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_XML
  81 #    define WXMAKINGDLL_XRC
  82 #    define WXMAKINGDLL_MEDIA
  83 #endif /* WXMAKINGDLL */
  84
  85 /*
  86    WXDLLEXPORT maps to export declaration when building the DLL, to import
  87    declaration if using it or to nothing at all if we don't use wxWin as DLL
  88  */
  89 #ifdef WXMAKINGDLL_BASE
  90 #    define WXDLLIMPEXP_BASE WXEXPORT
  91 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
  92 #elif defined(WXUSINGDLL)
  93 #    define WXDLLIMPEXP_BASE WXIMPORT
  94 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
  95 #else /* not making nor using DLL */
  96 #    define WXDLLIMPEXP_BASE
  97 #    define WXDLLIMPEXP_DATA_BASE(type) type
  98 #endif
  99
 100 #ifdef WXMAKINGDLL_NET
 101 #    define WXDLLIMPEXP_NET WXEXPORT
 102 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 103 #elif defined(WXUSINGDLL)
 104 #    define WXDLLIMPEXP_NET WXIMPORT
 105 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 106 #else /* not making nor using DLL */
 107 #    define WXDLLIMPEXP_NET
 108 #    define WXDLLIMPEXP_DATA_NET(type) type
 109 #endif
 110
 111 #ifdef WXMAKINGDLL_CORE
 112 #    define WXDLLIMPEXP_CORE WXEXPORT
 113 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 114 #elif defined(WXUSINGDLL)
 115 #    define WXDLLIMPEXP_CORE WXIMPORT
 116 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 117 #else /* not making nor using DLL */
 118 #    define WXDLLIMPEXP_CORE
 119 #    define WXDLLIMPEXP_DATA_CORE(type) type
 120 #endif
 121
 122 #ifdef WXMAKINGDLL_ADV
 123 #    define WXDLLIMPEXP_ADV WXEXPORT
 124 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 125 #elif defined(WXUSINGDLL)
 126 #    define WXDLLIMPEXP_ADV WXIMPORT
 127 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 128 #else /* not making nor using DLL */
 129 #    define WXDLLIMPEXP_ADV
 130 #    define WXDLLIMPEXP_DATA_ADV(type) type
 131 #endif
 132
 133 #ifdef WXMAKINGDLL_ODBC
 134 #    define WXDLLIMPEXP_ODBC WXEXPORT
 135 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 136 #elif defined(WXUSINGDLL)
 137 #    define WXDLLIMPEXP_ODBC WXIMPORT
 138 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 139 #else /* not making nor using DLL */
 140 #    define WXDLLIMPEXP_ODBC
 141 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 142 #endif
 143
 144 #ifdef WXMAKINGDLL_DBGRID
 145 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 146 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 147 #elif defined(WXUSINGDLL)
 148 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 149 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 150 #else /* not making nor using DLL */
 151 #    define WXDLLIMPEXP_DBGRID
 152 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 153 #endif
 154
 155 #ifdef WXMAKINGDLL_HTML
 156 #    define WXDLLIMPEXP_HTML WXEXPORT
 157 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 158 #elif defined(WXUSINGDLL)
 159 #    define WXDLLIMPEXP_HTML WXIMPORT
 160 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 161 #else /* not making nor using DLL */
 162 #    define WXDLLIMPEXP_HTML
 163 #    define WXDLLIMPEXP_DATA_HTML(type) type
 164 #endif
 165
 166 #ifdef WXMAKINGDLL_GL
 167 #    define WXDLLIMPEXP_GL WXEXPORT
 168 #elif defined(WXUSINGDLL)
 169 #    define WXDLLIMPEXP_GL WXIMPORT
 170 #else /* not making nor using DLL */
 171 #    define WXDLLIMPEXP_GL
 172 #endif
 173
 174 #ifdef WXMAKINGDLL_XML
 175 #    define WXDLLIMPEXP_XML WXEXPORT
 176 #elif defined(WXUSINGDLL)
 177 #    define WXDLLIMPEXP_XML WXIMPORT
 178 #else /* not making nor using DLL */
 179 #    define WXDLLIMPEXP_XML
 180 #endif
 181
 182 #ifdef WXMAKINGDLL_XRC
 183 #    define WXDLLIMPEXP_XRC WXEXPORT
 184 #elif defined(WXUSINGDLL)
 185 #    define WXDLLIMPEXP_XRC WXIMPORT
 186 #else /* not making nor using DLL */
 187 #    define WXDLLIMPEXP_XRC
 188 #endif
 189
 190 #ifdef WXMAKINGDLL_MEDIA
 191 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 192 #elif defined(WXUSINGDLL)
 193 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 194 #else /* not making nor using DLL */
 195 #    define WXDLLIMPEXP_MEDIA
 196 #endif
 197
 198 /* for backwards compatibility, define suffix-less versions too */
 199 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 200 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 201
 202 #endif /* _WX_DLIMPEXP_H_ */
 203