#!/bin/bash
prov=${1:-libtool.prov}
req=${2:-libtool.req}
dbpath=
help() {
	echo Usage: `basename $0` /path/to/libtool.prov /path/to/libtool.req \[dbpath\]
	exit 1
}
/usr/bin/which $prov >/dev/null 2> /dev/null || help
/usr/bin/which $req >/dev/null 2> /dev/null || help
temp=`mktemp -d ${TMPDIR:-/tmp}/check-libtool-closure.XXXXXX`
test -n "$temp" || exit 1
trap "rm -rf $temp" EXIT
find /lib* /usr/lib* -name "*.la" | $prov | sort -u > $temp/provides
find /lib* /usr/lib* -name "*.la" | while read lafile ; do
	reqpackage=`env LANG=en_US rpm -qf ${dbpath:+--define "_dbpath ${dbpath}"} "$lafile" 2> /dev/null | grep -v "is not owned by any package"`
	echo $lafile | $req | sort -u | while read ladep ; do
		if ! grep -q ^"${ladep}"\$ $temp/provides ; then
			provpackage=`env LANG=en_US rpm -qf ${dbpath:+--define "_dbpath ${dbpath}"} "$ladep" 2> /dev/null | grep -v "is not owned by any package"`
			echo "${reqpackage:+ ${reqpackage}:}$lafile -> ${provpackage:+${provpackage}:}$ladep"
		fi
	done
done