bpfire/tools/find-dependencies

#!/bin/bash

main() {
	if [ $# -lt 2 ]; then
		echo "${0}: Usage: PATH LIBRARY ..."
		return 2
	fi

	local root="${1}"
	shift

	if [ ! -d "${root}" ]; then
		echo "${0}: ${root}: No such file or directory"
		return 1
	fi

	local libraries="$@"

	# Build the regex filter
	local filter="(${libraries[*]// /|})"

	local file
	for file in $(find "${root}" -xdev -type f -executable); do
		if readelf -d "${file}" 2>/dev/null | grep -qE "NEEDED.*\[${filter}\]$"; then
			echo "${file}"
		fi
	done

	return 0
}

main "$@" || exit $?