Running searchprebuilt results in issue connecting error. This works in dCore-jessie, not sure it works for all dCore flavours. Thanks.
Line 12 of searchprebuilt:
Broken:
PREBUILTMIRROR="${IMPORTMIRROR%/}/$(getMajorVer).x/"$BUILD"/import"
Works:
PREBUILTMIRROR="${IMPORTMIRROR%/}/dCore/"$BUILD"/import"