| | 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: $Id$ |
| | 8 | * Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org> |
| | 9 | * Licence: wxWindows licence |
| | 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 | |
| | 19 | #if defined(HAVE_VISIBILITY) |
| | 20 | # define WXEXPORT __attribute__ ((visibility("default"))) |
| | 21 | # define WXIMPORT __attribute__ ((visibility("default"))) |
| | 22 | #elif defined(__WINDOWS__) |
| | 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 |
| | 42 | # elif defined(__EMX__) |
| | 43 | # define WXEXPORT |
| | 44 | # define WXIMPORT |
| | 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 |
| | 54 | #elif defined(__CYGWIN__) |
| | 55 | # define WXEXPORT __declspec(dllexport) |
| | 56 | # define WXIMPORT __declspec(dllimport) |
| | 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 | /* |
| | 66 | We support building wxWidgets as a set of several libraries but we don't |
| | 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 |
| | 83 | # define WXMAKINGDLL_QA |
| | 84 | # define WXMAKINGDLL_HTML |
| | 85 | # define WXMAKINGDLL_GL |
| | 86 | # define WXMAKINGDLL_XML |
| | 87 | # define WXMAKINGDLL_XRC |
| | 88 | # define WXMAKINGDLL_AUI |
| | 89 | # define WXMAKINGDLL_RICHTEXT |
| | 90 | # define WXMAKINGDLL_MEDIA |
| | 91 | # define WXMAKINGDLL_STC |
| | 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 | |
| | 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 | |
| | 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 | |
| | 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 | |
| | 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 | |
| | 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 | |
| | 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 | |
| | 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 | |
| | 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__)) |
| | 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 |
| | 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 |
| | 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 |
| | 255 | |
| | 256 | /* for backwards compatibility, define suffix-less versions too */ |
| | 257 | #define WXDLLEXPORT WXDLLIMPEXP_CORE |
| | 258 | #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE |
| | 259 | |
| | 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 | |
| | 289 | #endif /* _WX_DLIMPEXP_H_ */ |
| | 290 | |
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