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78 lines
2.5 KiB
78 lines
2.5 KiB
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile: cmComputeTargetDepends.h,v $
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Language: C++
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Date: $Date: 2008-09-03 13:43:17 $
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Version: $Revision: 1.2.2.1 $
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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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#ifndef cmComputeTargetDepends_h
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#define cmComputeTargetDepends_h
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#include "cmStandardIncludes.h"
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#include "cmGraphAdjacencyList.h"
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#include <stack>
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class cmComputeComponentGraph;
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class cmGlobalGenerator;
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class cmTarget;
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/** \class cmComputeTargetDepends
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* \brief Compute global interdependencies among targets.
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*
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* Static libraries may form cycles in the target dependency graph.
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* This class evaluates target dependencies globally and adjusts them
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* to remove cycles while preserving a safe build order.
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*/
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class cmComputeTargetDepends
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{
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public:
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cmComputeTargetDepends(cmGlobalGenerator* gg);
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~cmComputeTargetDepends();
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bool Compute();
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std::vector<cmTarget*> const& GetTargets() const { return this->Targets; }
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void GetTargetDirectDepends(cmTarget* t, std::set<cmTarget*>& deps);
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private:
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void CollectTargets();
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void CollectDepends();
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void CollectTargetDepends(int depender_index);
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void AddTargetDepend(int depender_index, const char* dependee_name,
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bool linking);
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void ComputeFinalDepends(cmComputeComponentGraph const& ccg);
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cmGlobalGenerator* GlobalGenerator;
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bool DebugMode;
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// Collect all targets.
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std::vector<cmTarget*> Targets;
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std::map<cmTarget*, int> TargetIndex;
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// Represent the target dependency graph. The entry at each
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// top-level index corresponds to a depender whose dependencies are
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// listed.
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typedef cmGraphNodeList NodeList;
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typedef cmGraphAdjacencyList Graph;
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Graph InitialGraph;
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Graph FinalGraph;
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void DisplayGraph(Graph const& graph, const char* name);
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// Deal with connected components.
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void DisplayComponents(cmComputeComponentGraph const& ccg);
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bool CheckComponents(cmComputeComponentGraph const& ccg);
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void ComplainAboutBadComponent(cmComputeComponentGraph const& ccg, int c);
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};
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#endif
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