Git hash 22ffa3c "BLAS: use bash_utils.sh to search for library" of ExternalLibraries-BLAS and git hash 4e216f4 "LAPACK: use bash_utils.sh to search for library" of ExternalLibraries-LAPACK changed BLAS and LAPACK to use bash_utils’s find_lib to look for library files.

However in this process multiple bugs were introduced (by me). One was reported by @Samuel Tootle in #2464, @Steven R. Brandt just found another one due to using an incorrect variable name in the find_lib call, which went unnoticed on systems where LAPACK / BLAS are found in “standard” locations via pkg-config, which is the majority of systems where it is used it seems.

Fixed in git hash 6e55384 "BLAS: fix typo making BLAS_DIR being ignored" of ExternalLibraries-BLAS and git hash

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2476/blas-and-lapac-externallibraries-ignore