/*============================================================================ CMake - Cross Platform Makefile Generator Copyright 2000-2009 Kitware, Inc., Insight Software Consortium Distributed under the OSI-approved BSD License (the "License"); see accompanying file Copyright.txt for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the License for more information. ============================================================================*/ #include "cmOptionCommand.h" // cmOptionCommand bool cmOptionCommand ::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &) { bool argError = false; if(args.size() < 2) { argError = true; } // for VTK 4.0 we have to support the option command with more than 3 // arguments if CMAKE_MINIMUM_REQUIRED_VERSION is not defined, if // CMAKE_MINIMUM_REQUIRED_VERSION is defined, then we can have stricter // checking. if(this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION")) { if(args.size() > 3) { argError = true; } } if(argError) { std::string m = "called with incorrect number of arguments: "; for(size_t i =0; i < args.size(); ++i) { m += args[i]; m += " "; } this->SetError(m); return false; } std::string initialValue = "Off"; // Now check and see if the value has been stored in the cache // already, if so use that value and don't look for the program cmCacheManager::CacheIterator it = this->Makefile->GetCacheManager()->GetCacheIterator(args[0].c_str()); if(!it.IsAtEnd()) { if ( it.GetType() != cmCacheManager::UNINITIALIZED ) { it.SetProperty("HELPSTRING", args[1].c_str()); return true; } initialValue = it.GetValue(); } if(args.size() == 3) { initialValue = args[2]; } bool init = cmSystemTools::IsOn(initialValue.c_str()); this->Makefile->AddCacheDefinition(args[0], init? "ON":"OFF", args[1].c_str(), cmCacheManager::BOOL); return true; }