1 files changed, 1 insertions, 1 deletions
diff --git a/rule.h b/rule.h
index 3982639..3c9b21f 100644
--- a/rule.h
+++ b/rule.h
@@ -33,7 +33,7 @@ struct rule
 /* For calling install_pattern_rule.  */
 struct pspec
   {
-    char *target, *dep, *commands;
+    const char *target, *dep, *commands;
   };