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
@@ -16,6 +16,10 @@
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#pragma interface "defs.h"
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#endif
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#ifndef __cplusplus
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#error "This header is for C++ code only"
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#endif
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// ----------------------------------------------------------------------------
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// compiler and OS identification
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// ----------------------------------------------------------------------------
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@@ -350,165 +354,8 @@ typedef int wxWindowID;
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// compatibility :-(
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#define CMPFUNC_CONV wxCMPFUNC_CONV
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// ----------------------------------------------------------------------------
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// Making or using wxWindows as a Windows DLL
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// ----------------------------------------------------------------------------
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#if defined(__WXMSW__)
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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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#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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// __declspec(dllimport) prepends __imp to imported symbols. We do NOT
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// want that!
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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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// 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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#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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// DLL import/export declarations
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#include "wx/dlimpexp.h"
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// ----------------------------------------------------------------------------
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// Very common macros
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@@ -545,29 +392,13 @@ typedef int wxWindowID;
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#endif
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// everybody gets the assert and other debug macros
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#ifdef __cplusplus
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#include "wx/debug.h"
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#endif
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// NULL declaration: it must be defined as 0 for C++ programs (in particular,
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// it must not be defined as "(void *)0" which is standard for C but completely
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// breaks C++ code)
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#include <stddef.h>
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// Macro to cut down on compiler warnings.
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#if REMOVE_UNUSED_ARG
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#define WXUNUSED(identifier) /* identifier */
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#else // stupid, broken compiler
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#define WXUNUSED(identifier) identifier
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#endif
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// some arguments are only used in debug mode, but unused in release one
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#ifdef __WXDEBUG__
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#define WXUNUSED_UNLESS_DEBUG(param) param
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#else
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#define WXUNUSED_UNLESS_DEBUG(param) WXUNUSED(param)
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#endif
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// delete pointer if it is not NULL and NULL it afterwards
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// (checking that it's !NULL before passing it to delete is just a
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// a question of style, because delete will do it itself anyhow, but it might
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@@ -596,6 +427,39 @@ typedef int wxWindowID;
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// integer on success as failure indicator
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#define wxNOT_FOUND (-1)
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// ----------------------------------------------------------------------------
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// macros to avoid compiler warnings
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// ----------------------------------------------------------------------------
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// Macro to cut down on compiler warnings.
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#if 1 // there should be no more any compilers needing the "#else" version
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#define WXUNUSED(identifier) /* identifier */
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#else // stupid, broken compiler
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#define WXUNUSED(identifier) identifier
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#endif
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// some arguments are only used in debug mode, but unused in release one
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#ifdef __WXDEBUG__
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#define WXUNUSED_UNLESS_DEBUG(param) param
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#else
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#define WXUNUSED_UNLESS_DEBUG(param) WXUNUSED(param)
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#endif
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// some compilers give warning about a possibly unused variable if it is
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// initialized in both branches of if/else and shut up if it is initialized
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// when declared, but other compilers then give warnings about unused variable
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// value -- this should satisfy both of them
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#if defined(__VISUALC__)
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#define wxDUMMY_INITIALIZE(val) = val
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#else
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#define wxDUMMY_INITIALIZE(val)
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#endif
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// sometimes the value of a variable is *really* not used, to suppress the
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// resulting warning you may pass it to this function
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template <typename T>
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inline void wxUnusedVar(const T& WXUNUSED(t)) { }
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// ----------------------------------------------------------------------------
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// compiler specific settings
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// ----------------------------------------------------------------------------
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