diff --git a/src/cppgtfs b/src/cppgtfs
new file mode 160000
index 0000000..7c39553
--- /dev/null
+++ b/src/cppgtfs
@@ -0,0 +1 @@
+Subproject commit 7c395530d3c5b2d5c147fdabaaeeb0d1babceb04
diff --git a/src/xml b/src/xml
new file mode 160000
index 0000000..b87c826
--- /dev/null
+++ b/src/xml
@@ -0,0 +1 @@
+Subproject commit b87c8262361f72fff05ca0b1320f8a1d9160b5cd