diff --git a/c/build-tools/stamp-h.in b/c/build-tools/stamp-h.in
index e69de29bb2..9788f70238 100644
--- a/c/build-tools/stamp-h.in
+++ b/c/build-tools/stamp-h.in
@@ -0,0 +1 @@
+timestamp
diff --git a/tools/build/stamp-h.in b/tools/build/stamp-h.in
index e69de29bb2..9788f70238 100644
--- a/tools/build/stamp-h.in
+++ b/tools/build/stamp-h.in
@@ -0,0 +1 @@
+timestamp