mirror of
https://github.com/reactos/CMake.git
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82 lines
2.5 KiB
C++
82 lines
2.5 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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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 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 "cmVariableRequiresCommand.h"
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#include "cmCacheManager.h"
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// cmLibraryCommand
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bool cmVariableRequiresCommand
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::InitialPass(std::vector<std::string>const& args, cmExecutionStatus &)
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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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std::string testVariable = args[0];
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if(!this->Makefile->IsOn(testVariable.c_str()))
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{
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return true;
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}
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std::string resultVariable = args[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 < args.size(); ++i)
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{
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if(!this->Makefile->IsOn(args[i].c_str()))
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{
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requirementsMet = false;
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notSet += args[i];
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notSet += "\n";
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cmCacheManager::CacheIterator it =
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this->Makefile->GetCacheManager()->GetCacheIterator(args[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 = this->Makefile->GetDefinition(resultVariable.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 && this->Makefile->IsOn(reqVar)))
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{
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this->Makefile->AddDefinition(resultVariable.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 += testVariable +
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" Requires that the following unset variables are set:\n";
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message += notSet;
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message += "\nPlease set them, or set ";
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message += testVariable + " to false, and re-configure.\n";
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if(hasAdvanced)
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{
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message +=
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"One or more of the required variables is advanced."
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" 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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return true;
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}
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