[ "$EXTERNAL_FREETZ_PACKAGE_RRDTOOL" == "y" ] && EXTERNAL_FILES+=" /usr/bin/rrdtool" [ "$EXTERNAL_FREETZ_PACKAGE_RRDTOOL" == "y" -a "$EXTERNAL_SUBDIRS" == "y" ] && EXTERNAL_FILES+=" /usr/share/rrdtool" [ "$EXTERNAL_FREETZ_LIB_librrd" == "y" ] && EXTERNAL_FILES+=" $FREETZ_LIBRARY_DIR/librrd.so.2.0.15" [ "$EXTERNAL_FREETZ_LIB_librrd_th" == "y" ] && EXTERNAL_FILES+=" $FREETZ_LIBRARY_DIR/librrd_th.so.2.0.13"