89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
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/*=========================================================================
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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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#ifndef cmOrderRuntimeDirectories_h
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#define cmOrderRuntimeDirectories_h
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#include "cmStandardIncludes.h"
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class cmGlobalGenerator;
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/** \class cmOrderRuntimeDirectories
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* \brief Compute a safe runtime path order for a set of shared libraries.
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*/
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class cmOrderRuntimeDirectories
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{
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public:
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cmOrderRuntimeDirectories(cmGlobalGenerator* gg, const char* name,
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const char* purpose);
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void AddLibrary(std::string const& fullPath, const char* soname = 0);
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void AddDirectories(std::vector<std::string> const& extra);
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std::vector<std::string> const& GetRuntimePath();
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private:
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cmGlobalGenerator* GlobalGenerator;
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std::string Name;
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std::string Purpose;
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bool Computed;
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std::vector<std::string> RuntimeSearchPath;
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// Runtime path computation.
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struct LibraryRuntimeEntry
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{
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// The file name of the library.
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std::string FileName;
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// The soname of the shared library if it is known.
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std::string SOName;
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// The directory in which the library is supposed to be found.
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std::string Directory;
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// The index assigned to the directory.
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int DirectoryIndex;
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};
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bool RuntimeSearchPathComputed;
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std::vector<LibraryRuntimeEntry> LibraryRuntimeInfo;
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std::vector<std::string> UserDirectories;
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std::set<cmStdString> LibraryRuntimeInfoEmmitted;
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std::vector<std::string> RuntimeDirectories;
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std::map<cmStdString, int> RuntimeDirectoryIndex;
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std::vector<int> RuntimeDirectoryVisited;
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void CollectRuntimeDirectories();
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int AddRuntimeDirectory(std::string const& dir);
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void FindConflictingLibraries();
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void FindDirectoriesForLib(unsigned int lri);
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void OrderRuntimeSearchPath();
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void VisitRuntimeDirectory(unsigned int i);
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void DiagnoseCycle();
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bool CycleDiagnosed;
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int WalkId;
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// Adjacency-list representation of runtime path ordering graph.
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// This maps from directory to those that must come *before* it.
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// Each entry that must come before is a pair. The first element is
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// the index of the directory that must come first. The second
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// element is the index of the runtime library that added the
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// constraint.
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typedef std::pair<int, int> RuntimeConflictPair;
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struct RuntimeConflictList: public std::vector<RuntimeConflictPair> {};
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std::vector<RuntimeConflictList> RuntimeConflictGraph;
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};
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#endif
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