[ostree] Automatically populate the git submodules in autogen.sh

[Stefan Walter <stefw src gnome org>]

commit 31d129fab4880a3ecae621d20f175e1ed7e039d3
Author: Stef Walter <stefw gnome org>
Date:   Mon Jul 30 13:04:00 2012 +0200

    Automatically populate the git submodules in autogen.sh

 autogen.sh |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/autogen.sh b/autogen.sh
index 6035bc0..4e9fcae 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -16,5 +16,14 @@ mkdir -p m4
 
 autoreconf --force --install --verbose
 
+# Fetch submodules if needed
+if test ! -f src/libgsystem/README;
+then
+  echo "+ Setting up submodules"
+  git submodule init
+fi
+git submodule update
+
+
 cd $olddir
 test -n "$NOCONFIGURE" || "$srcdir/configure" "$@"