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_AUI
  87 #    define WXMAKINGDLL_MEDIA
  88 #endif /* WXMAKINGDLL */
  89
  90 /*
  91    WXDLLEXPORT maps to export declaration when building the DLL, to import
  92    declaration if using it or to nothing at all if we don't use wxWin as DLL
  93  */
  94 #ifdef WXMAKINGDLL_BASE
  95 #    define WXDLLIMPEXP_BASE WXEXPORT
  96 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
  97 #elif defined(WXUSINGDLL)
  98 #    define WXDLLIMPEXP_BASE WXIMPORT
  99 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
 100 #else /* not making nor using DLL */
 101 #    define WXDLLIMPEXP_BASE
 102 #    define WXDLLIMPEXP_DATA_BASE(type) type
 103 #endif
 104
 105 #ifdef WXMAKINGDLL_NET
 106 #    define WXDLLIMPEXP_NET WXEXPORT
 107 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 108 #elif defined(WXUSINGDLL)
 109 #    define WXDLLIMPEXP_NET WXIMPORT
 110 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 111 #else /* not making nor using DLL */
 112 #    define WXDLLIMPEXP_NET
 113 #    define WXDLLIMPEXP_DATA_NET(type) type
 114 #endif
 115
 116 #ifdef WXMAKINGDLL_CORE
 117 #    define WXDLLIMPEXP_CORE WXEXPORT
 118 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 119 #elif defined(WXUSINGDLL)
 120 #    define WXDLLIMPEXP_CORE WXIMPORT
 121 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 122 #else /* not making nor using DLL */
 123 #    define WXDLLIMPEXP_CORE
 124 #    define WXDLLIMPEXP_DATA_CORE(type) type
 125 #endif
 126
 127 #ifdef WXMAKINGDLL_ADV
 128 #    define WXDLLIMPEXP_ADV WXEXPORT
 129 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 130 #elif defined(WXUSINGDLL)
 131 #    define WXDLLIMPEXP_ADV WXIMPORT
 132 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 133 #else /* not making nor using DLL */
 134 #    define WXDLLIMPEXP_ADV
 135 #    define WXDLLIMPEXP_DATA_ADV(type) type
 136 #endif
 137
 138 #ifdef WXMAKINGDLL_ODBC
 139 #    define WXDLLIMPEXP_ODBC WXEXPORT
 140 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 141 #elif defined(WXUSINGDLL)
 142 #    define WXDLLIMPEXP_ODBC WXIMPORT
 143 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 144 #else /* not making nor using DLL */
 145 #    define WXDLLIMPEXP_ODBC
 146 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 147 #endif
 148
 149 #ifdef WXMAKINGDLL_QA
 150 #    define WXDLLIMPEXP_QA WXEXPORT
 151 #    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
 152 #elif defined(WXUSINGDLL)
 153 #    define WXDLLIMPEXP_QA WXIMPORT
 154 #    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
 155 #else /* not making nor using DLL */
 156 #    define WXDLLIMPEXP_QA
 157 #    define WXDLLIMPEXP_DATA_QA(type) type
 158 #endif
 159
 160 #ifdef WXMAKINGDLL_DBGRID
 161 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 162 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 163 #elif defined(WXUSINGDLL)
 164 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 165 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 166 #else /* not making nor using DLL */
 167 #    define WXDLLIMPEXP_DBGRID
 168 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 169 #endif
 170
 171 #ifdef WXMAKINGDLL_HTML
 172 #    define WXDLLIMPEXP_HTML WXEXPORT
 173 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 174 #elif defined(WXUSINGDLL)
 175 #    define WXDLLIMPEXP_HTML WXIMPORT
 176 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 177 #else /* not making nor using DLL */
 178 #    define WXDLLIMPEXP_HTML
 179 #    define WXDLLIMPEXP_DATA_HTML(type) type
 180 #endif
 181
 182 #ifdef WXMAKINGDLL_GL
 183 #    define WXDLLIMPEXP_GL WXEXPORT
 184 #elif defined(WXUSINGDLL)
 185 #    define WXDLLIMPEXP_GL WXIMPORT
 186 #else /* not making nor using DLL */
 187 #    define WXDLLIMPEXP_GL
 188 #endif
 189
 190 #ifdef WXMAKINGDLL_XML
 191 #    define WXDLLIMPEXP_XML WXEXPORT
 192 #elif defined(WXUSINGDLL)
 193 #    define WXDLLIMPEXP_XML WXIMPORT
 194 #else /* not making nor using DLL */
 195 #    define WXDLLIMPEXP_XML
 196 #endif
 197
 198 #ifdef WXMAKINGDLL_XRC
 199 #    define WXDLLIMPEXP_XRC WXEXPORT
 200 #elif defined(WXUSINGDLL)
 201 #    define WXDLLIMPEXP_XRC WXIMPORT
 202 #else /* not making nor using DLL */
 203 #    define WXDLLIMPEXP_XRC
 204 #endif
 205
 206 #ifdef WXMAKINGDLL_AUI
 207 #    define WXDLLIMPEXP_AUI WXEXPORT
 208 #elif defined(WXUSINGDLL)
 209 #    define WXDLLIMPEXP_AUI WXIMPORT
 210 #else /* not making nor using DLL */
 211 #    define WXDLLIMPEXP_AUI
 212 #endif
 213
 214 #ifdef WXMAKINGDLL_MEDIA
 215 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 216 #elif defined(WXUSINGDLL)
 217 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 218 #else /* not making nor using DLL */
 219 #    define WXDLLIMPEXP_MEDIA
 220 #endif
 221
 222 /* for backwards compatibility, define suffix-less versions too */
 223 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 224 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 225
 226 #endif /* _WX_DLIMPEXP_H_ */
 227