diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..48bdde9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "build"]
+	path = build
+	url = ./
diff --git a/build b/build
new file mode 160000
index 0000000..41c7628
--- /dev/null
+++ b/build
@@ -0,0 +1 @@
+Subproject commit 41c76286f7ba77786301f9120e8dd88af377de37