#!/bin/sh
set -e

for libdir in /lib /usr/lib /lib/*-gnu* /usr/lib/*-gnu*
do
	test -d "$libdir" || continue
	for f in "$libdir"/*
	do
		test ! -d "$f" || continue
		test -L "$f" || continue
		rl=$(readlink "$f")
		test -n "${rl##/etc/alternatives/*}" || continue
		if ! dpkg-query -S "$f" >/dev/null 2>&1
		then
			case "$f" in
				/lib/ld-lsb.so.?)
					# created by lsb-core
					continue
					;;
				/usr/lib/libglide.so.2|\
				/usr/lib/libglide3.so.3)
					# created by maintainer script
					continue
					;;
				/usr/lib/libfmpich.so.12|\
				/usr/lib/libmpich.so.12|\
				/usr/lib/libmpichcxx.so.12|\
				/usr/lib/libmpichf90.so.12|\
				/usr/lib/libmpichfort.so.12)
					if [ -f /etc/alternatives/libmpi.so ]
					then
						# managed by mpi-default-dev via alternatives
						# to /usr/lib/<triplet>/lib${impl}.so
						# ldconfig adds the "real" soname links
						continue
					fi
					;;
			esac
			echo "UNOWNED SYMLINK $f -> $rl"
		fi
	done
done
