[ "$EXTERNAL_FREETZ_LIB_libmbedcrypto" == "y" ] && EXTERNAL_FILES+=" ${FREETZ_LIBRARY_DIR}/libmbedcrypto.so.2.7.6"
[ "$EXTERNAL_FREETZ_LIB_libmbedtls"    == "y" ] && EXTERNAL_FILES+=" ${FREETZ_LIBRARY_DIR}/libmbedtls.so.2.7.6"
[ "$EXTERNAL_FREETZ_LIB_libmbedx509"   == "y" ] && EXTERNAL_FILES+=" ${FREETZ_LIBRARY_DIR}/libmbedx509.so.2.7.6"