Implement -MG. Fixes PR9613

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134996 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 0 deletions

diff --git a/include/clang/Frontend/DependencyOutputOptions.h b/include/clang/Frontend/DependencyOutputOptions.h
index 35aa6c6aac..1e22c227fc 100644
--- a/include/clang/Frontend/DependencyOutputOptions.h
+++ b/include/clang/Frontend/DependencyOutputOptions.h
@@ -24,6 +24,7 @@ public:
   unsigned UsePhonyTargets : 1;      ///< Include phony targets for each
                                      /// 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;
@@ -43,6 +44,7 @@ public:
     IncludeSystemHeaders = 0;
     ShowHeaderIncludes = 0;
     UsePhonyTargets = 0;
+    AddMissingHeaderDeps = 0;
   }
 };