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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.
77 lines
2.4 KiB
C++
77 lines
2.4 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 "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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