2008-12-08 04:36:27 +00:00
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/////////////////////////////////////////////////////////////////////////////
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// Name: forcelnk.h
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// Purpose: see bellow
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// Author: Vaclav Slavik
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// RCS-ID: $Id: forcelnk.h 35686 2005-09-25 18:46:14Z VZ $
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// Copyright: (c) Vaclav Slavik
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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/*
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DESCRPITON:
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mod_*.cpp files contain handlers for tags. These files are modules - they contain
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one wxTagModule class and it's OnInit() method is called from wxApp's init method.
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The module is called even if you only link it into the executable, so everything
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seems wonderful.
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The problem is that we have these modules in LIBRARY and mod_*.cpp files contain
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no method nor class which is known out of the module. So the linker won't
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link these .o/.obj files into executable because it detected that it is not used
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by the program.
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To workaround this I introduced set of macros FORCE_LINK_ME and FORCE_LINK. These
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macros are generic and are not limited to mod_*.cpp files. You may find them quite
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useful somewhere else...
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How to use them:
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let's suppose you want to always link file foo.cpp and that you have module
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always.cpp that is certainly always linked (e.g. the one with main() function
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or htmlwin.cpp in wxHtml library).
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Place FORCE_LINK_ME(foo) somewhere in foo.cpp and FORCE_LINK(foo) somewhere
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in always.cpp
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See mod_*.cpp and htmlwin.cpp for example :-)
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*/
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#ifndef _WX_FORCELNK_H_
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#define _WX_FORCELNK_H_
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#include "wx/link.h"
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// compatibility defines
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#define FORCE_LINK wxFORCE_LINK_MODULE
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#define FORCE_LINK_ME wxFORCE_LINK_THIS_MODULE
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#define FORCE_WXHTML_MODULES() \
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FORCE_LINK(m_layout) \
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FORCE_LINK(m_fonts) \
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FORCE_LINK(m_image) \
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FORCE_LINK(m_list) \
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FORCE_LINK(m_dflist) \
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FORCE_LINK(m_pre) \
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FORCE_LINK(m_hline) \
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FORCE_LINK(m_links) \
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FORCE_LINK(m_tables) \
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FORCE_LINK(m_style)
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#endif // _WX_FORCELNK_H_
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