commit 83d46be31e56be9708495a832345bcec7499f904
author Douglas Gregor <dgregor@apple.com> Thu Feb 02 00:54:52 2012 +0000
committer Douglas Gregor <dgregor@apple.com> Thu Feb 02 00:54:52 2012 +0000
tree a4a9aeae1cedeab5b9c6cea7ea87795c9770ae80
parent a367022ce707107313d9144a25615f259d645473

Introduce a -cc1 option "-dependency-graphviz" that determines header
dependencies and outputs them in GraphViz format.

llvm-svn: 149575

clang/lib/Frontend/CompilerInstance.cpp

diff --git a/clang/lib/Frontend/CompilerInstance.cpp b/clang/lib/Frontend/CompilerInstance.cpp
index 1501da4..97dc708 100644
--- a/clang/lib/Frontend/CompilerInstance.cpp
+++ b/clang/lib/Frontend/CompilerInstance.cpp
@@ -275,7 +275,11 @@
   const DependencyOutputOptions &DepOpts = getDependencyOutputOpts();
   if (!DepOpts.OutputFile.empty())
     AttachDependencyFileGen(*PP, DepOpts);
+  if (!DepOpts.GraphvizOutputFile.empty())
+    AttachDependencyGraphGen(*PP, DepOpts.GraphvizOutputFile,
+                             getHeaderSearchOpts().Sysroot);
 
+  
   // Handle generating header include information, if requested.
   if (DepOpts.ShowHeaderIncludes)
     AttachHeaderIncludeGen(*PP);