Introduce a -cc1 option "-dependency-graphviz" that determines header

dependencies and outputs them in GraphViz format.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149575 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 1 deletions

diff --git a/include/clang/Frontend/DependencyOutputOptions.h b/include/clang/Frontend/DependencyOutputOptions.h
index 1e22c227fc..63e2abf887 100644
--- a/include/clang/Frontend/DependencyOutputOptions.h
+++ b/include/clang/Frontend/DependencyOutputOptions.h
@@ -25,7 +25,7 @@ public:
                                      /// dependency, which can avoid some 'make'
                                      /// problems.
   unsigned AddMissingHeaderDeps : 1; ///< Add missing headers to dependency list
-
+  
   /// The file to write dependency output to.
   std::string OutputFile;
 
@@ -39,6 +39,9 @@ public:
   /// must contain at least one entry.
   std::vector<std::string> Targets;
 
+  /// \brief The file to write GraphViz-formatted header dependencies to.
+  std::string GraphvizOutputFile;
+  
 public:
   DependencyOutputOptions() {
     IncludeSystemHeaders = 0;