percona-xtradb-cluster-5.7 for Ubuntu
-------------------------------------

PXC 5.7 relies on a fixed version of Boost (1.59.0); the upstream release
tarball does not include the required boost headers in order to build PXC
fully offline.

To repack the upstream release tarball with the required headers run:

  ./debian/rules refresh-boost

this will retrieve the release boost release file from:

  http://jenkins.percona.com/downloads/boost/boost_1_59_0.tar.gz

and place the required boost headers in boost/boost_1_59_0; a similar
repack is done for mysql-5.7 (but this is done by upstream mysql as
part of their release process).
