From c03a4fb7df6b1ea0702efcd48cc343b723627e5d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9mie=20Dimino?= <jeremie@dimino.org>
Date: Fri, 3 Mar 2017 17:10:15 +0000
Subject: [PATCH] Fix

---
 src/build_system.ml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/build_system.ml b/src/build_system.ml
index 27c1c6d7..97336e8c 100644
--- a/src/build_system.ml
+++ b/src/build_system.ml
@@ -295,9 +295,10 @@ let compile_rule t ~all_targets_by_dir ?(allow_override=false) pre_rule =
           Hashtbl.replace t.trace ~key:fn ~data:hash;
           acc || prev_hash <> hash)
     in
-    if rule_changed || min_timestamp t targets < max_timestamp t all_deps then
+    if rule_changed || min_timestamp t targets < max_timestamp t all_deps then begin
+      List.iter targets ~f:(Hashtbl.remove t.timestamps);
       Action.exec action
-    else
+    end else
       return ()
   ) in
   let rule =