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_RICHTEXT
  89 #    define WXMAKINGDLL_MEDIA
  90 #endif /* WXMAKINGDLL */
  91
  92 /*
  93    WXDLLEXPORT maps to export declaration when building the DLL, to import
  94    declaration if using it or to nothing at all if we don't use wxWin as DLL
  95  */
  96 #ifdef WXMAKINGDLL_BASE
  97 #    define WXDLLIMPEXP_BASE WXEXPORT
  98 #    define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
  99 #elif defined(WXUSINGDLL)
 100 #    define WXDLLIMPEXP_BASE WXIMPORT
 101 #    define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
 102 #else /* not making nor using DLL */
 103 #    define WXDLLIMPEXP_BASE
 104 #    define WXDLLIMPEXP_DATA_BASE(type) type
 105 #endif
 106
 107 #ifdef WXMAKINGDLL_NET
 108 #    define WXDLLIMPEXP_NET WXEXPORT
 109 #    define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
 110 #elif defined(WXUSINGDLL)
 111 #    define WXDLLIMPEXP_NET WXIMPORT
 112 #    define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
 113 #else /* not making nor using DLL */
 114 #    define WXDLLIMPEXP_NET
 115 #    define WXDLLIMPEXP_DATA_NET(type) type
 116 #endif
 117
 118 #ifdef WXMAKINGDLL_CORE
 119 #    define WXDLLIMPEXP_CORE WXEXPORT
 120 #    define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
 121 #elif defined(WXUSINGDLL)
 122 #    define WXDLLIMPEXP_CORE WXIMPORT
 123 #    define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
 124 #else /* not making nor using DLL */
 125 #    define WXDLLIMPEXP_CORE
 126 #    define WXDLLIMPEXP_DATA_CORE(type) type
 127 #endif
 128
 129 #ifdef WXMAKINGDLL_ADV
 130 #    define WXDLLIMPEXP_ADV WXEXPORT
 131 #    define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
 132 #elif defined(WXUSINGDLL)
 133 #    define WXDLLIMPEXP_ADV WXIMPORT
 134 #    define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
 135 #else /* not making nor using DLL */
 136 #    define WXDLLIMPEXP_ADV
 137 #    define WXDLLIMPEXP_DATA_ADV(type) type
 138 #endif
 139
 140 #ifdef WXMAKINGDLL_ODBC
 141 #    define WXDLLIMPEXP_ODBC WXEXPORT
 142 #    define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
 143 #elif defined(WXUSINGDLL)
 144 #    define WXDLLIMPEXP_ODBC WXIMPORT
 145 #    define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
 146 #else /* not making nor using DLL */
 147 #    define WXDLLIMPEXP_ODBC
 148 #    define WXDLLIMPEXP_DATA_ODBC(type) type
 149 #endif
 150
 151 #ifdef WXMAKINGDLL_QA
 152 #    define WXDLLIMPEXP_QA WXEXPORT
 153 #    define WXDLLIMPEXP_DATA_QA(type) WXEXPORT type
 154 #elif defined(WXUSINGDLL)
 155 #    define WXDLLIMPEXP_QA WXIMPORT
 156 #    define WXDLLIMPEXP_DATA_QA(type) WXIMPORT type
 157 #else /* not making nor using DLL */
 158 #    define WXDLLIMPEXP_QA
 159 #    define WXDLLIMPEXP_DATA_QA(type) type
 160 #endif
 161
 162 #ifdef WXMAKINGDLL_DBGRID
 163 #    define WXDLLIMPEXP_DBGRID WXEXPORT
 164 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
 165 #elif defined(WXUSINGDLL)
 166 #    define WXDLLIMPEXP_DBGRID WXIMPORT
 167 #    define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
 168 #else /* not making nor using DLL */
 169 #    define WXDLLIMPEXP_DBGRID
 170 #    define WXDLLIMPEXP_DATA_DBGRID(type) type
 171 #endif
 172
 173 #ifdef WXMAKINGDLL_HTML
 174 #    define WXDLLIMPEXP_HTML WXEXPORT
 175 #    define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
 176 #elif defined(WXUSINGDLL)
 177 #    define WXDLLIMPEXP_HTML WXIMPORT
 178 #    define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
 179 #else /* not making nor using DLL */
 180 #    define WXDLLIMPEXP_HTML
 181 #    define WXDLLIMPEXP_DATA_HTML(type) type
 182 #endif
 183
 184 #ifdef WXMAKINGDLL_GL
 185 #    define WXDLLIMPEXP_GL WXEXPORT
 186 #elif defined(WXUSINGDLL)
 187 #    define WXDLLIMPEXP_GL WXIMPORT
 188 #else /* not making nor using DLL */
 189 #    define WXDLLIMPEXP_GL
 190 #endif
 191
 192 #ifdef WXMAKINGDLL_XML
 193 #    define WXDLLIMPEXP_XML WXEXPORT
 194 #elif defined(WXUSINGDLL)
 195 #    define WXDLLIMPEXP_XML WXIMPORT
 196 #else /* not making nor using DLL */
 197 #    define WXDLLIMPEXP_XML
 198 #endif
 199
 200 #ifdef WXMAKINGDLL_XRC
 201 #    define WXDLLIMPEXP_XRC WXEXPORT
 202 #elif defined(WXUSINGDLL)
 203 #    define WXDLLIMPEXP_XRC WXIMPORT
 204 #else /* not making nor using DLL */
 205 #    define WXDLLIMPEXP_XRC
 206 #endif
 207
 208 #ifdef WXMAKINGDLL_AUI
 209 #    define WXDLLIMPEXP_AUI WXEXPORT
 210 #elif defined(WXUSINGDLL)
 211 #    define WXDLLIMPEXP_AUI WXIMPORT
 212 #else /* not making nor using DLL */
 213 #    define WXDLLIMPEXP_AUI
 214 #endif
 215
 216 #ifdef WXMAKINGDLL_RICHTEXT
 217 #    define WXDLLIMPEXP_RICHTEXT WXEXPORT
 218 #elif defined(WXUSINGDLL)
 219 #    define WXDLLIMPEXP_RICHTEXT WXIMPORT
 220 #else /* not making nor using DLL */
 221 #    define WXDLLIMPEXP_RICHTEXT
 222 #endif
 223
 224 #ifdef WXMAKINGDLL_MEDIA
 225 #    define WXDLLIMPEXP_MEDIA WXEXPORT
 226 #elif defined(WXUSINGDLL)
 227 #    define WXDLLIMPEXP_MEDIA WXIMPORT
 228 #else /* not making nor using DLL */
 229 #    define WXDLLIMPEXP_MEDIA
 230 #endif
 231
 232 /* for backwards compatibility, define suffix-less versions too */
 233 #define WXDLLEXPORT WXDLLIMPEXP_CORE
 234 #define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
 235
 236 #endif /* _WX_DLIMPEXP_H_ */
 237