becker33 b9c8cdcbe3 Fix when_spec inheritance for extensions (#7746) ...

Popping the when spec from kwargs in the extends directive breaks
class inheritance. Inheriting classes do not find their when spec.

We now get the when spec from kwargs instead, leaving it to be found
by any downstream package classes.

2018-04-13 11:38:34 -07:00

..

spack

Fix when_spec inheritance for extensions (#7746)

2018-04-13 11:38:34 -07:00