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