Greg Becker ca0d9ae7f0 Make builtin flag handlers available in package scope (#8668) ...

* Push default flag handlers into module scope

* Preserve backwards compatibility of builtin flag handler names

Ensure Spack continues to work for packages using the `Package.env_flags` idiom and equivalent.

* update docs and tests to match

* Update packages to match new syntax

2018-10-09 15:18:31 -07:00

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spack

Make builtin flag handlers available in package scope (#8668)

2018-10-09 15:18:31 -07:00