Todd Gamblin 69d45b49e9 Fix hash handling in directory layout ...

- Currently, build dependencies are not currently hashed; we are waiting
  to hash these until we have smarter concretization that can reuse more
  installed specs.  The layout needs to account for this when checking
  whethert things are installed.

2016-09-02 01:26:01 -07:00

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spack

Fix hash handling in directory layout

2016-09-02 01:26:01 -07:00