I don't have an answer for your build error, but the Minimum supported version of SLES 11 on Gen9 is SP3
using the kISO image
DL360 Gen9
- SLES12
- SLES11 SP31
1This system requires a SLES 11 SP3 kISO to provide new processor, chipset and driver support. Please click here to download the kISO.