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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.
74 lines
2.3 KiB
C++
74 lines
2.3 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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#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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bool NoCycles;
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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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