Created attachment 181764 [details] svn(1) diff of astro/geographiclib Hi, This port requires working GNU extensions to build; in this case, it uses \b for word boundaries. For the time being, use the more up to date version of GNU grep, textproc/gnugrep, rather than relying on GNU extensions in base grep. This was identified in a recent exp-run to test installing BSD grep as /usr/bin/grep and disable GNU grep compatibility in the process. This includes a patch to Makefile.am to use the configured 'egrep', 'grep', and 'sed' rather than those from PATH. 'grep' and 'sed' were not strictly necessary for my purpose, but I included them for the sake of consistency and doing it right for upstreaming.
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