Bug #11157
Updated by Loïc Dachary about 9 years ago
https://github.com/ceph/ceph/blob/hammer/autogen.sh#L32 must be backport. Otherwise it's painful to switch from master to firefly because of the submodule changes.
* giant https://github.com/ceph/ceph/pull/4078
* firefly https://github.com/ceph/ceph/pull/4079