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d912220eaa
Instead of storing just the string names in these structures, lookup any target associated with each item and store its cmTarget pointer. Use the cmLinkItem class to hold the name and pointer together. Update client sites to use the pre-stored lookup result instead of looking up the target name again. Create a cmTarget::LookupLinkItems helper method to handle the lookup. Since lookups are now moving from cmComputeLinkDepends::AddLinkEntries to cmTarget::LookupLinkItems, move use of CheckCMP0004 to the latter. This drops use of CheckCMP0004 from entries added for _LIB_DEPENDS variables by cmComputeLinkDepends::AddVarLinkEntries, but I do not think that use was intentional originally anyway.
92 lines
3.2 KiB
C++
92 lines
3.2 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 cmLinkItem;
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class cmTarget;
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class cmTargetDependSet;
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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*> const&
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GetTargets() const { return this->Targets; }
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void GetTargetDirectDepends(cmTarget const* t, cmTargetDependSet& 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,
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cmLinkItem const& dependee_name,
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bool linking);
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void AddTargetDepend(int depender_index, cmTarget const* dependee,
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bool linking);
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bool ComputeFinalDepends(cmComputeComponentGraph const& ccg);
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void AddInterfaceDepends(int depender_index,
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cmLinkItem const& dependee_name,
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std::set<std::string> &emitted);
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void AddInterfaceDepends(int depender_index, cmTarget const* dependee,
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const std::string& config,
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std::set<std::string> &emitted);
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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 const*> Targets;
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std::map<cmTarget const*, 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 cmGraphEdgeList EdgeList;
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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 std::string& 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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bool strong = false);
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std::vector<int> ComponentHead;
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std::vector<int> ComponentTail;
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bool IntraComponent(std::vector<int> const& cmap, int c, int i, int* head,
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std::set<int>& emitted, std::set<int>& visited);
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};
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#endif
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