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78 lines
2.2 KiB
78 lines
2.2 KiB
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile: cmOptionCommand.cxx,v $
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Language: C++
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Date: $Date: 2008-01-23 15:27:59 $
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Version: $Revision: 1.23 $
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmOptionCommand.h"
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// cmOptionCommand
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bool cmOptionCommand
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::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
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bool argError = false;
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if(args.size() < 2)
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{
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argError = true;
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}
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// for VTK 4.0 we have to support the option command with more than 3
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// arguments if CMAKE_MINIMUM_REQUIRED_VERSION is not defined, if
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// CMAKE_MINIMUM_REQUIRED_VERSION is defined, then we can have stricter
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// checking.
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if(this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION"))
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{
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if(args.size() > 3)
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{
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argError = true;
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}
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}
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if(argError)
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{
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std::string m = "called with incorrect number of arguments: ";
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for(size_t i =0; i < args.size(); ++i)
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{
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m += args[i];
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m += " ";
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}
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this->SetError(m.c_str());
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return false;
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}
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std::string initialValue = "Off";
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// Now check and see if the value has been stored in the cache
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// already, if so use that value and don't look for the program
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cmCacheManager::CacheIterator it =
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this->Makefile->GetCacheManager()->GetCacheIterator(args[0].c_str());
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if(!it.IsAtEnd())
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{
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if ( it.GetType() != cmCacheManager::UNINITIALIZED )
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{
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it.SetProperty("HELPSTRING", args[1].c_str());
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return true;
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}
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if ( it.GetValue() )
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{
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initialValue = it.GetValue();
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}
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}
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if(args.size() == 3)
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{
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initialValue = args[2];
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}
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this->Makefile->AddCacheDefinition(args[0].c_str(),
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cmSystemTools::IsOn(initialValue.c_str()),
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args[1].c_str());
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return true;
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}
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