1 files changed, 2 insertions, 1 deletions
diff --git a/src/graph.h b/src/graph.h
index bf714e3..5b6bdf2 100644
--- a/src/graph.h
+++ b/src/graph.h
@@ -74,7 +74,7 @@ struct Node {
 
 /// An invokable build command and associated metadata (description, etc.).
 struct Rule {
-  Rule(const string& name) : name_(name) { }
+  Rule(const string& name) : name_(name), generator_(false) { }
 
   bool ParseCommand(const string& command, string* err) {
     return command_.Parse(command, err);
@@ -83,6 +83,7 @@ struct Rule {
   EvalString command_;
   EvalString description_;
   EvalString depfile_;
+  bool generator_;
 };
 
 struct State;