[C++] Introduce .KATI_DEPFILE again

Unlike other target specific variables, this variable must
not be propagated to other targets.

1 files changed, 2 insertions, 0 deletions

diff --git a/dep.h b/dep.h
index 7fe8439..bb70eb3 100644
--- a/dep.h
+++ b/dep.h
@@ -27,6 +27,7 @@
 class Evaluator;
 class Rule;
 class Value;
+class Var;
 class Vars;
 
 struct DepNode {
@@ -43,6 +44,7 @@ struct DepNode {
   bool is_restat;
   vector<Symbol> actual_inputs;
   Vars* rule_vars;
+  Var* depfile_var;
   Symbol output_pattern;
   Loc loc;
 };