case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
_lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;
case ${MACOSX_DEPLOYMENT_TARGET-10.0},$host in
10.0,*86*-darwin8*|10.0,*-darwin[[91]]*)
_lt_dar_allow_undefined='${wl}-undefined ${wl}dynamic_lookup' ;;