moved DLL import/export declarations from wx/defs.h to (new) wx/dlimpexp.h for GSocket; added wxUnusedVar() and wxDUMMY_INITIALIZE() to wx/defs.h
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@24195 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
182
include/wx/dlimpexp.h
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182
include/wx/dlimpexp.h
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/*
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* Name: wx/dlimpexp.h
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* Purpose: Macros for declaring DLL-imported/exported functions
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* Author: Vadim Zeitlin
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* Modified by:
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* Created: 16.10.2003 (extracted from wx/defs.h)
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* RCS-ID: $Id$
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* Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
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* Licence: wxWindows licence
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*/
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/*
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This is a C file, not C++ one, do not use C++ comments here!
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*/
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#ifndef _WX_DLIMPEXP_H_
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#define _WX_DLIMPEXP_H_
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#if defined(__WXMSW__)
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/*
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__declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
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as VC++ and gcc
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*/
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# if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__GNUC__) || defined(__WATCOMC__)
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# define WXEXPORT __declspec(dllexport)
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# define WXIMPORT __declspec(dllimport)
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# else /* compiler doesn't support __declspec() */
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# define WXEXPORT
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# define WXIMPORT
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# endif
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#elif defined(__WXPM__)
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# if defined (__WATCOMC__)
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# define WXEXPORT __declspec(dllexport)
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/*
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__declspec(dllimport) prepends __imp to imported symbols. We do NOT
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want that!
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*/
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# define WXIMPORT
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# elif (!(defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 )))
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# define WXEXPORT _Export
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# define WXIMPORT _Export
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# endif
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#elif defined(__WXMAC__) || defined(__WXCOCOA__)
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# ifdef __MWERKS__
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# define WXEXPORT __declspec(export)
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# define WXIMPORT __declspec(import)
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# endif
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#endif
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/* for other platforms/compilers we don't anything */
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#ifndef WXEXPORT
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# define WXEXPORT
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# define WXIMPORT
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#endif
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/*
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We support building wxWindows as a set of several libraries but we don't
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support arbitrary combinations of libs/DLLs: either we build all of them as
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DLLs (in which case WXMAKINGDLL is defined) or none (it isn't).
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However we have a problem because we need separate WXDLLEXPORT versions for
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different libraries as, for example, wxString class should be dllexported
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when compiled in wxBase and dllimported otherwise, so we do define separate
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WXMAKING/USINGDLL_XYZ constants for each component XYZ.
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*/
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#ifdef WXMAKINGDLL
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# if wxUSE_BASE
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# define WXMAKINGDLL_BASE
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# endif
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# define WXMAKINGDLL_NET
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# define WXMAKINGDLL_CORE
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# define WXMAKINGDLL_ADV
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# define WXMAKINGDLL_ODBC
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# define WXMAKINGDLL_DBGRID
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# define WXMAKINGDLL_HTML
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# define WXMAKINGDLL_XML
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#endif /* WXMAKINGDLL */
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/*
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WXDLLEXPORT maps to export declaration when building the DLL, to import
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declaration if using it or to nothing at all if we don't use wxWin as DLL
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*/
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#ifdef WXMAKINGDLL_BASE
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# define WXDLLIMPEXP_BASE WXEXPORT
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# define WXDLLIMPEXP_DATA_BASE(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_BASE WXIMPORT
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# define WXDLLIMPEXP_DATA_BASE(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_BASE
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# define WXDLLIMPEXP_DATA_BASE(type) type
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#endif
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#ifdef WXMAKINGDLL_NET
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# define WXDLLIMPEXP_NET WXEXPORT
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# define WXDLLIMPEXP_DATA_NET(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_NET WXIMPORT
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# define WXDLLIMPEXP_DATA_NET(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_NET
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# define WXDLLIMPEXP_DATA_NET(type) type
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#endif
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#ifdef WXMAKINGDLL_CORE
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# define WXDLLIMPEXP_CORE WXEXPORT
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# define WXDLLIMPEXP_DATA_CORE(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_CORE WXIMPORT
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# define WXDLLIMPEXP_DATA_CORE(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_CORE
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# define WXDLLIMPEXP_DATA_CORE(type) type
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#endif
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#ifdef WXMAKINGDLL_ADV
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# define WXDLLIMPEXP_ADV WXEXPORT
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# define WXDLLIMPEXP_DATA_ADV(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_ADV WXIMPORT
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# define WXDLLIMPEXP_DATA_ADV(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_ADV
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# define WXDLLIMPEXP_DATA_ADV(type) type
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#endif
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#ifdef WXMAKINGDLL_ODBC
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# define WXDLLIMPEXP_ODBC WXEXPORT
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# define WXDLLIMPEXP_DATA_ODBC(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_ODBC WXIMPORT
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# define WXDLLIMPEXP_DATA_ODBC(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_ODBC
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# define WXDLLIMPEXP_DATA_ODBC(type) type
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#endif
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#ifdef WXMAKINGDLL_DBGRID
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# define WXDLLIMPEXP_DBGRID WXEXPORT
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# define WXDLLIMPEXP_DATA_DBGRID(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_DBGRID WXIMPORT
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# define WXDLLIMPEXP_DATA_DBGRID(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_DBGRID
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# define WXDLLIMPEXP_DATA_DBGRID(type) type
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#endif
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#ifdef WXMAKINGDLL_HTML
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# define WXDLLIMPEXP_HTML WXEXPORT
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# define WXDLLIMPEXP_DATA_HTML(type) WXEXPORT type
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_HTML WXIMPORT
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# define WXDLLIMPEXP_DATA_HTML(type) WXIMPORT type
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_HTML
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# define WXDLLIMPEXP_DATA_HTML(type) type
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#endif
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#ifdef WXMAKINGDLL_GL
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# define WXDLLIMPEXP_GL WXEXPORT
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_GL WXIMPORT
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_GL
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#endif
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#ifdef WXMAKINGDLL_XML
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# define WXDLLIMPEXP_XML WXEXPORT
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#elif defined(WXUSINGDLL)
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# define WXDLLIMPEXP_XML WXIMPORT
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#else /* not making nor using DLL */
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# define WXDLLIMPEXP_XML
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#endif
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/* for backwards compatibility, define suffix-less versions too */
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#define WXDLLEXPORT WXDLLIMPEXP_CORE
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#define WXDLLEXPORT_DATA WXDLLIMPEXP_DATA_CORE
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#endif /* _WX_DLIMPEXP_H_ */
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