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 #endif
  52
  53 /* for other platforms/compilers we don't anything */
  54 #ifndef WXEXPORT
  55 #    define WXEXPORT
  56 #    define WXIMPORT
  57 #endif
  58
  59 /*
  60    We support building wxWidgets as a set of several libraries but we don't
  61    support arbitrary combinations of libs/DLLs: either we build all of them as
  62    DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
  63
  64    However we have a problem because we need separate WXDLLEXPORT versions for
  65    different libraries as, for example, wxString class should be dllexported
  66    when compiled in wxBase and dllimported otherwise, so we do define separate
  67    WXMAKING/USINGDLL_XYZ constants for each component XYZ.
  68  */
  69 #ifdef WXMAKINGDLL
  70 #    if wxUSE_BASE
  71 #        define WXMAKINGDLL_BASE
  72 #    endif
  73
  74 #    define WXMAKINGDLL_NET
  75 #    define WXMAKINGDLL_CORE
  76 #    define WXMAKINGDLL_ADV
  77 #    define WXMAKINGDLL_ODBC
  78 #    define WXMAKINGDLL_DBGRID
  79 #    define WXMAKINGDLL_HTML
  80 #    define WXMAKINGDLL_GL
  81 #    define WXMAKINGDLL_XML
  82 #    define WXMAKINGDLL_XRC
  83 #    define WXMAKINGDLL_MEDIA
  84 #endif /* WXMAKINGDLL */
  85
  86 /*
  87    WXDLLEXPORT maps to export declaration when building the DLL, to import
  88    declaration if using it or to nothing at all if we don't use wxWin as DLL
  89  */
  90 #ifdef WXMAKINGDLL_BASE
  91 #    define WXDLLIMPEXP_BASE WXEXPORT
  92 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
  93 #elif defined(WXUSINGDLL)
  94 #    define WXDLLIMPEXP_BASE WXIMPORT
  95 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
  96 #else /* not making nor using DLL */
  97 #    define WXDLLIMPEXP_BASE
  98 #    define WXDLLIMPEXP_DATA_BASE(type) type
  99 #endif
 100
 101 #ifdef WXMAKINGDLL_NET
 102 #    define WXDLLIMPEXP_NET WXEXPORT
 103 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 104 #elif defined(WXUSINGDLL)
 105 #    define WXDLLIMPEXP_NET WXIMPORT
 106 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 107 #else /* not making nor using DLL */
 108 #    define WXDLLIMPEXP_NET
 109 #    define WXDLLIMPEXP_DATA_NET(type) type
 110 #endif
 111
 112 #ifdef WXMAKINGDLL_CORE
 113 #    define WXDLLIMPEXP_CORE WXEXPORT
 114 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 115 #elif defined(WXUSINGDLL)
 116 #    define WXDLLIMPEXP_CORE WXIMPORT
 117 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 118 #else /* not making nor using DLL */
 119 #    define WXDLLIMPEXP_CORE
 120 #    define WXDLLIMPEXP_DATA_CORE(type) type
 121 #endif
 122
 123 #ifdef WXMAKINGDLL_ADV
 124 #    define WXDLLIMPEXP_ADV WXEXPORT
 125 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 126 #elif defined(WXUSINGDLL)
 127 #    define WXDLLIMPEXP_ADV WXIMPORT
 128 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 129 #else /* not making nor using DLL */
 130 #    define WXDLLIMPEXP_ADV
 131 #    define WXDLLIMPEXP_DATA_ADV(type) type
 132 #endif
 133
 134 #ifdef WXMAKINGDLL_ODBC
 135 #    define WXDLLIMPEXP_ODBC WXEXPORT
 136 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 137 #elif defined(WXUSINGDLL)
 138 #    define WXDLLIMPEXP_ODBC WXIMPORT
 139 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 140 #else /* not making nor using DLL */
 141 #    define WXDLLIMPEXP_ODBC
 142 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 143 #endif
 144
 145 #ifdef WXMAKINGDLL_QA
 146 #    define WXDLLIMPEXP_QA WXEXPORT
 147 #    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
 148 #elif defined(WXUSINGDLL)
 149 #    define WXDLLIMPEXP_QA WXIMPORT
 150 #    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
 151 #else /* not making nor using DLL */
 152 #    define WXDLLIMPEXP_QA
 153 #    define WXDLLIMPEXP_DATA_QA(type) type
 154 #endif
 155
 156 #ifdef WXMAKINGDLL_DBGRID
 157 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 158 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 159 #elif defined(WXUSINGDLL)
 160 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 161 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 162 #else /* not making nor using DLL */
 163 #    define WXDLLIMPEXP_DBGRID
 164 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 165 #endif
 166
 167 #ifdef WXMAKINGDLL_HTML
 168 #    define WXDLLIMPEXP_HTML WXEXPORT
 169 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 170 #elif defined(WXUSINGDLL)
 171 #    define WXDLLIMPEXP_HTML WXIMPORT
 172 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 173 #else /* not making nor using DLL */
 174 #    define WXDLLIMPEXP_HTML
 175 #    define WXDLLIMPEXP_DATA_HTML(type) type
 176 #endif
 177
 178 #ifdef WXMAKINGDLL_GL
 179 #    define WXDLLIMPEXP_GL WXEXPORT
 180 #elif defined(WXUSINGDLL)
 181 #    define WXDLLIMPEXP_GL WXIMPORT
 182 #else /* not making nor using DLL */
 183 #    define WXDLLIMPEXP_GL
 184 #endif
 185
 186 #ifdef WXMAKINGDLL_XML
 187 #    define WXDLLIMPEXP_XML WXEXPORT
 188 #elif defined(WXUSINGDLL)
 189 #    define WXDLLIMPEXP_XML WXIMPORT
 190 #else /* not making nor using DLL */
 191 #    define WXDLLIMPEXP_XML
 192 #endif
 193
 194 #ifdef WXMAKINGDLL_XRC
 195 #    define WXDLLIMPEXP_XRC WXEXPORT
 196 #elif defined(WXUSINGDLL)
 197 #    define WXDLLIMPEXP_XRC WXIMPORT
 198 #else /* not making nor using DLL */
 199 #    define WXDLLIMPEXP_XRC
 200 #endif
 201
 202 #ifdef WXMAKINGDLL_MEDIA
 203 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 204 #elif defined(WXUSINGDLL)
 205 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 206 #else /* not making nor using DLL */
 207 #    define WXDLLIMPEXP_MEDIA
 208 #endif
 209
 210 /* for backwards compatibility, define suffix-less versions too */
 211 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 212 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 213
 214 #endif /* _WX_DLIMPEXP_H_ */
 215