This bug was fixed in the package mesa - 17.0.7-0ubuntu0.16.04.1
--------------- mesa (17.0.7-0ubuntu0.16.04.1) xenial; urgency=medium
* Backport to xenial. (LP: #1687981) - rules: Force -O2 to fix ppc64el FTBFS
-- Timo Aaltonen <email address hidden> Mon, 26 Jun 2017 15:29:20 +0300
This bug was fixed in the package mesa - 17.0.7- 0ubuntu0. 16.04.1
--------------- 0ubuntu0. 16.04.1) xenial; urgency=medium
mesa (17.0.7-
* Backport to xenial. (LP: #1687981)
- rules: Force -O2 to fix ppc64el FTBFS
-- Timo Aaltonen <email address hidden> Mon, 26 Jun 2017 15:29:20 +0300