81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
/*=========================================================================
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Program: Insight Segmentation & Registration Toolkit
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Insight Consortium. All rights reserved.
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmVariableRequiresCommand.h"
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#include "cmCacheManager.h"
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// cmLibraryCommand
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bool cmVariableRequiresCommand::InitialPass(std::vector<std::string> const& args)
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{
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if(args.size() < 3 )
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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cmSystemTools::ExpandListArguments(args, m_Arguments);
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return true;
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}
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void cmVariableRequiresCommand::FinalPass()
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{
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std::string testVarible = m_Arguments[0];
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if(!m_Makefile->IsOn(testVarible.c_str()))
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{
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return;
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}
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std::string resultVarible = m_Arguments[1];
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bool requirementsMet = true;
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std::string notSet;
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bool hasAdvanced = false;
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for(unsigned int i = 2; i < m_Arguments.size(); ++i)
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{
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if(!m_Makefile->IsOn(m_Arguments[i].c_str()))
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{
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requirementsMet = false;
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notSet += m_Arguments[i];
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notSet += "\n";
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cmCacheManager::CacheIterator it =
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m_Makefile->GetCacheManager()->GetCacheIterator(m_Arguments[i].c_str());
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if(!it.IsAtEnd() && it.GetPropertyAsBool("ADVANCED"))
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{
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hasAdvanced = true;
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}
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}
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}
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const char* reqVar = m_Makefile->GetDefinition(resultVarible.c_str());
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// if reqVar is unset, then set it to requirementsMet
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// if reqVar is set to true, but requirementsMet is false , then
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// set reqVar to false.
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if(!reqVar || (!requirementsMet && m_Makefile->IsOn(reqVar)))
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{
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m_Makefile->AddDefinition(resultVarible.c_str(), requirementsMet);
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}
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if(!requirementsMet)
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{
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std::string message = "Variable assertion failed:\n";
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message += testVarible + " Requires that the following unset varibles are set:\n";
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message += notSet;
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message += "\nPlease set them, or set ";
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message += testVarible + " to false, and re-configure.\n";
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if(hasAdvanced)
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{
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message += "One or more of the required variables is advanced. To set the variable, you must turn on advanced mode in cmake.";
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}
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cmSystemTools::Error(message.c_str());
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}
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}
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