BUG: Fix to avoid repeated calls to CollapseFullPath during dependency scanning. This addresses bug#3191.

1 files changed, 8 insertions, 1 deletions

diff --git a/Source/cmDepends.h b/Source/cmDepends.h
index a0b1b6b..80a9c79 100644
--- a/Source/cmDepends.h
+++ b/Source/cmDepends.h
@@ -37,6 +37,11 @@ public:
   
   /** at what level will the compile be done from */
   void SetCompileDirectory(const char *dir) {this->CompileDirectory = dir;};
+  
+  /** Set the full path to the top of the build tree.  This is
+      the base path from which dependencies are referenced as
+      relative paths.  */
+  void SetHomeOutputDirectory(const char *dir) {this->HomeOutputDirectory = dir;};
     
   /** should this be verbose in its output */
   void SetVerbose(bool verb) { this->Verbose = verb; }
@@ -71,9 +76,11 @@ protected:
   virtual bool CheckDependencies(std::istream& internalDepends);
 
   // The directory in which the build rule for the target file is executed.
-  std::string Directory;
   std::string CompileDirectory;
 
+  // The full path to the top of the build tree.
+  std::string HomeOutputDirectory;
+
   // Flag for verbose output.
   bool Verbose;
   cmFileTimeComparison* FileComparison;