set minimum bcc32 version to turbo explorer
[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 # ifndef MAC_OS_X_VERSION_10_4
38 # define MAC_OS_X_VERSION_10_4 1040
39 # endif
40 # ifndef MAC_OS_X_VERSION_10_5
41 # define MAC_OS_X_VERSION_10_5 1050
42 # endif
43 # ifdef __WXMAC_XCODE__
44 # include <unistd.h>
45 # include "wx/mac/carbon/config_xcode.h"
46 # endif
47 # else
48 # if TARGET_CARBON
49 # define __WXMAC_CARBON__
50 # else
51 # define __WXMAC_CLASSIC__
52 # endif
53 # endif
54 #endif
55
56 /*
57 __WXOSX__ is a common define to wxMac (Carbon) and wxCocoa ports under OS X.
58 */
59 #if defined(__WXMAC_OSX__) || defined(__WXCOCOA__)
60 # define __WXOSX__
61 #endif
62
63 /*
64 first define Windows symbols if they're not defined on the command line: we
65 can autodetect everything we need if _WIN32 is defined
66 */
67 #if defined(__CYGWIN__) && defined(__WINDOWS__)
68 # ifndef __WXMSW__
69 # define __WXMSW__
70 # endif
71
72 # ifndef _WIN32
73 # define _WIN32
74 # endif
75
76 # ifndef WIN32
77 # define WIN32
78 # endif
79 #endif
80
81 #if defined(__PALMOS__)
82 # if __PALMOS__ == 0x06000000
83 # define __WXPALMOS6__
84 # endif
85 # if __PALMOS__ == 0x05000000
86 # define __WXPALMOS5__
87 # endif
88 # ifndef __WXPALMOS__
89 # define __WXPALMOS__
90 # endif
91 # ifdef __WXMSW__
92 # undef __WXMSW__
93 # endif
94 # ifdef __WINDOWS__
95 # undef __WINDOWS__
96 # endif
97 # ifdef __WIN32__
98 # undef __WIN32__
99 # endif
100 # ifdef WIN32
101 # undef WIN32
102 # endif
103 # ifdef _WIN32
104 # undef _WIN32
105 # endif
106 #endif
107
108 #if defined(_WIN64)
109 # ifndef _WIN32
110 /*
111 a lot of code (mistakenly) uses #ifdef _WIN32 to either test for
112 Windows or to test for !__WIN16__, so we must define _WIN32 for
113 Win64 as well to ensure that the existing code continues to work.
114 */
115 # define _WIN32
116 # endif /* !_WIN32 */
117
118 # ifndef __WIN64__
119 # define __WIN64__
120 # endif /* !__WIN64__ */
121 #endif /* _WIN64 */
122
123 #if (defined(_WIN32) || defined(WIN32) || defined(__NT__) || defined(__WXWINCE__)) \
124 && !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
125 # ifndef __WXMSW__
126 # define __WXMSW__
127 # endif
128
129 # ifndef __WIN32__
130 # define __WIN32__
131 # endif
132 #endif /* Win32 */
133
134 #if defined(__WXMSW__) || defined(__WIN32__)
135 # if !defined(__WINDOWS__)
136 # define __WINDOWS__
137 # endif
138 #endif
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 #if defined(__POCKETPC__) || defined(__SMARTPHONE__) || defined(__WXGPE__)
186 # define __WXHANDHELD__
187 #endif
188
189 /*
190 Include wx/setup.h for the Unix platform defines generated by configure and
191 the library compilation options
192
193 Note that it must be included before defining hardware symbols below as they
194 could be already defined by configure
195 */
196 #include "wx/setup.h"
197
198 /*
199 Hardware platform detection.
200
201 VC++ defines _M_xxx symbols.
202 */
203 #if defined(_M_IX86) || defined(i386) || defined(__i386) || defined(__i386__)
204 #ifndef __INTEL__
205 #define __INTEL__
206 #endif
207 #endif /* x86 */
208
209 #if defined(_M_IA64)
210 #ifndef __IA64__
211 #define __IA64__
212 #endif
213 #endif /* ia64 */
214
215 #if defined(_M_MPPC) || defined(__PPC__)
216 #ifndef __POWERPC__
217 #define __POWERPC__
218 #endif
219 #endif /* alpha */
220
221 #if defined(_M_ALPHA) || defined(__AXP__)
222 #ifndef __ALPHA__
223 #define __ALPHA__
224 #endif
225 #endif /* alpha */
226
227
228 /*
229 adjust the Unicode setting: wxUSE_UNICODE should be defined as 0 or 1
230 and is used by wxWidgets, _UNICODE and/or UNICODE may be defined or used by
231 the system headers so bring these settings in sync
232 */
233
234 /* set wxUSE_UNICODE to 1 if UNICODE or _UNICODE is defined */
235 #if defined(_UNICODE) || defined(UNICODE)
236 # undef wxUSE_UNICODE
237 # define wxUSE_UNICODE 1
238 #else /* !UNICODE */
239 # ifndef wxUSE_UNICODE
240 # define wxUSE_UNICODE 0
241 # endif
242 #endif /* UNICODE/!UNICODE */
243
244 /* and vice versa: define UNICODE and _UNICODE if wxUSE_UNICODE is 1 */
245 #if wxUSE_UNICODE
246 # ifndef _UNICODE
247 # define _UNICODE
248 # endif
249 # ifndef UNICODE
250 # define UNICODE
251 # endif
252 #endif /* wxUSE_UNICODE */
253
254 #if defined( __MWERKS__ ) && !defined(__INTEL__)
255 /* otherwise MSL headers bring in WIN32 dependant APIs */
256 #undef UNICODE
257 #endif
258
259
260 /* test for old versions of Borland C, need at least 5.82, Turbo explorer,
261 available for free at http://www.turboexplorer.com/downloads
262 */
263 #if defined(__BORLANDC__) && (__BORLANDC__ < 0x582)
264 #error "This version of wxWidgets requires at least Borland 5.82 (Turbo Explorer); You may at your own risk remove this line and try your system"
265 #endif //__BORLANDC__
266
267
268 /*
269 This macro can be used to test the Open Watcom version.
270 */
271 #ifndef __WATCOMC__
272 # define wxWATCOM_VERSION(major,minor) 0
273 # define wxCHECK_WATCOM_VERSION(major,minor) 0
274 # define wxONLY_WATCOM_EARLIER_THAN(major,minor) 0
275 #elif defined(__WATCOMC__) && __WATCOMC__ < 1200
276 # error "Only Open Watcom is supported in this release"
277 #else
278 # define wxWATCOM_VERSION(major,minor) ( major * 100 + minor * 10 + 1100 )
279 # define wxCHECK_WATCOM_VERSION(major,minor) ( __WATCOMC__ >= wxWATCOM_VERSION(major,minor) )
280 # define wxONLY_WATCOM_EARLIER_THAN(major,minor) ( __WATCOMC__ < wxWATCOM_VERSION(major,minor) )
281 #endif
282
283 /*
284 OS: first of all, test for MS-DOS platform. We must do this before testing
285 for Unix, because DJGPP compiler defines __unix__ under MS-DOS
286 */
287 #if defined(__GO32__) || defined(__DJGPP__) || defined(__DOS__)
288 # ifndef __DOS__
289 # define __DOS__
290 # endif
291 /* size_t is the same as unsigned int for Watcom 11 compiler, */
292 /* so define it if it hadn't been done by configure yet */
293 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
294 # ifdef __WATCOMC__
295 # define wxSIZE_T_IS_UINT
296 # endif
297 # ifdef __DJGPP__
298 # define wxSIZE_T_IS_ULONG
299 # endif
300 # endif
301
302 /*
303 OS: then test for generic Unix defines, then for particular flavours and
304 finally for Unix-like systems
305 */
306 #elif defined(__UNIX__) || defined(__unix) || defined(__unix__) || \
307 defined(____SVR4____) || defined(__LINUX__) || defined(__sgi) || \
308 defined(__hpux) || defined(sun) || defined(__SUN__) || defined(_AIX) || \
309 defined(__EMX__) || defined(__VMS) || defined(__BEOS__)
310
311 # define __UNIX_LIKE__
312
313 /* Helps SGI compilation, apparently */
314 # ifdef __SGI__
315 # ifdef __GNUG__
316 # define __need_wchar_t
317 # else /* !gcc */
318 /*
319 Note I use the term __SGI_CC__ for both cc and CC, its not a good
320 idea to mix gcc and cc/CC, the name mangling is different
321 */
322 # define __SGI_CC__
323 # endif /* gcc/!gcc */
324
325 /* system headers use this symbol and not __cplusplus in some places */
326 # ifndef _LANGUAGE_C_PLUS_PLUS
327 # define _LANGUAGE_C_PLUS_PLUS
328 # endif
329 # endif /* SGI */
330
331 # if defined(__SUNPRO_CC)
332 # ifndef __SUNCC__
333 # define __SUNCC__ __SUNPRO_CC
334 # endif /* Sun CC */
335 # endif /* Sun CC */
336
337 # ifdef __EMX__
338 # define OS2EMX_PLAIN_CHAR
339 # endif
340
341 /* define __HPUX__ for HP-UX where standard macro is __hpux */
342 # if defined(__hpux) && !defined(__HPUX__)
343 # define __HPUX__
344 # endif /* HP-UX */
345
346 # if defined(__CYGWIN__) || defined(__WINE__)
347 # if !defined(wxSIZE_T_IS_UINT)
348 # define wxSIZE_T_IS_UINT
349 # endif
350 # endif
351 #elif defined(applec) || \
352 defined(THINK_C) || \
353 (defined(__MWERKS__) && !defined(__INTEL__))
354 /* MacOS */
355 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
356 # define wxSIZE_T_IS_ULONG
357 # endif
358 #elif defined(__WXMAC__) && defined(__APPLE__)
359 /* Mac OS X */
360 # define __UNIX_LIKE__
361
362 /*
363 These defines are needed when compiling using Project Builder
364 with a non generated setup0.h
365 */
366 # ifndef __UNIX__
367 # define __UNIX__ 1
368 # endif
369 # ifndef __BSD__
370 # define __BSD__ 1
371 # endif
372 # ifndef __DARWIN__
373 # define __DARWIN__ 1
374 # endif
375 # ifndef __POWERPC__
376 # define __POWERPC__ 1
377 # endif
378 # ifndef TARGET_CARBON
379 # define TARGET_CARBON 1
380 # endif
381
382 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
383 # define wxSIZE_T_IS_ULONG
384 # endif
385 /*
386 Some code has been added to workaround defects(?) in the
387 bundled gcc compiler. These corrections are identified by
388 __DARWIN__ for Darwin related corrections (wxMac, wxMotif)
389 */
390 #elif defined(__OS2__)
391
392 /* wxOS2 vs. non wxOS2 ports on OS2 platform */
393 # if !defined(__WXMOTIF__) && !defined(__WXGTK__) && !defined(__WXX11__)
394 # ifndef __WXPM__
395 # define __WXPM__
396 # endif
397 # endif
398
399 # if defined(__IBMCPP__)
400 # define __VISAGEAVER__ __IBMCPP__
401 # endif
402
403 /* Place other OS/2 compiler environment defines here */
404 # if defined(__VISAGECPP__)
405 /* VisualAge is the only thing that understands _Optlink */
406 # define LINKAGEMODE _Optlink
407 # endif
408 # define wxSIZE_T_IS_UINT
409
410 #elif defined(__PALMOS__)
411 # ifdef __WIN32__
412 # error "__WIN32__ should not be defined for PalmOS"
413 # endif
414 # ifdef __WINDOWS__
415 # error "__WINDOWS__ should not be defined for PalmOS"
416 # endif
417 # ifdef __WXMSW__
418 # error "__WXMSW__ should not be defined for PalmOS"
419 # endif
420
421 #else /* Windows */
422 # ifndef __WINDOWS__
423 # define __WINDOWS__
424 # endif /* Windows */
425
426 /* to be changed for Win64! */
427 # ifndef __WIN32__
428 # error "__WIN32__ should be defined for Win32 and Win64, Win16 is not supported"
429 # endif
430
431 /*
432 define another standard symbol for Microsoft Visual C++: the standard
433 one (_MSC_VER) is also defined by Metrowerks compiler
434 */
435 # if defined(_MSC_VER) && !defined(__MWERKS__)
436 # define __VISUALC__ _MSC_VER
437 # elif defined(__BCPLUSPLUS__) && !defined(__BORLANDC__)
438 # define __BORLANDC__
439 # elif defined(__WATCOMC__)
440 # elif defined(__SC__)
441 # define __SYMANTECC__
442 # endif /* compiler */
443
444 /* size_t is the same as unsigned int for all Windows compilers we know, */
445 /* so define it if it hadn't been done by configure yet */
446 # if !defined(wxSIZE_T_IS_UINT) && !defined(wxSIZE_T_IS_ULONG)
447 # define wxSIZE_T_IS_UINT
448 # endif
449 #endif /* OS */
450
451 /*
452 if we're on a Unix system but didn't use configure (so that setup.h didn't
453 define __UNIX__), do define __UNIX__ now
454 */
455 #if !defined(__UNIX__) && defined(__UNIX_LIKE__)
456 # define __UNIX__
457 #endif /* Unix */
458
459 #if defined(__WXMOTIF__) || defined(__WXX11__)
460 # define __X__
461 #endif
462
463 #ifdef __SC__
464 # ifdef __DMC__
465 # define __DIGITALMARS__
466 # else
467 # define __SYMANTEC__
468 # endif
469 #endif
470
471 #ifdef __INTEL_COMPILER
472 # define __INTELC__
473 #endif
474
475 /*
476 We get "Large Files (ILP32) not supported in strict ANSI mode." #error
477 from HP-UX standard headers when compiling with g++ without this:
478 */
479 #if defined(__HPUX__) && !defined(__STDC_EXT__)
480 # define __STDC_EXT__ 1
481 #endif
482
483 /* Force linking against required libraries under Windows: */
484 #ifdef __WXWINCE__
485 # include "wx/msw/wince/libraries.h"
486 #elif defined __WINDOWS__
487 # include "wx/msw/libraries.h"
488 #endif
489
490 /*
491 This macro can be used to test the gcc version and can be used like this:
492
493 # if wxCHECK_GCC_VERSION(3, 1)
494 ... we have gcc 3.1 or later ...
495 # else
496 ... no gcc at all or gcc < 3.1 ...
497 # endif
498 */
499 #if defined(__GNUC__) && defined(__GNUC_MINOR__)
500 #define wxCHECK_GCC_VERSION( major, minor ) \
501 ( ( __GNUC__ > (major) ) \
502 || ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
503 #else
504 #define wxCHECK_GCC_VERSION( major, minor ) 0
505 #endif
506
507 #if defined(__BORLANDC__) || (defined(__GNUC__) && __GNUC__ < 3)
508 #define wxNEEDS_CHARPP
509 #endif
510
511 /*
512 This macro can be used to check that the version of mingw32 compiler is
513 at least maj.min
514 */
515 #if ( defined( __GNUWIN32__ ) || defined( __MINGW32__ ) || \
516 ( defined( __CYGWIN__ ) && defined( __WINDOWS__ ) ) || \
517 wxCHECK_WATCOM_VERSION(1,0) ) && \
518 !defined(__DOS__) && \
519 !defined(__WXPM__) && \
520 !defined(__WXMOTIF__) && \
521 !defined(__WXGTK__) && \
522 !defined(__WXX11__) && \
523 !defined(__WXPALMOS__)
524 # include "wx/msw/gccpriv.h"
525 #else
526 # undef wxCHECK_W32API_VERSION
527 # define wxCHECK_W32API_VERSION(maj, min) (0)
528 #endif
529
530 /**
531 This is similar to wxCHECK_GCC_VERSION but for Sun CC compiler.
532 */
533 #ifdef __SUNCC__
534 /*
535 __SUNCC__ is 0xVRP where V is major version, R release and P patch level
536 */
537 #define wxCHECK_SUNCC_VERSION(maj, min) (__SUNCC__ >= (((maj)<<8) | ((min)<<4)))
538 #else
539 #define wxCHECK_SUNCC_VERSION(maj, min) (0)
540 #endif
541
542 #if defined (__WXMSW__)
543 # if !defined(__WATCOMC__)
544 # define wxHAVE_RAW_BITMAP
545 # endif
546 #endif
547
548 #if defined (__WXMAC__)
549 # if ( !defined(__MACH__) || ( defined(__BIG_ENDIAN__) && __BIG_ENDIAN__ ) )
550 # define WORDS_BIGENDIAN 1
551 # else
552 # undef WORDS_BIGENDIAN
553 # endif
554 #endif
555
556 /*
557 check the consistency of the settings in setup.h: note that this must be
558 done after setting wxUSE_UNICODE correctly as it is used in wx/chkconf.h
559 and after defining the compiler macros which are used in it too
560 */
561 #include "wx/chkconf.h"
562
563
564 /*
565 some compilers don't support iostream.h any longer, while some of theme
566 are not updated with <iostream> yet, so override the users setting here
567 in such case.
568 */
569 #if defined(_MSC_VER) && (_MSC_VER >= 1310)
570 # undef wxUSE_IOSTREAMH
571 # define wxUSE_IOSTREAMH 0
572 #elif defined(__DMC__) || defined(__WATCOMC__)
573 # undef wxUSE_IOSTREAMH
574 # define wxUSE_IOSTREAMH 1
575 #elif defined(__MINGW32__)
576 # undef wxUSE_IOSTREAMH
577 # define wxUSE_IOSTREAMH 0
578 #endif /* compilers with/without iostream.h */
579
580 /*
581 old C++ headers (like <iostream.h>) declare classes in the global namespace
582 while the new, standard ones (like <iostream>) do it in std:: namespace,
583 unless it's an old gcc version.
584
585 using this macro allows constuctions like "wxSTD iostream" to work in
586 either case
587 */
588 #if !wxUSE_IOSTREAMH && (!defined(__GNUC__) || ( __GNUC__ > 2 ) || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95))
589 # define wxSTD std::
590 #else
591 # define wxSTD
592 #endif
593
594 /* On OpenVMS with the most recent HP C++ compiler some function (i.e. wscanf)
595 * are only available in the std-namespace. (BUG???)
596 */
597 #if defined( __VMS ) && (__DECCXX_VER >= 70100000) && !defined(__STD_CFRONT) && !defined( __NONAMESPACE_STD )
598 # define wxVMS_USE_STD std::
599 #else
600 # define wxVMS_USE_STD
601 #endif
602
603 /* Choose which method we will use for updating menus
604 * - in OnIdle, or when we receive a wxEVT_MENU_OPEN event.
605 * Presently, only Windows and GTK+ support wxEVT_MENU_OPEN.
606 */
607 #ifndef wxUSE_IDLEMENUUPDATES
608 # if (defined(__WXMSW__) || defined(__WXGTK__)) && !defined(__WXUNIVERSAL__)
609 # define wxUSE_IDLEMENUUPDATES 0
610 # else
611 # define wxUSE_IDLEMENUUPDATES 1
612 # endif
613 #endif
614
615 /*
616 * Define symbols that are not yet in
617 * configure or possibly some setup.h files.
618 * They will need to be added.
619 */
620
621 #ifndef wxUSE_FILECONFIG
622 # if wxUSE_CONFIG
623 # define wxUSE_FILECONFIG 1
624 # else
625 # define wxUSE_FILECONFIG 0
626 # endif
627 #endif
628
629 #ifndef wxUSE_HOTKEY
630 # define wxUSE_HOTKEY 0
631 #endif
632
633 #if !defined(wxUSE_WXDIB) && defined(__WXMSW__)
634 # define wxUSE_WXDIB 1
635 #endif
636
637 /*
638 We need AvailabilityMacros.h for ifdefing out things that don't exist on
639 OSX 10.2 and lower
640 FIXME: We need a better way to detect for 10.3 then including a system header
641 */
642 #ifdef __DARWIN__
643 #include <AvailabilityMacros.h>
644 #endif
645
646 #endif /* _WX_PLATFORM_H_ */