-flac-archive requires Perl >= 5.6, zsh >= 4.0, cdparanoia, and cdrdao.
+flac-archive requires Perl >= 5.6, zsh >= 4.0, cdparanoia, cdrdao, and
+mktemp -d (non-standard, but available on NetBSD, Mac OS X, GNU/Linux,
+and probably just about everywhere else).