$ pwd
/usr/ports/devel/gnu-autoconf
$ diff pkg-descr ../autoconf261/pkg-descr
9,13d8
< This port is specifically designed for developers that want to create
< cross-platform software distributions on FreeBSD. This version of autoconf
< should _NEVER_ be used with the FreeBSD ports system as a replacement for the
< versioned copies of autoconf.
<
$