sslmix() {

	local file dep_file base_libs port_libs rc

	rc=0

	# Check all dynamicaly linked ELF files

	# Some .so are not executable, but we want to check them too.

	while read file; do

		# No results presents a blank line from heredoc.

		[ -z "${file}" ] && continue

		base_libs=""

		port_libs=""

		while read dep_file; do

			# No results presents a blank line from heredoc.

			[ -z "${dep_file}" ] && continue

			if echo ${dep_file} | grep -qE "^(/usr/lib/libssl|/lib/libcrypto)\.so" > /dev/null; then

				base_libs="${base_libs} ${dep_file}"

			fi

			if echo ${dep_file} | grep -qE "^(${PREFIX}|${LOCALBASE})/lib/lib(ssl|crypto)\.so" > /dev/null; then

				port_libs="${port_libs} ${dep_file}"

			fi

		done <<-EOT

		$(LD_LIBRARY_PATH=${STAGEDIR}${PREFIX}/lib ldd "${STAGEDIR}${file}" | \

			grep '=>' | \

			awk '{print $3}')

		EOT

		if [ -n "${base_libs}" -a -n "${port_libs}" ]; then

			err "${file} is linked to both base and port SSL libraries: `echo ${base_libs}` and `echo ${port_libs}`"

			rc=1

		fi

	done <<-EOT

	$(list_stagedir_elfs | \

		file -F $'\1' -f - | \

		grep -a 'ELF.*FreeBSD.*dynamically linked' | \

		cut -f 1 -d $'\1'| \

		sed -e 's/^\.//')

	EOT

	return ${rc}

}