Todd Gamblin 515b4045e9 specs: remove parse_anonymous_spec(); use Spec() instead ... - `parse_anonymous_spec()` is a vestige of the days when Spack didn't support nameless specs. We don't need it anymore because now we can write Spec() for a spec that will match anything, and satisfies() semantics work properly for anonymous specs. - Delete `parse_anonymous_spec()` and replace its uses with simple calls to the Spec() constructor. - make then handling of when='...' specs in directives more consistent. - clean up Spec.__contains__() - refactor directives and tests slightly to accommodate the change.		2019-07-01 18:45:44 -07:00
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spack	specs: remove parse_anonymous_spec(); use Spec() instead	2019-07-01 18:45:44 -07:00