diff --git a/common/Makefile.am b/common/Makefile.am
new file mode 100644
index 0000000..ecca044
--- /dev/null
+++ b/common/Makefile.am
@@ -0,0 +1,4 @@
+## Process this file with automake to produce Makefile.in
+noinst_LIBRARIES=libcommon.a
+
+libcommon_a_SOURCES=random.c strdup.c udp_io.c getsl.c