Comment (by Roland Haas):

This version uses awk which should be present on all POSIX systems. If this causes an issue then the branch rhaas/architecture_globs3 uses perl which we already require for other parts of the build process. Both versions are about equally complex.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2255/reduce-number-of-architecture-files