Silo contains a set of compilations options that it picks from based on the hostname (seems to cater to same DOE machines). Unfortunately one of the hostnames is “localhost”.

Pull request https://github.com/EinsteinToolkit/ExternalLibraries-Silo/pull/2 removes this.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2873/disable-hard-coded-compiler-options-in