diff --git a/src/clockgen/Makefile b/src/clockgen/Makefile
new file mode 100644
index 0000000..91df2d4
--- /dev/null
+++ b/src/clockgen/Makefile
@@ -0,0 +1,11 @@
+# Copyright (C) 2011, 2012, 2013 The uOFW team
+# See the file COPYING for copying permission.
+
+TARGET = clockgen
+OBJS = clockgen.o
+
+#DEBUG = 1
+
+LIBS = -lThreadManForUser -lsceSysEventForKernel -lsceI2c_driver
+
+include ../../lib/build.mak