ENH: Remove unused code from cmMakeDepend

This class is the old-style dependency scanner.  It is needed only to
implement the output_required_files command.  This change removes some
code not needed for that purpose, including a reference to the
HEADER_FILE_ONLY property.

Source/cmMakeDepend.cxx

@@ -264,30 +264,6 @@ cmDependInformation* cmMakeDepend::GetDependInformation(const char* file,
 }
 
 
-void cmMakeDepend::GenerateMakefileDependencies()
-{
-  // Now create cmDependInformation objects for files in the directory
-  cmTargets &tgts = this->Makefile->GetTargets();
-  for(cmTargets::iterator l = tgts.begin(); 
-      l != tgts.end(); l++)
-    {
-    const std::vector<cmSourceFile*> &classes = l->second.GetSourceFiles();
-    for(std::vector<cmSourceFile*>::const_iterator i = classes.begin();
-        i != classes.end(); ++i)
-      {
-      if(!(*i)->GetPropertyAsBool("HEADER_FILE_ONLY"))
-        {
-        cmDependInformation* info =
-          this->GetDependInformation((*i)->GetFullPath().c_str(),0);
-        this->AddFileToSearchPath(info->FullPath.c_str());
-        info->SourceFile = *i;
-        this->GenerateDependInformation(info);
-        }
-      }
-    }
-}
-
-
 // find the full path to fname by searching the this->IncludeDirectories array
 std::string cmMakeDepend::FullPath(const char* fname, const char *extraPath)
 {
@@ -362,37 +338,3 @@ void cmMakeDepend::AddSearchPath(const char* path)
 {
   this->IncludeDirectories.push_back(path);
 }
-
-// Add a directory to the search path
-void cmMakeDepend::AddFileToSearchPath(const char* file)
-{
-  std::string filepath = file;
-  std::string::size_type pos = filepath.rfind('/');
-  if(pos != std::string::npos)
-    {
-    std::string path = filepath.substr(0, pos);
-    if(std::find(this->IncludeDirectories.begin(),
-                 this->IncludeDirectories.end(), path)
-       == this->IncludeDirectories.end())
-      {
-      this->IncludeDirectories.push_back(path);
-      return;
-      }
-    }
-}
-
-const cmDependInformation*
-cmMakeDepend::GetDependInformationForSourceFile(const cmSourceFile &sf) const
-{
-  for(DependInformationMapType::const_iterator i = 
-        this->DependInformationMap.begin();
-      i != this->DependInformationMap.end(); ++i)
-    {
-    const cmDependInformation* info = i->second;
-    if(info->SourceFile == &sf)
-      {
-      return info;
-      }
-    }
-  return 0;
-}

Source/cmMakeDepend.h

@@ -96,35 +96,18 @@ public:
    */
   virtual void SetMakefile(cmMakefile* makefile); 
 
-  /** 
-   * Get the depend info struct for a source file
-   */
-  const cmDependInformation 
-  *GetDependInformationForSourceFile(const cmSourceFile &sf) const;
-
   /**
    * Add a directory to the search path for include files.
    */
   virtual void AddSearchPath(const char*);
 
-  /**
-   * Generate dependencies for all the sources of all the targets
-   * in the makefile.
-   */
-  void GenerateMakefileDependencies();
-
   /**
    * Generate dependencies for the file given.  Returns a pointer to
    * the cmDependInformation object for the file.
    */
   const cmDependInformation* FindDependencies(const char* file);
 
-protected: 
-  /**
-   * Add a source file to the search path.
-   */
-  void AddFileToSearchPath(const char* filepath);
-
+protected:
   /**
    * Compute the depend information for this class.
    */