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_ODBC
  81 #    define WXMAKINGDLL_DBGRID
  82 #    define WXMAKINGDLL_HTML
  83 #    define WXMAKINGDLL_GL
  84 #    define WXMAKINGDLL_XML
  85 #    define WXMAKINGDLL_XRC
  86 #    define WXMAKINGDLL_MEDIA
  87 #endif /* WXMAKINGDLL */
  88
  89 /*
  90    WXDLLEXPORT maps to export declaration when building the DLL, to import
  91    declaration if using it or to nothing at all if we don't use wxWin as DLL
  92  */
  93 #ifdef WXMAKINGDLL_BASE
  94 #    define WXDLLIMPEXP_BASE WXEXPORT
  95 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
  96 #elif defined(WXUSINGDLL)
  97 #    define WXDLLIMPEXP_BASE WXIMPORT
  98 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
  99 #else /* not making nor using DLL */
 100 #    define WXDLLIMPEXP_BASE
 101 #    define WXDLLIMPEXP_DATA_BASE(type) type
 102 #endif
 103
 104 #ifdef WXMAKINGDLL_NET
 105 #    define WXDLLIMPEXP_NET WXEXPORT
 106 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 107 #elif defined(WXUSINGDLL)
 108 #    define WXDLLIMPEXP_NET WXIMPORT
 109 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 110 #else /* not making nor using DLL */
 111 #    define WXDLLIMPEXP_NET
 112 #    define WXDLLIMPEXP_DATA_NET(type) type
 113 #endif
 114
 115 #ifdef WXMAKINGDLL_CORE
 116 #    define WXDLLIMPEXP_CORE WXEXPORT
 117 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 118 #elif defined(WXUSINGDLL)
 119 #    define WXDLLIMPEXP_CORE WXIMPORT
 120 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 121 #else /* not making nor using DLL */
 122 #    define WXDLLIMPEXP_CORE
 123 #    define WXDLLIMPEXP_DATA_CORE(type) type
 124 #endif
 125
 126 #ifdef WXMAKINGDLL_ADV
 127 #    define WXDLLIMPEXP_ADV WXEXPORT
 128 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 129 #elif defined(WXUSINGDLL)
 130 #    define WXDLLIMPEXP_ADV WXIMPORT
 131 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 132 #else /* not making nor using DLL */
 133 #    define WXDLLIMPEXP_ADV
 134 #    define WXDLLIMPEXP_DATA_ADV(type) type
 135 #endif
 136
 137 #ifdef WXMAKINGDLL_ODBC
 138 #    define WXDLLIMPEXP_ODBC WXEXPORT
 139 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 140 #elif defined(WXUSINGDLL)
 141 #    define WXDLLIMPEXP_ODBC WXIMPORT
 142 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 143 #else /* not making nor using DLL */
 144 #    define WXDLLIMPEXP_ODBC
 145 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 146 #endif
 147
 148 #ifdef WXMAKINGDLL_QA
 149 #    define WXDLLIMPEXP_QA WXEXPORT
 150 #    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
 151 #elif defined(WXUSINGDLL)
 152 #    define WXDLLIMPEXP_QA WXIMPORT
 153 #    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
 154 #else /* not making nor using DLL */
 155 #    define WXDLLIMPEXP_QA
 156 #    define WXDLLIMPEXP_DATA_QA(type) type
 157 #endif
 158
 159 #ifdef WXMAKINGDLL_DBGRID
 160 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 161 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 162 #elif defined(WXUSINGDLL)
 163 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 164 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 165 #else /* not making nor using DLL */
 166 #    define WXDLLIMPEXP_DBGRID
 167 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 168 #endif
 169
 170 #ifdef WXMAKINGDLL_HTML
 171 #    define WXDLLIMPEXP_HTML WXEXPORT
 172 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 173 #elif defined(WXUSINGDLL)
 174 #    define WXDLLIMPEXP_HTML WXIMPORT
 175 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 176 #else /* not making nor using DLL */
 177 #    define WXDLLIMPEXP_HTML
 178 #    define WXDLLIMPEXP_DATA_HTML(type) type
 179 #endif
 180
 181 #ifdef WXMAKINGDLL_GL
 182 #    define WXDLLIMPEXP_GL WXEXPORT
 183 #elif defined(WXUSINGDLL)
 184 #    define WXDLLIMPEXP_GL WXIMPORT
 185 #else /* not making nor using DLL */
 186 #    define WXDLLIMPEXP_GL
 187 #endif
 188
 189 #ifdef WXMAKINGDLL_XML
 190 #    define WXDLLIMPEXP_XML WXEXPORT
 191 #elif defined(WXUSINGDLL)
 192 #    define WXDLLIMPEXP_XML WXIMPORT
 193 #else /* not making nor using DLL */
 194 #    define WXDLLIMPEXP_XML
 195 #endif
 196
 197 #ifdef WXMAKINGDLL_XRC
 198 #    define WXDLLIMPEXP_XRC WXEXPORT
 199 #elif defined(WXUSINGDLL)
 200 #    define WXDLLIMPEXP_XRC WXIMPORT
 201 #else /* not making nor using DLL */
 202 #    define WXDLLIMPEXP_XRC
 203 #endif
 204
 205 #ifdef WXMAKINGDLL_MEDIA
 206 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 207 #elif defined(WXUSINGDLL)
 208 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 209 #else /* not making nor using DLL */
 210 #    define WXDLLIMPEXP_MEDIA
 211 #endif
 212
 213 /* for backwards compatibility, define suffix-less versions too */
 214 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 215 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 216
 217 #endif /* _WX_DLIMPEXP_H_ */
 218