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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
93 lines
3.2 KiB
C++
93 lines
3.2 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmOrderDirectories_h
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#define cmOrderDirectories_h
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#include <cmConfigure.h>
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#include <cmsys/RegularExpression.hxx>
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#include <map>
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#include <set>
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#include <string>
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#include <utility>
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#include <vector>
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class cmGeneratorTarget;
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class cmGlobalGenerator;
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class cmOrderDirectoriesConstraint;
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/** \class cmOrderDirectories
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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 cmOrderDirectories
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{
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public:
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cmOrderDirectories(cmGlobalGenerator* gg, cmGeneratorTarget const* target,
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const char* purpose);
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~cmOrderDirectories();
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void AddRuntimeLibrary(std::string const& fullPath,
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const char* soname = CM_NULLPTR);
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void AddLinkLibrary(std::string const& fullPath);
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void AddUserDirectories(std::vector<std::string> const& extra);
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void AddLanguageDirectories(std::vector<std::string> const& dirs);
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void SetImplicitDirectories(std::set<std::string> const& implicitDirs);
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void SetLinkExtensionInfo(std::vector<std::string> const& linkExtensions,
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std::string const& removeExtRegex);
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std::vector<std::string> const& GetOrderedDirectories();
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private:
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cmGlobalGenerator* GlobalGenerator;
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cmGeneratorTarget const* Target;
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std::string Purpose;
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std::vector<std::string> OrderedDirectories;
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std::vector<cmOrderDirectoriesConstraint*> ConstraintEntries;
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std::vector<cmOrderDirectoriesConstraint*> ImplicitDirEntries;
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std::vector<std::string> UserDirectories;
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std::vector<std::string> LanguageDirectories;
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cmsys::RegularExpression RemoveLibraryExtension;
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std::vector<std::string> LinkExtensions;
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std::set<std::string> ImplicitDirectories;
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std::set<std::string> EmmittedConstraintSOName;
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std::set<std::string> EmmittedConstraintLibrary;
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std::vector<std::string> OriginalDirectories;
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std::map<std::string, int> DirectoryIndex;
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std::vector<int> DirectoryVisited;
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void CollectOriginalDirectories();
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int AddOriginalDirectory(std::string const& dir);
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void AddOriginalDirectories(std::vector<std::string> const& dirs);
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void FindConflicts();
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void FindImplicitConflicts();
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void OrderDirectories();
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void VisitDirectory(unsigned int i);
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void DiagnoseCycle();
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int WalkId;
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bool CycleDiagnosed;
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bool Computed;
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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> ConflictPair;
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struct ConflictList : public std::vector<ConflictPair>
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{
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};
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std::vector<ConflictList> ConflictGraph;
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// Compare directories after resolving symlinks.
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bool IsSameDirectory(std::string const& l, std::string const& r);
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std::string const& GetRealPath(std::string const& dir);
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std::map<std::string, std::string> RealPaths;
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friend class cmOrderDirectoriesConstraint;
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friend class cmOrderDirectoriesConstraintLibrary;
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};
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#endif
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