diff --git a/util/ego/descr/makedescrs b/util/ego/descr/makedescrs
new file mode 100755
index 00000000..85d8fcf9
--- /dev/null
+++ b/util/ego/descr/makedescrs
@@ -0,0 +1,5 @@
+for i in *.descr
+do
+m=`basename $i .descr`
+../../../lib/cpp -P -I../../../h $i | sed -f descr.sed > ../../../lib/ego/${m}descr
+done