diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..5c4c44d
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,6 @@
+all:
+	ocamlbuild -classic-display -use-ocamlfind cycles_iter.native cycles_functional.native
+
+clean:
+	ocamlbuild -clean
+	rm -f *.dot
diff --git a/_tags b/_tags
new file mode 100644
index 0000000..899e5e3
--- /dev/null
+++ b/_tags
@@ -0,0 +1,3 @@
+<*.ml{i,}>: debug, pp(camlp4o Camlp4MacroParser.cmo)
+<cycles_functional.*>: package(ocamlgraph), package(extlib)
+<cycles_iter.*>: package(ocamlgraph), package(extlib)