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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License 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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this->Makefile->UseCacheDefinition(it);
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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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bool init = cmSystemTools::IsOn(initialValue.c_str());
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this->Makefile->AddCacheDefinition(args[0].c_str(), init? "ON":"OFF",
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args[1].c_str(), cmCacheManager::BOOL);
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return true;
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}
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