Find out unused compat libraries for FreeBSD.

unused_compat_libs

#!/bin/sh -e

ldd_list=$(mktemp -t lddlist)
if [ $? = 0 ]; then
    trap "rm -f '$ldd_list'" EXIT
fi

set +e
ldd /usr/local/bin/* /usr/local/lib/*.so* > "$ldd_list" 2> /dev/null
set -e

for i in /usr/local/lib/compat/pkg/*; do
    if ! grep "$i" "$ldd_list" > /dev/null; then
        echo "$i"
    fi
done