Todd Gamblin 562482d9cc env: only add concrete attribute to abstract specs ... - to aovid changing spec hashes drastically, only add this attribute to differentiated abstract specs. - othherwise assume that read-in specs are concrete		2018-11-09 00:31:24 -08:00
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spack	env: only add concrete attribute to abstract specs	2018-11-09 00:31:24 -08:00