diff --git a/do_cmake.sh b/do_cmake.sh
index 5f9e73ac938..9d3c3c1ed44 100755
--- a/do_cmake.sh
+++ b/do_cmake.sh
@@ -7,3 +7,10 @@ fi
 mkdir build
 cd build
 cmake $@ ..
+
+cat <<EOF > ceph.conf
+plugin dir = lib
+erasure code dir = lib
+EOF
+
+echo done.