Todd Gamblin 81b147cc0a package: add spack.package.possible_dependencies method ... - this version allows getting possible dependencies of multiple packages or specs at once. - New method handles calling `PackageBase.possible_dependencies` multiple times and passing `visited` dict around.		2019-12-18 21:10:31 -08:00
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spack	package: add spack.package.possible_dependencies method	2019-12-18 21:10:31 -08:00