diff --git a/util/ack/.distr b/util/ack/.distr
new file mode 100644
index 000000000..83d135be9
--- /dev/null
+++ b/util/ack/.distr
@@ -0,0 +1,23 @@
+Makefile
+ack.h
+data.c
+data.h
+dmach.c
+dmach.h
+files.c
+grows.c
+grows.h
+intable.c
+list.c
+list.h
+main.c
+malloc.c
+mktables.c
+pc
+rmach.c
+run.c
+scan.c
+svars.c
+trans.c
+trans.h
+util.c
diff --git a/util/ack/pc/.distr b/util/ack/pc/.distr
new file mode 100644
index 000000000..df8c6bb91
--- /dev/null
+++ b/util/ack/pc/.distr
@@ -0,0 +1,2 @@
+Makefile
+em_pc.c