Replace \+ with \{1,\)
Replace \+ with \{1,\)

This command /usr/bin/sed -n "s/^dlname='\([A-Za-z0-9.+-]\+\)'/\1/p" libzeitgeist-2.0.la
does not work on FreeBSD because \+ is not in basic regular expression.

freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist