diff --git a/src/cc/makecustom b/src/cc/makecustom
new file mode 100755
index 000000000..61b251e6e
--- /dev/null
+++ b/src/cc/makecustom
@@ -0,0 +1,7 @@
+#!/bin/sh
+gcc -O3 -DBUILD_CUSTOMCC -std=c++11 -I../secp256k1/include -I../univalue/include -I../cryptoconditions/include -I../cryptoconditions/src -I../cryptoconditions/src/asn -I.. -I. -fPIC -shared -c -o customcc.so cclib.cpp
+cp customcc.so ../libcc.so
+cd ..
+make
+cd cc
+