdef __DJGPP__
310 # define wxSIZE_T_IS_ULONG
311 # endif
312 # endif
313
314 /*
315 OS: then test for generic Unix defines, then for particular flavours and
316 finally for Unix-like systems
317 */
318 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
319 defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
320 defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
321 defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
322
323 # define __UNIX_LIKE__
324
325 /* Helps SGI compilation, apparently */
326 # ifdef __SGI__
327 # ifdef __GNUG__
328 # define __need_wchar_t
329 # else /* !gcc */
330 /*
331 Note I use the term __SGI_CC__ for both cc and CC, its not a good
332 idea to mix gcc and cc/CC, the name mangling is different
333 */
334 # define __SGI_CC__
335 # endif /* gcc/!gcc */
336
337 /* system headers use this symbol and not __cplusplus in some places */
338 # ifndef _LANGUAGE_C_PLUS_PLUS
339 # define _LANGUAGE_C_PLUS_PLUS
340 # endif
341 # endif /* SGI */
342
343 # if defined(sun) || defined(__SUN__)
344 # ifndef __GNUG__
345 # ifndef __SUNCC__
346 # define __SUNCC__
347 # endif /* Sun CC */
348 # endif
349 # endif /* Sun */
350
351 # ifdef __EMX__
352 # define OS2EMX_PLAIN_CHAR
353 # endif
354
355 /* define __HPUX__ for HP-UX where standard macro is __hpux */
356 # if defined(__hpux) && !defined(__HPUX__)
357 # define __HPUX__
358 # endif /* HP-UX */
359
360 # if defined(__CYGWIN__) || defined(__WINE__)
361 # if !defined(wxSIZE_T_IS_UINT)
362 # define wxSIZE_T_IS_UINT
363 # endif
364 # endif
365 #elif defined(applec) || \
366 defined(THINK_C) || \
367 (defined(__MWERKS__) && !defined(__INTEL__))
368 /* MacOS */
369 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
370 # define wxSIZE_T_IS_ULONG
371 # endif
372 #elif defined(__WXMAC__) && defined(__APPLE__)
373 /* Mac OS X */
374 # define __UNIX_LIKE__
375
376 /*
377 These defines are needed when compiling using Project Builder
378 with a non generated setup0.h
379 */
380 # ifndef __UNIX__
381 # define __UNIX__ 1
382 # endif
383 # ifndef __BSD__
384 # define __BSD__ 1
385 # endif
386 # ifndef __DARWIN__
387 # define __DARWIN__ 1
388 # endif
389 # ifndef __POWERPC__
390 # define __POWERPC__ 1
391 # endif
392 # ifndef TARGET_CARBON
393 # define TARGET_CARBON 1
394 # endif
395
396 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
397 # define wxSIZE_T_IS_ULONG
398 # endif
399 /*
400 Some code has been added to workaround defects(?) in the
401 bundled gcc compiler. These corrections are identified by
402 __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
403 */
404 #elif defined(__OS2__)
405
406 /* wxOS2 vs. non wxOS2 ports on OS2 platform */
407 # if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
408 # ifndef __WXPM__
409 # define __WXPM__
410 # endif
411 # endif
412
413 # if defined(__IBMCPP__)
414 # define __VISAGEAVER__ __IBMCPP__
415 # endif
416
417 /* Place other OS/2 compiler environment defines here */
418 # if defined(__VISAGECPP__)
419 /* VisualAge is the only thing that understands _Optlink */
420 # define LINKAGEMODE _Optlink
421 # endif
422 # define wxSIZE_T_IS_UINT
423
424 #elif defined(__PALMOS__)
425 # ifdef __WIN32__
426 # error "__WIN32__ should not be defined for PalmOS"
427 # endif
428 # ifdef __WINDOWS__
429 # error "__WINDOWS__ should not be defined for PalmOS"
430 # endif
431 # ifdef __WXMSW__
432 # error "__WXMSW__ should not be defined for PalmOS"
433 # endif
434
435 #else /* Windows */
436 # ifndef __WINDOWS__
437 # define __WINDOWS__
438 # endif /* Windows */
439
440 /* to be changed for Win64! */
441 # ifndef __WIN32__
442 # error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
443 # endif
444
445 /*
446 define another standard symbol for Microsoft Visual C++: the standard
447 one (_MSC_VER) is also defined by Metrowerks compiler
448 */
449 # if defined(_MSC_VER) && !defined(__MWERKS__)
450 # define __VISUALC__ _MSC_VER
451 # elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
452 # define __BORLANDC__
453 # elif defined(__WATCOMC__)
454 # elif defined(__SC__)
455 # define __SYMANTECC__
456 # endif /* compiler */
457
458 /* size_t is the same as unsigned int for all Windows compilers we know, */
459 /* so define it if it hadn't been done by configure yet */
460 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
461 # define wxSIZE_T_IS_UINT
462 # endif
463 #endif /* OS */
464
465 /*
466 if we're on a Unix system but didn't use configure (so that setup.h didn't
467 define __UNIX__), do define __UNIX__ now
468 */
469 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
470 # define __UNIX__
471 #endif /* Unix */
472
473 #if defined(__WXMOTIF__) || defined(__WXX11__)
474 # define __X__
475 #endif
476
477 #ifdef __SC__
478 # ifdef __DMC__
479 # define __DIGITALMARS__
480 # else
481 # define __SYMANTEC__
482 # endif
483 #endif
484
485 #ifdef __INTEL_COMPILER
486 # define __INTELC__
487 #endif
488
489 /*
490 We get "Large Files (ILP32) not supported in strict ANSI mode." #error
491 from HP-UX standard headers when compiling with g++ without this:
492 */
493 #if defined(__HPUX__) && !defined(__STDC_EXT__)
494 # define __STDC_EXT__ 1
495 #endif
496
497 /* Force linking against required libraries under Windows: */
498 #ifdef __WXWINCE__
499 # include "wx/msw/wince/libraries.h"
500 #elif defined __WINDOWS__
501 # include "wx/msw/libraries.h"
502 #endif
503
504 /*
505 This macro can be used to test the gcc version and can be used like this:
506
507 # if wxCHECK_GCC_VERSION(3, 1)
508 ... we have gcc 3.1 or later ...
509 # else
510 ... no gcc at all or gcc < 3.1 ...
511 # endif
512 */
513 #define wxCHECK_GCC_VERSION( major, minor ) \
514 ( defined(__GNUC__) && defined(__GNUC_MINOR__) \
515 && ( ( __GNUC__ > (major) ) \
516 || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) ) )
517
518 /*
519 This macro can be used to check that the version of mingw32 compiler is
520 at least maj.min
521 */
522 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
523 ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
524 wxCHECK_WATCOM_VERSION(1,0) ) && \
525 !defined(__DOS__) && \
526 !defined(__WXPM__) && \
527 !defined(__WXMOTIF__) && \
528 !defined(__WXGTK__) && \
529 !defined(__WXX11__) && \
530 !defined(__WXPALMOS__)
531 # include "wx/msw/gccpriv.h"
532 #else
533 # undef wxCHECK_W32API_VERSION
534 # define wxCHECK_W32API_VERSION(maj, min) (0)
535 #endif
536
537 #if defined (__WXMSW__)
538 # if !defined(__WATCOMC__)
539 # define wxHAVE_RAW_BITMAP
540 # endif
541 #endif
542
543 #if defined (__WXMAC__)
544 # if !defined(WORDS_BIGENDIAN) && ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
545 # define WORDS_BIGENDIAN 1
546 # endif
547 #endif
548
549 /* Choose which method we will use for updating menus
550 * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
551 * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
552 */
553 #ifndef wxUSE_IDLEMENUUPDATES
554 # if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
555 # define wxUSE_IDLEMENUUPDATES 0
556 # else
557 # define wxUSE_IDLEMENUUPDATES 1
558 # endif
559 #endif
560
561 /*
562 * Define symbols that are not yet in
563 * configure or possibly some setup.h files.
564 * They will need to be added.
565 */
566
567 #ifndef wxUSE_FILECONFIG
568 # if wxUSE_CONFIG
569 # define wxUSE_FILECONFIG 1
570 # else
571 # define wxUSE_FILECONFIG 0
572 # endif
573 #endif
574
575 #ifndef wxUSE_HOTKEY
576 # define wxUSE_HOTKEY 0
577 #endif
578
579 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
580 # define wxUSE_WXDIB 1
581 #endif
582
583 /*
584 We need AvailabilityMacros.h for ifdefing out things that don't exist on
585 OSX 10.2 and lower
586 FIXME: We need a better way to detect for 10.3 then including a system header
587 */
588 #ifdef __DARWIN__
589 #include <AvailabilityMacros.h>
590 #endif
591
592 #endif /* _WX_PLATFORM_H_ */