https://github.com/Kitware/CMake
Revision 878632c90e4811ed08e5d1c298de8ae61d79f620 authored by Brad King on 11 February 2016, 14:52:37 UTC, committed by Brad King on 11 February 2016, 14:53:34 UTC
The fix in commit v3.5.0-rc1~84^2 (Xcode: Escape all backslashes in
strings, 2015-12-27) is a change in behavior that can break existing
projects that worked around the inconsistency with other generators.
Add a release note to call attention to this change in behavior.
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Tip revision: 878632c90e4811ed08e5d1c298de8ae61d79f620 authored by Brad King on 11 February 2016, 14:52:37 UTC
Help: Add release note about Xcode escaping fix (#15969)
Tip revision: 878632c
cmOrderDirectories.h
/*============================================================================
  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 cmGeneratorTarget;

/** \class cmOrderDirectories
 * \brief Compute a safe runtime path order for a set of shared libraries.
 */
class cmOrderDirectories
{
public:
  cmOrderDirectories(cmGlobalGenerator* gg, cmGeneratorTarget const* 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<std::string> const& implicitDirs);
  void SetLinkExtensionInfo(std::vector<std::string> const& linkExtensions,
                            std::string const& removeExtRegex);

  std::vector<std::string> const& GetOrderedDirectories();
private:
  cmGlobalGenerator* GlobalGenerator;
  cmGeneratorTarget const* Target;
  std::string Purpose;

  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<std::string> ImplicitDirectories;
  std::set<std::string> EmmittedConstraintSOName;
  std::set<std::string> EmmittedConstraintLibrary;
  std::vector<std::string> OriginalDirectories;
  std::map<std::string, 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();
  int WalkId;
  bool CycleDiagnosed;
  bool Computed;

  // 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;

  // Compare directories after resolving symlinks.
  bool IsSameDirectory(std::string const& l, std::string const& r);

  std::string const& GetRealPath(std::string const& dir);
  std::map<std::string, std::string> RealPaths;

  friend class cmOrderDirectoriesConstraint;
  friend class cmOrderDirectoriesConstraintLibrary;
};

#endif
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