diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..e6a4e31
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/portaudio"]
+	path = external/portaudio
+	url = https://git.assembla.com/portaudio.git
diff --git a/external/portaudio b/external/portaudio
new file mode 160000
index 0000000..c5d2c51
--- /dev/null
+++ b/external/portaudio
@@ -0,0 +1 @@
+Subproject commit c5d2c51bd6fe354d0ee1119ba932bfebd3ebfacc