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_QA
  81 #    define WXMAKINGDLL_ODBC
  82 #    define WXMAKINGDLL_DBGRID
  83 #    define WXMAKINGDLL_HTML
  84 #    define WXMAKINGDLL_GL
  85 #    define WXMAKINGDLL_XML
  86 #    define WXMAKINGDLL_XRC
  87 #    define WXMAKINGDLL_AUI
  88 #    define WXMAKINGDLL_MEDIA
  89 #endif /* WXMAKINGDLL */
  90
  91 /*
  92    WXDLLEXPORT maps to export declaration when building the DLL, to import
  93    declaration if using it or to nothing at all if we don't use wxWin as DLL
  94  */
  95 #ifdef WXMAKINGDLL_BASE
  96 #    define WXDLLIMPEXP_BASE WXEXPORT
  97 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
  98 #elif defined(WXUSINGDLL)
  99 #    define WXDLLIMPEXP_BASE WXIMPORT
 100 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
 101 #else /* not making nor using DLL */
 102 #    define WXDLLIMPEXP_BASE
 103 #    define WXDLLIMPEXP_DATA_BASE(type) type
 104 #endif
 105
 106 #ifdef WXMAKINGDLL_NET
 107 #    define WXDLLIMPEXP_NET WXEXPORT
 108 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 109 #elif defined(WXUSINGDLL)
 110 #    define WXDLLIMPEXP_NET WXIMPORT
 111 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 112 #else /* not making nor using DLL */
 113 #    define WXDLLIMPEXP_NET
 114 #    define WXDLLIMPEXP_DATA_NET(type) type
 115 #endif
 116
 117 #ifdef WXMAKINGDLL_CORE
 118 #    define WXDLLIMPEXP_CORE WXEXPORT
 119 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 120 #elif defined(WXUSINGDLL)
 121 #    define WXDLLIMPEXP_CORE WXIMPORT
 122 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 123 #else /* not making nor using DLL */
 124 #    define WXDLLIMPEXP_CORE
 125 #    define WXDLLIMPEXP_DATA_CORE(type) type
 126 #endif
 127
 128 #ifdef WXMAKINGDLL_ADV
 129 #    define WXDLLIMPEXP_ADV WXEXPORT
 130 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 131 #elif defined(WXUSINGDLL)
 132 #    define WXDLLIMPEXP_ADV WXIMPORT
 133 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 134 #else /* not making nor using DLL */
 135 #    define WXDLLIMPEXP_ADV
 136 #    define WXDLLIMPEXP_DATA_ADV(type) type
 137 #endif
 138
 139 #ifdef WXMAKINGDLL_ODBC
 140 #    define WXDLLIMPEXP_ODBC WXEXPORT
 141 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 142 #elif defined(WXUSINGDLL)
 143 #    define WXDLLIMPEXP_ODBC WXIMPORT
 144 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 145 #else /* not making nor using DLL */
 146 #    define WXDLLIMPEXP_ODBC
 147 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 148 #endif
 149
 150 #ifdef WXMAKINGDLL_QA
 151 #    define WXDLLIMPEXP_QA WXEXPORT
 152 #    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
 153 #elif defined(WXUSINGDLL)
 154 #    define WXDLLIMPEXP_QA WXIMPORT
 155 #    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
 156 #else /* not making nor using DLL */
 157 #    define WXDLLIMPEXP_QA
 158 #    define WXDLLIMPEXP_DATA_QA(type) type
 159 #endif
 160
 161 #ifdef WXMAKINGDLL_DBGRID
 162 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 163 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 164 #elif defined(WXUSINGDLL)
 165 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 166 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 167 #else /* not making nor using DLL */
 168 #    define WXDLLIMPEXP_DBGRID
 169 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 170 #endif
 171
 172 #ifdef WXMAKINGDLL_HTML
 173 #    define WXDLLIMPEXP_HTML WXEXPORT
 174 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 175 #elif defined(WXUSINGDLL)
 176 #    define WXDLLIMPEXP_HTML WXIMPORT
 177 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 178 #else /* not making nor using DLL */
 179 #    define WXDLLIMPEXP_HTML
 180 #    define WXDLLIMPEXP_DATA_HTML(type) type
 181 #endif
 182
 183 #ifdef WXMAKINGDLL_GL
 184 #    define WXDLLIMPEXP_GL WXEXPORT
 185 #elif defined(WXUSINGDLL)
 186 #    define WXDLLIMPEXP_GL WXIMPORT
 187 #else /* not making nor using DLL */
 188 #    define WXDLLIMPEXP_GL
 189 #endif
 190
 191 #ifdef WXMAKINGDLL_XML
 192 #    define WXDLLIMPEXP_XML WXEXPORT
 193 #elif defined(WXUSINGDLL)
 194 #    define WXDLLIMPEXP_XML WXIMPORT
 195 #else /* not making nor using DLL */
 196 #    define WXDLLIMPEXP_XML
 197 #endif
 198
 199 #ifdef WXMAKINGDLL_XRC
 200 #    define WXDLLIMPEXP_XRC WXEXPORT
 201 #elif defined(WXUSINGDLL)
 202 #    define WXDLLIMPEXP_XRC WXIMPORT
 203 #else /* not making nor using DLL */
 204 #    define WXDLLIMPEXP_XRC
 205 #endif
 206
 207 #ifdef WXMAKINGDLL_AUI
 208 #    define WXDLLIMPEXP_AUI WXEXPORT
 209 #elif defined(WXUSINGDLL)
 210 #    define WXDLLIMPEXP_AUI WXIMPORT
 211 #else /* not making nor using DLL */
 212 #    define WXDLLIMPEXP_AUI
 213 #endif
 214
 215 #ifdef WXMAKINGDLL_MEDIA
 216 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 217 #elif defined(WXUSINGDLL)
 218 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 219 #else /* not making nor using DLL */
 220 #    define WXDLLIMPEXP_MEDIA
 221 #endif
 222
 223 /* for backwards compatibility, define suffix-less versions too */
 224 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 225 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 226
 227 #endif /* _WX_DLIMPEXP_H_ */
 228