Removed the Uniquification of the include and link directory list in FinalPass,

and achieved the same effect by makein m_LinkDirectores and m_IncludeDirectories
a set rather than vector

Source/cmCableClassSet.cxx

@@ -644,11 +644,11 @@ void ElementCombinationGenerator::FindTagSource()
     }
 
   // Get the makefile's include path.
-  const std::vector<std::string>& includePath =
+  const std::set<std::string>& includePath =
     m_Makefile->GetIncludeDirectories();
 
   // Search the path for a file called "(m_Tag).h".
-  for(std::vector<std::string>::const_iterator dir = includePath.begin();
+  for(std::set<std::string>::const_iterator dir = includePath.begin();
       dir != includePath.end(); ++dir)
     {
     std::string filePath = *dir;

Source/cmCableWrapTclCommand.cxx

@@ -298,9 +298,9 @@ void cmCableWrapTclCommand::GenerateCableClassFiles(const char* name,
   commandArgs += m_Makefile->GetStartDirectory();
   commandArgs += "\"";
     
-  const std::vector<std::string>& includes = 
+  const std::set<std::string>& includes = 
     m_Makefile->GetIncludeDirectories();
-  for(std::vector<std::string>::const_iterator i = includes.begin();
+  for(std::set<std::string>::const_iterator i = includes.begin();
       i != includes.end(); ++i)
     {
       commandArgs += " -I";

Source/cmDSPWriter.cxx

@@ -68,8 +68,8 @@ void cmDSPWriter::OutputDSPFile()
     }
 
   // Setup /I and /LIBPATH options for the resulting DSP file
-  std::vector<std::string>& includes = m_Makefile->GetIncludeDirectories();
+  std::set<std::string>& includes = m_Makefile->GetIncludeDirectories();
-  std::vector<std::string>::iterator i;
+  std::set<std::string>::iterator i;
   for(i = includes.begin(); i != includes.end(); ++i)
     {
     m_IncludeOptions +=  "/I \"";
@@ -504,8 +504,8 @@ void cmDSPWriter::WriteDSPHeader(std::ostream& fout, const char *libName,
     libMultiLineOptions += exePath;
     libMultiLineOptions += "\" \n";
     }
-  std::vector<std::string>::iterator i;
+  std::set<std::string>::iterator i;
-  std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
+  std::set<std::string>& libdirs = m_Makefile->GetLinkDirectories();
   for(i = libdirs.begin(); i != libdirs.end(); ++i)
     {
     libOptions += " /LIBPATH:\"";

Source/cmMakeDepend.cxx

@@ -90,9 +90,9 @@ void cmMakeDepend::SetMakefile(const cmMakefile* makefile)
     m_Makefile->m_ComplainFileRegularExpression.c_str());
   
   // Now extract any include paths from the makefile flags
-  const std::vector<std::string>& includes =
+  const std::set<std::string>& includes =
     m_Makefile->GetIncludeDirectories();
-  for(std::vector<std::string>::const_iterator j = includes.begin();
+  for(std::set<std::string>::const_iterator j = includes.begin();
       j != includes.end(); ++j)
     {
     std::string path = *j;

Source/cmMakefile.cxx

@@ -170,6 +170,17 @@ void cmMakefile::PrintStringVector(const char* s, const std::vector<std::string>
   std::cout << " )\n";
 }
 
+void cmMakefile::PrintStringVector(const char* s, const std::set<std::string>& v) const
+{
+  std::cout << s << ": ( \n";
+  for(std::set<std::string>::const_iterator i = v.begin();
+      i != v.end(); ++i)
+    {
+    std::cout << (*i).c_str() << " ";
+    }
+  std::cout << " )\n";
+}
+
 
 // call print on all the classes in the makefile
 void cmMakefile::Print() const
@@ -409,8 +420,6 @@ void cmMakefile::FinalPass()
   // do all the variable expansions here
   this->ExpandVariables();
 
-  this->StripDuplicateDirectories();
-
   // give all the commands a chance to do something
   // after the file has been parsed before generation
   for(std::vector<cmCommand*>::iterator i = m_UsedCommands.begin();
@@ -536,7 +545,7 @@ void cmMakefile::AddLinkLibrary(const char* lib)
 
 void cmMakefile::AddLinkDirectory(const char* dir)
 {
-  m_LinkDirectories.push_back(dir);
+  m_LinkDirectories.insert(dir);
 }
 
 void cmMakefile::AddSubDirectory(const char* sub)
@@ -546,7 +555,7 @@ void cmMakefile::AddSubDirectory(const char* sub)
 
 void cmMakefile::AddIncludeDirectory(const char* inc)
 {
-  m_IncludeDirectories.push_back(inc);
+  m_IncludeDirectories.insert(inc);
 }
 
 void cmMakefile::AddDefinition(const char* name, const char* value)
@@ -730,19 +739,31 @@ std::string cmMakefile::GetParentListFileName(const char *currentFileName)
 void cmMakefile::ExpandVariables()
 {
   // Now expand varibles in the include and link strings
-  std::vector<std::string>::iterator j, begin, end;
+  std::set<std::string>::iterator j, begin, end;
   begin = m_IncludeDirectories.begin();
   end = m_IncludeDirectories.end();
+  std::set<std::string> new_set;
+  std::string x;
+  
   for(j = begin; j != end; ++j)
     {
-    this->ExpandVariablesInString(*j);
+    x= *j;
+    this->ExpandVariablesInString(x);
+    new_set.insert(x);
     }
+  m_IncludeDirectories = new_set;
+
+  new_set.clear();
   begin = m_LinkDirectories.begin();
   end = m_LinkDirectories.end();
   for(j = begin; j != end; ++j)
     {
-    this->ExpandVariablesInString(*j);
+    x = *j;
+    this->ExpandVariablesInString(x);
+    new_set.insert(x);
     }
+  m_LinkDirectories = new_set;
+
   cmTarget::LinkLibraries::iterator j2, end2;
   j2 = m_LinkLibraries.begin();
   end2 = m_LinkLibraries.end();
@@ -793,29 +814,6 @@ int cmMakefile::DumpDocumentationToFile(const char *fileName)
 }
 
 
-  // Remove duplicate directories from the library and include paths.
-void cmMakefile::StripDuplicateDirectories()
-{
-  std::vector<std::string>::iterator begin, end;
-  // remove duplicates from m_IncludeDirectories
-  begin = m_IncludeDirectories.begin();
-  end = m_IncludeDirectories.end();
-  std::list<std::string> tmp1(begin, end);
-  tmp1.sort();
-  m_IncludeDirectories.clear();
-  std::unique_copy(tmp1.begin(), tmp1.end(), std::back_inserter(m_IncludeDirectories));
-
-  // remove duplicates from m_LinkDirectories
-  begin = m_LinkDirectories.begin();
-  end = m_LinkDirectories.end();
-  std::list<std::string> tmp2(begin, end);
-  tmp2.sort();
-  m_LinkDirectories.clear();
-  std::unique_copy(tmp2.begin(), tmp2.end(), std::back_inserter(m_LinkDirectories));
-}
-
-
-
 void cmMakefile::ExpandVariablesInString(std::string& source) const
 {
   this->ExpandVariablesInString(source, false);

Source/cmMakefile.h

@@ -383,11 +383,11 @@ public:
   /**
    * Get a list of include directories in the build.
    */
-  std::vector<std::string>& GetIncludeDirectories()
+  std::set<std::string>& GetIncludeDirectories()
     { 
     return m_IncludeDirectories;
     }
-  const std::vector<std::string>& GetIncludeDirectories() const
+  const std::set<std::string>& GetIncludeDirectories() const
     { 
     return m_IncludeDirectories;
     }
@@ -395,7 +395,7 @@ public:
   /**
    * Get a list of link directories in the build.
    */
-  std::vector<std::string>& GetLinkDirectories()
+  std::set<std::string>& GetLinkDirectories()
     { 
     return m_LinkDirectories;
     }
@@ -481,11 +481,6 @@ public:
    */
   void ExpandVariables();  
 
-  /**
-   * Strip Duplicate directories from Library and Include paths
-   */
-  void cmMakefile::StripDuplicateDirectories();
-      
   /** Recursivly read and create a cmMakefile object for
    *  all CMakeLists.txt files in the GetSubDirectories list.
    *  Once the file is found, it ReadListFile is called on
@@ -528,8 +523,8 @@ protected:
   SourceMap m_Sources; 
 
   std::vector<std::string> m_SubDirectories; // list of sub directories
-  std::vector<std::string> m_IncludeDirectories;
+  std::set<std::string> m_IncludeDirectories;
-  std::vector<std::string> m_LinkDirectories;
+  std::set<std::string> m_LinkDirectories;
   std::vector<std::string> m_ListFiles; // list of command files loaded
   
   
@@ -560,6 +555,7 @@ private:
   friend class cmMakeDepend;	// make depend needs direct access 
 				// to the m_Sources array 
   void PrintStringVector(const char* s, const std::vector<std::string>& v) const;
+  void PrintStringVector(const char* s, const std::set<std::string>& v) const;
   void AddDefaultCommands();
   void AddDefaultDefinitions();
   std::set<cmFunctionBlocker *> m_FunctionBlockers;

Source/cmUnixMakefileGenerator.cxx

@@ -65,7 +65,7 @@ void cmUnixMakefileGenerator::GenerateMakefile()
       m_LibraryOutputPath += "/";
       }
     cmSystemTools::MakeDirectory(m_LibraryOutputPath.c_str());
-    m_Makefile->GetLinkDirectories().push_back(m_LibraryOutputPath);
+    m_Makefile->GetLinkDirectories().insert(m_LibraryOutputPath);
     }
   if (m_Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH"))
     {
@@ -76,7 +76,7 @@ void cmUnixMakefileGenerator::GenerateMakefile()
       m_ExecutableOutputPath += "/";
       }
     cmSystemTools::MakeDirectory(m_ExecutableOutputPath.c_str());
-    m_Makefile->GetLinkDirectories().push_back(m_ExecutableOutputPath);
+    m_Makefile->GetLinkDirectories().insert(m_ExecutableOutputPath);
     }
 
   if(m_CacheOnly)
@@ -362,8 +362,8 @@ void cmUnixMakefileGenerator::OutputLinkLibraries(std::ostream& fout,
 
   // collect all the flags needed for linking libraries
   std::string linkLibs;
-  std::vector<std::string>& libdirs = m_Makefile->GetLinkDirectories();
+  std::set<std::string>& libdirs = m_Makefile->GetLinkDirectories();
-  for(std::vector<std::string>::iterator libDir = libdirs.begin();
+  for(std::set<std::string>::iterator libDir = libdirs.begin();
       libDir != libdirs.end(); ++libDir)
     { 
     std::string libpath = cmSystemTools::EscapeSpaces(libDir->c_str());
@@ -653,8 +653,8 @@ void cmUnixMakefileGenerator::OutputMakeFlags(std::ostream& fout)
 {
   // Output Include paths
   fout << "INCLUDE_FLAGS = ";
-  std::vector<std::string>& includes = m_Makefile->GetIncludeDirectories();
+  std::set<std::string>& includes = m_Makefile->GetIncludeDirectories();
-  std::vector<std::string>::iterator i;
+  std::set<std::string>::iterator i;
   fout << "-I" << m_Makefile->GetStartDirectory() << " ";
   for(i = includes.begin(); i != includes.end(); ++i)
     {