spack/lib
Massimiliano Culpo e7494b627b ASP-based solver: model disjoint sets for multivalued variants (#22534)
* ASP-based solver: avoid adding values to variants when they're set

fixes #22533
fixes #21911

Added a rule that prevents any value to slip in a variant when the
variant is set explicitly. This is relevant for multi-valued variants,
in particular for those that have disjoint sets of values.

* Ensure disjoint sets have a clear semantics for external packages
2021-05-22 11:51:20 -07:00
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spack ASP-based solver: model disjoint sets for multivalued variants (#22534) 2021-05-22 11:51:20 -07:00