diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a7c04cf
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "lib/system"]
+	path = lib/system
+	url = ../system.git
diff --git a/lib/system b/lib/system
new file mode 160000
index 0000000..f5c99ea
--- /dev/null
+++ b/lib/system
@@ -0,0 +1 @@
+Subproject commit f5c99ea06408afb809b5b57465533f1ea6cfb0c8