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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#ifndef cmOrderDirectories_h
#define cmOrderDirectories_h
#include "cmStandardIncludes.h"
#include <cmsys/RegularExpression.hxx>
class cmGlobalGenerator;
class cmOrderDirectoriesConstraint;
class cmOrderDirectoriesConstraintLibrary;
class cmTarget;
/** \class cmOrderDirectories
* \brief Compute a safe runtime path order for a set of shared libraries.
*/
class cmOrderDirectories
{
public:
cmOrderDirectories(cmGlobalGenerator* gg, cmTarget* target,
const char* purpose);
~cmOrderDirectories();
void AddRuntimeLibrary(std::string const& fullPath, const char* soname = 0);
void AddLinkLibrary(std::string const& fullPath);
void AddUserDirectories(std::vector<std::string> const& extra);
void AddLanguageDirectories(std::vector<std::string> const& dirs);
void SetImplicitDirectories(std::set<cmStdString> const& implicitDirs);
void SetLinkExtensionInfo(std::vector<std::string> const& linkExtensions,
std::string const& removeExtRegex);
std::vector<std::string> const& GetOrderedDirectories();
private:
cmGlobalGenerator* GlobalGenerator;
cmTarget* Target;
std::string Purpose;
bool Computed;
std::vector<std::string> OrderedDirectories;
std::vector<cmOrderDirectoriesConstraint*> ConstraintEntries;
std::vector<cmOrderDirectoriesConstraint*> ImplicitDirEntries;
std::vector<std::string> UserDirectories;
std::vector<std::string> LanguageDirectories;
cmsys::RegularExpression RemoveLibraryExtension;
std::vector<std::string> LinkExtensions;
std::set<cmStdString> ImplicitDirectories;
std::set<cmStdString> EmmittedConstraintSOName;
std::set<cmStdString> EmmittedConstraintLibrary;
std::vector<std::string> OriginalDirectories;
std::map<cmStdString, int> DirectoryIndex;
std::vector<int> DirectoryVisited;
void CollectOriginalDirectories();
int AddOriginalDirectory(std::string const& dir);
void AddOriginalDirectories(std::vector<std::string> const& dirs);
void FindConflicts();
void FindImplicitConflicts();
void OrderDirectories();
void VisitDirectory(unsigned int i);
void DiagnoseCycle();
bool CycleDiagnosed;
int WalkId;
// Adjacency-list representation of runtime path ordering graph.
// This maps from directory to those that must come *before* it.
// Each entry that must come before is a pair. The first element is
// the index of the directory that must come first. The second
// element is the index of the runtime library that added the
// constraint.
typedef std::pair<int, int> ConflictPair;
struct ConflictList: public std::vector<ConflictPair> {};
std::vector<ConflictList> ConflictGraph;
friend class cmOrderDirectoriesConstraint;
friend class cmOrderDirectoriesConstraintLibrary;
};
#endif
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