diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..3a6a73f6b1e95aaa1bd2a5202c06afdc343f83f4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,19 @@
+include $(FSLDIR)/etc/default.mk
+
+PROJNAME = siena
+
+LIBS = -lss_32R -lm
+
+XFILES = siena_diff
+
+SCRIPTS = siena siena_flirt siena_cal sienax siena_flow2tal
+
+OPTFLAGS=
+
+all:	siena_diff docscripts
+
+siena_diff: siena_diff.c
+	$(CC) $(CFLAGS) -DFDT="float" -o siena_diff siena_diff.c $(LDFLAGS) $(LIBS)
+
+docscripts:
+	./makedoc