[wxWidgets.git] / include / wx / dlimpexp.h

/*
 * Name:        wx/dlimpexp.h
 * Purpose:     Macros for declaring DLL-imported/exported functions
 * Author:      Vadim Zeitlin
 * Modified by:
 * Created:     16.10.2003 (extracted from wx/defs.h)
 * RCS-ID:      $Id$
 * Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
 * Licence:     wxWindows licence
 */

/*
    This is a C file, not C++ one, do not use C++ comments here!
 */

#ifndef _WX_DLIMPEXP_H_
#define _WX_DLIMPEXP_H_

#if defined(HAVE_VISIBILITY)
#    define WXEXPORT __attribute__ ((visibility("default")))
#    define WXIMPORT __attribute__ ((visibility("default")))
#elif defined(__WINDOWS__)
    /*
       __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
       as VC++ and gcc
     */
#    if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__GNUC__) || defined(__WATCOMC__)
#        define WXEXPORT __declspec(dllexport)
#        define WXIMPORT __declspec(dllimport)
#    else /* compiler doesn't support __declspec() */
#        define WXEXPORT
#        define WXIMPORT
#    endif
#elif defined(__WXPM__)
#    if defined (__WATCOMC__)
#        define WXEXPORT __declspec(dllexport)
        /*
           __declspec(dllimport) prepends __imp to imported symbols. We do NOT
           want that!
         */
#        define WXIMPORT
#    elif defined(__EMX__)
#        define WXEXPORT
#        define WXIMPORT
#    elif (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
#        define WXEXPORT _Export
#        define WXIMPORT _Export
#    endif
#elif defined(__WXMAC__) || defined(__WXCOCOA__)
#    ifdef __MWERKS__
#        define WXEXPORT __declspec(export)
#        define WXIMPORT __declspec(import)
#    endif
#elif defined(__CYGWIN__)
#    define WXEXPORT __declspec(dllexport)
#    define WXIMPORT __declspec(dllimport)
#endif

/* for other platforms/compilers we don't anything */
#ifndef WXEXPORT
#    define WXEXPORT
#    define WXIMPORT
#endif

/*
   We support building wxWidgets as a set of several libraries but we don't
   support arbitrary combinations of libs/DLLs: either we build all of them as
   DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).

   However we have a problem because we need separate WXDLLIMPEXP versions for
   different libraries as, for example, wxString class should be dllexported
   when compiled in wxBase and dllimported otherwise, so we do define separate
   WXMAKING/USINGDLL_XYZ constants for each component XYZ.
 */
#ifdef WXMAKINGDLL
#    if wxUSE_BASE
#        define WXMAKINGDLL_BASE
#    endif

#    define WXMAKINGDLL_NET
#    define WXMAKINGDLL_CORE
#    define WXMAKINGDLL_ADV
#    define WXMAKINGDLL_QA
#    define WXMAKINGDLL_HTML
#    define WXMAKINGDLL_GL
#    define WXMAKINGDLL_XML
#    define WXMAKINGDLL_XRC
#    define WXMAKINGDLL_AUI
#    define WXMAKINGDLL_RICHTEXT
#    define WXMAKINGDLL_MEDIA
#    define WXMAKINGDLL_STC
#endif /* WXMAKINGDLL */

/*
   WXDLLIMPEXP_CORE maps to export declaration when building the DLL, to import
   declaration if using it or to nothing at all if we don't use wxWin as DLL
 */
#ifdef WXMAKINGDLL_BASE
#    define WXDLLIMPEXP_BASE WXEXPORT
#    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_BASE WXIMPORT
#    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_BASE
#    define WXDLLIMPEXP_DATA_BASE(type) type
#endif

#ifdef WXMAKINGDLL_NET
#    define WXDLLIMPEXP_NET WXEXPORT
#    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_NET WXIMPORT
#    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_NET
#    define WXDLLIMPEXP_DATA_NET(type) type
#endif

#ifdef WXMAKINGDLL_CORE
#    define WXDLLIMPEXP_CORE WXEXPORT
#    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_CORE WXIMPORT
#    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_CORE
#    define WXDLLIMPEXP_DATA_CORE(type) type
#endif

#ifdef WXMAKINGDLL_ADV
#    define WXDLLIMPEXP_ADV WXEXPORT
#    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_ADV WXIMPORT
#    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_ADV
#    define WXDLLIMPEXP_DATA_ADV(type) type
#endif

#ifdef WXMAKINGDLL_QA
#    define WXDLLIMPEXP_QA WXEXPORT
#    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_QA WXIMPORT
#    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_QA
#    define WXDLLIMPEXP_DATA_QA(type) type
#endif

#ifdef WXMAKINGDLL_HTML
#    define WXDLLIMPEXP_HTML WXEXPORT
#    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_HTML WXIMPORT
#    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_HTML
#    define WXDLLIMPEXP_DATA_HTML(type) type
#endif

#ifdef WXMAKINGDLL_GL
#    define WXDLLIMPEXP_GL WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_GL WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_GL
#endif

#ifdef WXMAKINGDLL_XML
#    define WXDLLIMPEXP_XML WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_XML WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_XML
#endif

#ifdef WXMAKINGDLL_XRC
#    define WXDLLIMPEXP_XRC WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_XRC WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_XRC
#endif

#ifdef WXMAKINGDLL_AUI
#    define WXDLLIMPEXP_AUI WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_AUI WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_AUI
#endif

#ifdef WXMAKINGDLL_PROPGRID
#    define WXDLLIMPEXP_PROPGRID WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_PROPGRID WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_PROPGRID
#endif

#ifdef WXMAKINGDLL_RICHTEXT
#    define WXDLLIMPEXP_RICHTEXT WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_RICHTEXT WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_RICHTEXT
#endif

#ifdef WXMAKINGDLL_MEDIA
#    define WXDLLIMPEXP_MEDIA WXEXPORT
#elif defined(WXUSINGDLL)
#    define WXDLLIMPEXP_MEDIA WXIMPORT
#else /* not making nor using DLL */
#    define WXDLLIMPEXP_MEDIA
#endif

#ifdef WXMAKINGDLL_STC
    #define WXDLLIMPEXP_STC WXEXPORT
#elif defined(WXUSINGDLL)
    #define WXDLLIMPEXP_STC WXIMPORT
#else /* not making nor using DLL */
    #define WXDLLIMPEXP_STC
#endif

/*
   GCC warns about using __attribute__ (and also __declspec in mingw32 case) on
   forward declarations while MSVC complains about forward declarations without
   __declspec for the classes later declared with it, so we need a separate set
   of macros for forward declarations to hide this difference:
 */
#if defined(HAVE_VISIBILITY) || (defined(__WINDOWS__) && defined(__GNUC__))
    #define WXDLLIMPEXP_FWD_BASE
    #define WXDLLIMPEXP_FWD_NET
    #define WXDLLIMPEXP_FWD_CORE
    #define WXDLLIMPEXP_FWD_ADV
    #define WXDLLIMPEXP_FWD_QA
    #define WXDLLIMPEXP_FWD_HTML
    #define WXDLLIMPEXP_FWD_GL
    #define WXDLLIMPEXP_FWD_XML
    #define WXDLLIMPEXP_FWD_XRC
    #define WXDLLIMPEXP_FWD_AUI
    #define WXDLLIMPEXP_FWD_RICHTEXT
    #define WXDLLIMPEXP_FWD_MEDIA
    #define WXDLLIMPEXP_FWD_STC
#else
    #define WXDLLIMPEXP_FWD_BASE      WXDLLIMPEXP_BASE
    #define WXDLLIMPEXP_FWD_NET       WXDLLIMPEXP_NET
    #define WXDLLIMPEXP_FWD_CORE      WXDLLIMPEXP_CORE
    #define WXDLLIMPEXP_FWD_ADV       WXDLLIMPEXP_ADV
    #define WXDLLIMPEXP_FWD_QA        WXDLLIMPEXP_QA
    #define WXDLLIMPEXP_FWD_HTML      WXDLLIMPEXP_HTML
    #define WXDLLIMPEXP_FWD_GL        WXDLLIMPEXP_GL
    #define WXDLLIMPEXP_FWD_XML       WXDLLIMPEXP_XML
    #define WXDLLIMPEXP_FWD_XRC       WXDLLIMPEXP_XRC
    #define WXDLLIMPEXP_FWD_AUI       WXDLLIMPEXP_AUI
    #define WXDLLIMPEXP_FWD_RICHTEXT  WXDLLIMPEXP_RICHTEXT
    #define WXDLLIMPEXP_FWD_MEDIA     WXDLLIMPEXP_MEDIA
    #define WXDLLIMPEXP_FWD_STC       WXDLLIMPEXP_STC
#endif

/* for backwards compatibility, define suffix-less versions too */
#define WXDLLEXPORT WXDLLIMPEXP_CORE
#define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE

/*
   MSVC up to 6.0 needs to be explicitly told to export template instantiations
   used by the DLL clients, use this macro to do it like this:

       template <typename T> class Foo { ... };
       WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( Foo<int> )

   (notice that currently we only need this for wxBase and wxCore libraries)
 */
#if defined(__VISUALC__) && (__VISUALC__ <= 1200)
    #ifdef WXMAKINGDLL_BASE
        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
            template class WXDLLIMPEXP_BASE decl;
        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
            template class WXDLLIMPEXP_CORE decl;
    #else
        /*
           We need to disable this warning when using this macro, as
           recommended by Microsoft itself:

           http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b168958
         */
        #pragma warning(disable:4231)

        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
            extern template class WXDLLIMPEXP_BASE decl;
        #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
            extern template class WXDLLIMPEXP_CORE decl;
    #endif
#else /* not VC <= 6 */
    #define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl)
    #define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl)
#endif /* VC6/others */

#endif /* _WX_DLIMPEXP_H_ */
Commit	Line	Data
0cc66b6c VZ	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
0cc66b6c VZ	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
b9d4eff6 VS	19	#if defined(HAVE_VISIBILITY)
	20	# define WXEXPORT __attribute__ ((visibility("default")))
	21	# define WXIMPORT __attribute__ ((visibility("default")))
	22	#elif defined(__WINDOWS__)
0cc66b6c VZ	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
fd928524 DW	42	# elif defined(__EMX__)
	43	# define WXEXPORT
	44	# define WXIMPORT
0cc66b6c VZ	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
7275146d MW	54	#elif defined(__CYGWIN__)
	55	# define WXEXPORT __declspec(dllexport)
	56	# define WXIMPORT __declspec(dllimport)
0cc66b6c VZ	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
0cc66b6c VZ	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
53a2db12	70	However we have a problem because we need separate WXDLLIMPEXP versions for
0cc66b6c VZ	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
0cc66b6c VZ	92	#endif /* WXMAKINGDLL */
	93
	94	/*
53a2db12	95	WXDLLIMPEXP_CORE maps to export declaration when building the DLL, to import
0cc66b6c VZ	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
61639efb VZ	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
0cc66b6c VZ	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
c846884b RD	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
5e4903f5 JS	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
1c4293cb VZ	196	#ifdef WXMAKINGDLL_PROPGRID
	197	# define WXDLLIMPEXP_PROPGRID WXEXPORT
	198	#elif defined(WXUSINGDLL)
	199	# define WXDLLIMPEXP_PROPGRID WXIMPORT
	200	#else /* not making nor using DLL */
	201	# define WXDLLIMPEXP_PROPGRID
	202	#endif
	203
3b2cb431 JS	204	#ifdef WXMAKINGDLL_RICHTEXT
	205	# define WXDLLIMPEXP_RICHTEXT WXEXPORT
	206	#elif defined(WXUSINGDLL)
	207	# define WXDLLIMPEXP_RICHTEXT WXIMPORT
	208	#else /* not making nor using DLL */
	209	# define WXDLLIMPEXP_RICHTEXT
	210	#endif
	211
ff2b312f RN	212	#ifdef WXMAKINGDLL_MEDIA
	213	# define WXDLLIMPEXP_MEDIA WXEXPORT
	214	#elif defined(WXUSINGDLL)
	215	# define WXDLLIMPEXP_MEDIA WXIMPORT
	216	#else /* not making nor using DLL */
	217	# define WXDLLIMPEXP_MEDIA
	218	#endif
	219
c079af66 VZ	220	#ifdef WXMAKINGDLL_STC
	221	#define WXDLLIMPEXP_STC WXEXPORT
	222	#elif defined(WXUSINGDLL)
	223	#define WXDLLIMPEXP_STC WXIMPORT
	224	#else /* not making nor using DLL */
	225	#define WXDLLIMPEXP_STC
	226	#endif
	227
8ece1737 VZ	228	/*
	229	GCC warns about using __attribute__ (and also __declspec in mingw32 case) on
	230	forward declarations while MSVC complains about forward declarations without
	231	__declspec for the classes later declared with it, so we need a separate set
	232	of macros for forward declarations to hide this difference:
	233	*/
	234	#if defined(HAVE_VISIBILITY) \|\| (defined(__WINDOWS__) && defined(__GNUC__))
0ff20b9f VS	235	#define WXDLLIMPEXP_FWD_BASE
	236	#define WXDLLIMPEXP_FWD_NET
	237	#define WXDLLIMPEXP_FWD_CORE
	238	#define WXDLLIMPEXP_FWD_ADV
	239	#define WXDLLIMPEXP_FWD_QA
0ff20b9f VS	240	#define WXDLLIMPEXP_FWD_HTML
	241	#define WXDLLIMPEXP_FWD_GL
	242	#define WXDLLIMPEXP_FWD_XML
	243	#define WXDLLIMPEXP_FWD_XRC
	244	#define WXDLLIMPEXP_FWD_AUI
	245	#define WXDLLIMPEXP_FWD_RICHTEXT
	246	#define WXDLLIMPEXP_FWD_MEDIA
	247	#define WXDLLIMPEXP_FWD_STC
	248	#else
	249	#define WXDLLIMPEXP_FWD_BASE WXDLLIMPEXP_BASE
	250	#define WXDLLIMPEXP_FWD_NET WXDLLIMPEXP_NET
	251	#define WXDLLIMPEXP_FWD_CORE WXDLLIMPEXP_CORE
	252	#define WXDLLIMPEXP_FWD_ADV WXDLLIMPEXP_ADV
	253	#define WXDLLIMPEXP_FWD_QA WXDLLIMPEXP_QA
0ff20b9f VS	254	#define WXDLLIMPEXP_FWD_HTML WXDLLIMPEXP_HTML
	255	#define WXDLLIMPEXP_FWD_GL WXDLLIMPEXP_GL
	256	#define WXDLLIMPEXP_FWD_XML WXDLLIMPEXP_XML
	257	#define WXDLLIMPEXP_FWD_XRC WXDLLIMPEXP_XRC
	258	#define WXDLLIMPEXP_FWD_AUI WXDLLIMPEXP_AUI
	259	#define WXDLLIMPEXP_FWD_RICHTEXT WXDLLIMPEXP_RICHTEXT
	260	#define WXDLLIMPEXP_FWD_MEDIA WXDLLIMPEXP_MEDIA
	261	#define WXDLLIMPEXP_FWD_STC WXDLLIMPEXP_STC
	262	#endif
b5dbe15d	263
0cc66b6c VZ	264	/* for backwards compatibility, define suffix-less versions too */
	265	#define WXDLLEXPORT WXDLLIMPEXP_CORE
	266	#define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
	267
7c77f334 VZ	268	/*
	269	MSVC up to 6.0 needs to be explicitly told to export template instantiations
	270	used by the DLL clients, use this macro to do it like this:
	271
	272	template <typename T> class Foo { ... };
	273	WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE( Foo<int> )
	274
16361ec9	275	(notice that currently we only need this for wxBase and wxCore libraries)
7c77f334 VZ	276	*/
	277	#if defined(__VISUALC__) && (__VISUALC__ <= 1200)
	278	#ifdef WXMAKINGDLL_BASE
	279	#define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
	280	template class WXDLLIMPEXP_BASE decl;
16361ec9 VS	281	#define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
16361ec9 VS	282	template class WXDLLIMPEXP_CORE decl;
7c77f334 VZ	283	#else
	284	/*
	285	We need to disable this warning when using this macro, as
53a2db12	286	recommended by Microsoft itself:
7c77f334 VZ	287
	288	http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b168958
	289	*/
	290	#pragma warning(disable:4231)
	291
	292	#define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl) \
	293	extern template class WXDLLIMPEXP_BASE decl;
16361ec9 VS	294	#define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl) \
16361ec9 VS	295	extern template class WXDLLIMPEXP_CORE decl;
7c77f334 VZ	296	#endif
	297	#else /* not VC <= 6 */
	298	#define WXDLLIMPEXP_TEMPLATE_INSTANCE_BASE(decl)
16361ec9	299	#define WXDLLIMPEXP_TEMPLATE_INSTANCE_CORE(decl)
7c77f334 VZ	300	#endif /* VC6/others */
7c77f334 VZ	301
0cc66b6c VZ	302	#endif /* _WX_DLIMPEXP_H_ */
0cc66b6c VZ	303