diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..421f9b4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,11 @@
+CFLAGS = -Os -DSUPPORT_UTF8 -sASYNCIFY -sEXPORTED_RUNTIME_METHODS=ccall,cwrap,stringToNewUTF8 \
+	-sEXPORTED_FUNCTIONS=_test_int,_do_a_conversion -sMODULARIZE -s 'EXPORT_NAME="createMyModule"' \
+	--pre-js=module-pre.js
+
+units.wasm: *.c *.h
+	emcc -o units.lib.js *.c $(CFLAGS) --preload-file definitions.units --preload-file elements.units --preload-file currency.units --preload-file cpi.units
+
+units-host:
+	gcc *.c -o units-host -g
+
+.PHONY: units.wasm units-host