Milton Woods 0932b16d4e cairo: ensure that X support is disabled for variant "~X" (#4242) ...

* cairo: ensure that X support is disabled for variant "~X"

* cairo: explicitly enable X support for +X variant

* cairo: prefer "variant in spec" over spec.satisfies(variant)

2017-05-23 16:43:22 -05:00

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spack

cairo: ensure that X support is disabled for variant "~X" (#4242)

2017-05-23 16:43:22 -05:00