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1/*
2 * Name: wx/dlimpexp.h
3 * Purpose: Macros for declaring DLL-imported/exported functions
4 * Author: Vadim Zeitlin
5 * Modified by:
6 * Created: 16.10.2003 (extracted from wx/defs.h)
7 * RCS-ID: $Id$
77ffb593 8 * Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
65571936 9 * Licence: wxWindows licence
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10 */
11
12/*
13 This is a C file, not C++ one, do not use C++ comments here!
14 */
15
16#ifndef _WX_DLIMPEXP_H_
17#define _WX_DLIMPEXP_H_
18
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19#if defined(HAVE_VISIBILITY)
20# define WXEXPORT __attribute__ ((visibility("default")))
21# define WXIMPORT __attribute__ ((visibility("default")))
22#elif defined(__WINDOWS__)
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23 /*
24 __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
25 as VC++ and gcc
26 */
27# if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__GNUC__) || defined(__WATCOMC__)
28# define WXEXPORT __declspec(dllexport)
29# define WXIMPORT __declspec(dllimport)
30# else /* compiler doesn't support __declspec() */
31# define WXEXPORT
32# define WXIMPORT
33# endif
34#elif defined(__WXPM__)
35# if defined (__WATCOMC__)
36# define WXEXPORT __declspec(dllexport)
37 /*
38 __declspec(dllimport) prepends __imp to imported symbols. We do NOT
39 want that!
40 */
41# define WXIMPORT
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42# elif defined(__EMX__)
43# define WXEXPORT
44# define WXIMPORT
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45# elif (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
46# define WXEXPORT _Export
47# define WXIMPORT _Export
48# endif
49#elif defined(__WXMAC__) || defined(__WXCOCOA__)
50# ifdef __MWERKS__
51# define WXEXPORT __declspec(export)
52# define WXIMPORT __declspec(import)
53# endif
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54#elif defined(__CYGWIN__)
55# define WXEXPORT __declspec(dllexport)
56# define WXIMPORT __declspec(dllimport)
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57#endif
58
59/* for other platforms/compilers we don't anything */
60#ifndef WXEXPORT
61# define WXEXPORT
62# define WXIMPORT
63#endif
64
65/*
77ffb593 66 We support building wxWidgets as a set of several libraries but we don't
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67 support arbitrary combinations of libs/DLLs: either we build all of them as
68 DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
69
70 However we have a problem because we need separate WXDLLEXPORT versions for
71 different libraries as, for example, wxString class should be dllexported
72 when compiled in wxBase and dllimported otherwise, so we do define separate
73 WXMAKING/USINGDLL_XYZ constants for each component XYZ.
74 */
75#ifdef WXMAKINGDLL
76# if wxUSE_BASE
77# define WXMAKINGDLL_BASE
78# endif
79
80# define WXMAKINGDLL_NET
81# define WXMAKINGDLL_CORE
82# define WXMAKINGDLL_ADV
f5a9eef7 83# define WXMAKINGDLL_QA
0cc66b6c 84# define WXMAKINGDLL_HTML
0ae4d121 85# define WXMAKINGDLL_GL
0cc66b6c 86# define WXMAKINGDLL_XML
c846884b 87# define WXMAKINGDLL_XRC
5e4903f5 88# define WXMAKINGDLL_AUI
3b2cb431 89# define WXMAKINGDLL_RICHTEXT
c220a8ec 90# define WXMAKINGDLL_MEDIA
c079af66 91# define WXMAKINGDLL_STC
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92#endif /* WXMAKINGDLL */
93
94/*
95 WXDLLEXPORT maps to export declaration when building the DLL, to import
96 declaration if using it or to nothing at all if we don't use wxWin as DLL
97 */
98#ifdef WXMAKINGDLL_BASE
99# define WXDLLIMPEXP_BASE WXEXPORT
100# define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
101#elif defined(WXUSINGDLL)
102# define WXDLLIMPEXP_BASE WXIMPORT
103# define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
104#else /* not making nor using DLL */
105# define WXDLLIMPEXP_BASE
106# define WXDLLIMPEXP_DATA_BASE(type) type
107#endif
108
109#ifdef WXMAKINGDLL_NET
110# define WXDLLIMPEXP_NET WXEXPORT
111# define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
112#elif defined(WXUSINGDLL)
113# define WXDLLIMPEXP_NET WXIMPORT
114# define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
115#else /* not making nor using DLL */
116# define WXDLLIMPEXP_NET
117# define WXDLLIMPEXP_DATA_NET(type) type
118#endif
119
120#ifdef WXMAKINGDLL_CORE
121# define WXDLLIMPEXP_CORE WXEXPORT
122# define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
123#elif defined(WXUSINGDLL)
124# define WXDLLIMPEXP_CORE WXIMPORT
125# define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
126#else /* not making nor using DLL */
127# define WXDLLIMPEXP_CORE
128# define WXDLLIMPEXP_DATA_CORE(type) type
129#endif
130
131#ifdef WXMAKINGDLL_ADV
132# define WXDLLIMPEXP_ADV WXEXPORT
133# define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
134#elif defined(WXUSINGDLL)
135# define WXDLLIMPEXP_ADV WXIMPORT
136# define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
137#else /* not making nor using DLL */
138# define WXDLLIMPEXP_ADV
139# define WXDLLIMPEXP_DATA_ADV(type) type
140#endif
141
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142#ifdef WXMAKINGDLL_QA
143# define WXDLLIMPEXP_QA WXEXPORT
144# define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
145#elif defined(WXUSINGDLL)
146# define WXDLLIMPEXP_QA WXIMPORT
147# define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
148#else /* not making nor using DLL */
149# define WXDLLIMPEXP_QA
150# define WXDLLIMPEXP_DATA_QA(type) type
151#endif
152
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153#ifdef WXMAKINGDLL_HTML
154# define WXDLLIMPEXP_HTML WXEXPORT
155# define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
156#elif defined(WXUSINGDLL)
157# define WXDLLIMPEXP_HTML WXIMPORT
158# define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
159#else /* not making nor using DLL */
160# define WXDLLIMPEXP_HTML
161# define WXDLLIMPEXP_DATA_HTML(type) type
162#endif
163
164#ifdef WXMAKINGDLL_GL
165# define WXDLLIMPEXP_GL WXEXPORT
166#elif defined(WXUSINGDLL)
167# define WXDLLIMPEXP_GL WXIMPORT
168#else /* not making nor using DLL */
169# define WXDLLIMPEXP_GL
170#endif
171
172#ifdef WXMAKINGDLL_XML
173# define WXDLLIMPEXP_XML WXEXPORT
174#elif defined(WXUSINGDLL)
175# define WXDLLIMPEXP_XML WXIMPORT
176#else /* not making nor using DLL */
177# define WXDLLIMPEXP_XML
178#endif
179
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180#ifdef WXMAKINGDLL_XRC
181# define WXDLLIMPEXP_XRC WXEXPORT
182#elif defined(WXUSINGDLL)
183# define WXDLLIMPEXP_XRC WXIMPORT
184#else /* not making nor using DLL */
185# define WXDLLIMPEXP_XRC
186#endif
187
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188#ifdef WXMAKINGDLL_AUI
189# define WXDLLIMPEXP_AUI WXEXPORT
190#elif defined(WXUSINGDLL)
191# define WXDLLIMPEXP_AUI WXIMPORT
192#else /* not making nor using DLL */
193# define WXDLLIMPEXP_AUI
194#endif
195
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196#ifdef WXMAKINGDLL_RICHTEXT
197# define WXDLLIMPEXP_RICHTEXT WXEXPORT
198#elif defined(WXUSINGDLL)
199# define WXDLLIMPEXP_RICHTEXT WXIMPORT
200#else /* not making nor using DLL */
201# define WXDLLIMPEXP_RICHTEXT
202#endif
203
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204#ifdef WXMAKINGDLL_MEDIA
205# define WXDLLIMPEXP_MEDIA WXEXPORT
206#elif defined(WXUSINGDLL)
207# define WXDLLIMPEXP_MEDIA WXIMPORT
208#else /* not making nor using DLL */
209# define WXDLLIMPEXP_MEDIA
210#endif
211
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212#ifdef WXMAKINGDLL_STC
213 #define WXDLLIMPEXP_STC WXEXPORT
214#elif defined(WXUSINGDLL)
215 #define WXDLLIMPEXP_STC WXIMPORT
216#else /* not making nor using DLL */
217 #define WXDLLIMPEXP_STC
218#endif
219
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220/*
221 GCC warns about using __attribute__ (and also __declspec in mingw32 case) on
222 forward declarations while MSVC complains about forward declarations without
223 __declspec for the classes later declared with it, so we need a separate set
224 of macros for forward declarations to hide this difference:
225 */
226#if defined(HAVE_VISIBILITY) || (defined(__WINDOWS__) && defined(__GNUC__))
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227 #define WXDLLIMPEXP_FWD_BASE
228 #define WXDLLIMPEXP_FWD_NET
229 #define WXDLLIMPEXP_FWD_CORE
230 #define WXDLLIMPEXP_FWD_ADV
231 #define WXDLLIMPEXP_FWD_QA
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232 #define WXDLLIMPEXP_FWD_HTML
233 #define WXDLLIMPEXP_FWD_GL
234 #define WXDLLIMPEXP_FWD_XML
235 #define WXDLLIMPEXP_FWD_XRC
236 #define WXDLLIMPEXP_FWD_AUI
237 #define WXDLLIMPEXP_FWD_RICHTEXT
238 #define WXDLLIMPEXP_FWD_MEDIA
239 #define WXDLLIMPEXP_FWD_STC
240#else
241 #define WXDLLIMPEXP_FWD_BASE WXDLLIMPEXP_BASE
242 #define WXDLLIMPEXP_FWD_NET WXDLLIMPEXP_NET
243 #define WXDLLIMPEXP_FWD_CORE WXDLLIMPEXP_CORE
244 #define WXDLLIMPEXP_FWD_ADV WXDLLIMPEXP_ADV
245 #define WXDLLIMPEXP_FWD_QA WXDLLIMPEXP_QA
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246 #define WXDLLIMPEXP_FWD_HTML WXDLLIMPEXP_HTML
247 #define WXDLLIMPEXP_FWD_GL WXDLLIMPEXP_GL
248 #define WXDLLIMPEXP_FWD_XML WXDLLIMPEXP_XML
249 #define WXDLLIMPEXP_FWD_XRC WXDLLIMPEXP_XRC
250 #define WXDLLIMPEXP_FWD_AUI WXDLLIMPEXP_AUI
251 #define WXDLLIMPEXP_FWD_RICHTEXT WXDLLIMPEXP_RICHTEXT
252 #define WXDLLIMPEXP_FWD_MEDIA WXDLLIMPEXP_MEDIA
253 #define WXDLLIMPEXP_FWD_STC WXDLLIMPEXP_STC
254#endif
b5dbe15d 255
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256/* for backwards compatibility, define suffix-less versions too */
257#define WXDLLEXPORT WXDLLIMPEXP_CORE
258#define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
259
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260/*
261 MSVC up to 6.0 needs to be explicitly told to export template instantiations
262 used by the DLL clients, use this macro to do it like this:
263
264 template <typename T> class Foo { ... };
265 WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( Foo<int> )
266
267 (notice that currently we only need this for the wxBase library)
268 */
269#if defined(__VISUALC__) && (__VISUALC__ <= 1200)
270 #ifdef WXMAKINGDLL_BASE
271 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
272 template class WXDLLIMPEXP_BASE decl;
273 #else
274 /*
275 We need to disable this warning when using this macro, as
276 recommended by Microsoft itself:
277
278 http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b168958
279 */
280 #pragma warning(disable:4231)
281
282 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
283 extern template class WXDLLIMPEXP_BASE decl;
284 #endif
285#else /* not VC <= 6 */
286 #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl)
287#endif /* VC6/others */
288
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289#endif /* _WX_DLIMPEXP_H_ */
290