Todd Gamblin 36ec66d997 concretizer: use clingo json output instead of text ... Clingo actually has an option to output JSON -- use that instead of parsing the raw otuput ourselves. This also allows us to pick the best answer -- modify the parser to *only* construct a spec for that one rather than building all of them like we did before.		2020-11-17 10:04:13 -08:00
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spack	concretizer: use clingo json output instead of text	2020-11-17 10:04:13 -08:00