include/wx/dlimpexp.h

   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(__WXMSW__)
  20     /*
  21        __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
  22        as VC++ and gcc
  23      */
  24 #    if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__GNUC__) || defined(__WATCOMC__)
  25 #        define WXEXPORT __declspec(dllexport)
  26 #        define WXIMPORT __declspec(dllimport)
  27 #    else /* compiler doesn't support __declspec() */
  28 #        define WXEXPORT
  29 #        define WXIMPORT
  30 #    endif
  31 #elif defined(__WXPM__)
  32 #    if defined (__WATCOMC__)
  33 #        define WXEXPORT __declspec(dllexport)
  34         /*
  35            __declspec(dllimport) prepends __imp to imported symbols. We do NOT
  36            want that!
  37          */
  38 #        define WXIMPORT
  39 #    elif defined(__EMX__)
  40 #        define WXEXPORT
  41 #        define WXIMPORT
  42 #    elif (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
  43 #        define WXEXPORT _Export
  44 #        define WXIMPORT _Export
  45 #    endif
  46 #elif defined(__WXMAC__) || defined(__WXCOCOA__)
  47 #    ifdef __MWERKS__
  48 #        define WXEXPORT __declspec(export)
  49 #        define WXIMPORT __declspec(import)
  50 #    endif
  51 #elif defined(__CYGWIN__)
  52 #    define WXEXPORT __declspec(dllexport)
  53 #    define WXIMPORT __declspec(dllimport)
  54 #endif
  55
  56 /* for other platforms/compilers we don't anything */
  57 #ifndef WXEXPORT
  58 #    define WXEXPORT
  59 #    define WXIMPORT
  60 #endif
  61
  62 /*
  63    We support building wxWidgets as a set of several libraries but we don't
  64    support arbitrary combinations of libs/DLLs: either we build all of them as
  65    DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
  66
  67    However we have a problem because we need separate WXDLLEXPORT versions for
  68    different libraries as, for example, wxString class should be dllexported
  69    when compiled in wxBase and dllimported otherwise, so we do define separate
  70    WXMAKING/USINGDLL_XYZ constants for each component XYZ.
  71  */
  72 #ifdef WXMAKINGDLL
  73 #    if wxUSE_BASE
  74 #        define WXMAKINGDLL_BASE
  75 #    endif
  76
  77 #    define WXMAKINGDLL_NET
  78 #    define WXMAKINGDLL_CORE
  79 #    define WXMAKINGDLL_ADV
  80 #    define WXMAKINGDLL_QA
  81 #    define WXMAKINGDLL_ODBC
  82 #    define WXMAKINGDLL_DBGRID
  83 #    define WXMAKINGDLL_HTML
  84 #    define WXMAKINGDLL_GL
  85 #    define WXMAKINGDLL_XML
  86 #    define WXMAKINGDLL_XRC
  87 #    define WXMAKINGDLL_AUI
  88 #    define WXMAKINGDLL_RICHTEXT
  89 #    define WXMAKINGDLL_MEDIA
  90 #    define WXMAKINGDLL_STC
  91 #endif /* WXMAKINGDLL */
  92
  93 /*
  94    WXDLLEXPORT maps to export declaration when building the DLL, to import
  95    declaration if using it or to nothing at all if we don't use wxWin as DLL
  96  */
  97 #ifdef WXMAKINGDLL_BASE
  98 #    define WXDLLIMPEXP_BASE WXEXPORT
  99 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
 100 #elif defined(WXUSINGDLL)
 101 #    define WXDLLIMPEXP_BASE WXIMPORT
 102 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
 103 #else /* not making nor using DLL */
 104 #    define WXDLLIMPEXP_BASE
 105 #    define WXDLLIMPEXP_DATA_BASE(type) type
 106 #endif
 107
 108 #ifdef WXMAKINGDLL_NET
 109 #    define WXDLLIMPEXP_NET WXEXPORT
 110 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 111 #elif defined(WXUSINGDLL)
 112 #    define WXDLLIMPEXP_NET WXIMPORT
 113 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 114 #else /* not making nor using DLL */
 115 #    define WXDLLIMPEXP_NET
 116 #    define WXDLLIMPEXP_DATA_NET(type) type
 117 #endif
 118
 119 #ifdef WXMAKINGDLL_CORE
 120 #    define WXDLLIMPEXP_CORE WXEXPORT
 121 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 122 #elif defined(WXUSINGDLL)
 123 #    define WXDLLIMPEXP_CORE WXIMPORT
 124 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 125 #else /* not making nor using DLL */
 126 #    define WXDLLIMPEXP_CORE
 127 #    define WXDLLIMPEXP_DATA_CORE(type) type
 128 #endif
 129
 130 #ifdef WXMAKINGDLL_ADV
 131 #    define WXDLLIMPEXP_ADV WXEXPORT
 132 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 133 #elif defined(WXUSINGDLL)
 134 #    define WXDLLIMPEXP_ADV WXIMPORT
 135 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 136 #else /* not making nor using DLL */
 137 #    define WXDLLIMPEXP_ADV
 138 #    define WXDLLIMPEXP_DATA_ADV(type) type
 139 #endif
 140
 141 #ifdef WXMAKINGDLL_ODBC
 142 #    define WXDLLIMPEXP_ODBC WXEXPORT
 143 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 144 #elif defined(WXUSINGDLL)
 145 #    define WXDLLIMPEXP_ODBC WXIMPORT
 146 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 147 #else /* not making nor using DLL */
 148 #    define WXDLLIMPEXP_ODBC
 149 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 150 #endif
 151
 152 #ifdef WXMAKINGDLL_QA
 153 #    define WXDLLIMPEXP_QA WXEXPORT
 154 #    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
 155 #elif defined(WXUSINGDLL)
 156 #    define WXDLLIMPEXP_QA WXIMPORT
 157 #    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
 158 #else /* not making nor using DLL */
 159 #    define WXDLLIMPEXP_QA
 160 #    define WXDLLIMPEXP_DATA_QA(type) type
 161 #endif
 162
 163 #ifdef WXMAKINGDLL_DBGRID
 164 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 165 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 166 #elif defined(WXUSINGDLL)
 167 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 168 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 169 #else /* not making nor using DLL */
 170 #    define WXDLLIMPEXP_DBGRID
 171 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 172 #endif
 173
 174 #ifdef WXMAKINGDLL_HTML
 175 #    define WXDLLIMPEXP_HTML WXEXPORT
 176 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 177 #elif defined(WXUSINGDLL)
 178 #    define WXDLLIMPEXP_HTML WXIMPORT
 179 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 180 #else /* not making nor using DLL */
 181 #    define WXDLLIMPEXP_HTML
 182 #    define WXDLLIMPEXP_DATA_HTML(type) type
 183 #endif
 184
 185 #ifdef WXMAKINGDLL_GL
 186 #    define WXDLLIMPEXP_GL WXEXPORT
 187 #elif defined(WXUSINGDLL)
 188 #    define WXDLLIMPEXP_GL WXIMPORT
 189 #else /* not making nor using DLL */
 190 #    define WXDLLIMPEXP_GL
 191 #endif
 192
 193 #ifdef WXMAKINGDLL_XML
 194 #    define WXDLLIMPEXP_XML WXEXPORT
 195 #elif defined(WXUSINGDLL)
 196 #    define WXDLLIMPEXP_XML WXIMPORT
 197 #else /* not making nor using DLL */
 198 #    define WXDLLIMPEXP_XML
 199 #endif
 200
 201 #ifdef WXMAKINGDLL_XRC
 202 #    define WXDLLIMPEXP_XRC WXEXPORT
 203 #elif defined(WXUSINGDLL)
 204 #    define WXDLLIMPEXP_XRC WXIMPORT
 205 #else /* not making nor using DLL */
 206 #    define WXDLLIMPEXP_XRC
 207 #endif
 208
 209 #ifdef WXMAKINGDLL_AUI
 210 #    define WXDLLIMPEXP_AUI WXEXPORT
 211 #elif defined(WXUSINGDLL)
 212 #    define WXDLLIMPEXP_AUI WXIMPORT
 213 #else /* not making nor using DLL */
 214 #    define WXDLLIMPEXP_AUI
 215 #endif
 216
 217 #ifdef WXMAKINGDLL_RICHTEXT
 218 #    define WXDLLIMPEXP_RICHTEXT WXEXPORT
 219 #elif defined(WXUSINGDLL)
 220 #    define WXDLLIMPEXP_RICHTEXT WXIMPORT
 221 #else /* not making nor using DLL */
 222 #    define WXDLLIMPEXP_RICHTEXT
 223 #endif
 224
 225 #ifdef WXMAKINGDLL_MEDIA
 226 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 227 #elif defined(WXUSINGDLL)
 228 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 229 #else /* not making nor using DLL */
 230 #    define WXDLLIMPEXP_MEDIA
 231 #endif
 232
 233 #ifdef WXMAKINGDLL_STC
 234     #define WXDLLIMPEXP_STC WXEXPORT
 235 #elif defined(WXUSINGDLL)
 236     #define WXDLLIMPEXP_STC WXIMPORT
 237 #else /* not making nor using DLL */
 238     #define WXDLLIMPEXP_STC
 239 #endif
 240
 241 /* for backwards compatibility, define suffix-less versions too */
 242 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 243 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 244
 245 #endif /* _WX_DLIMPEXP_H_ */
 246