Was getting this build error:
/home/bamboo/bamboo-agent-home/xml-data/build-dir/STESTS-ECIC-JOB1/production/sw/tps/libnl/libnl-2.0/lib/route/pktloc.c:39: fatal error: pktloc_syntax.h: No such file or directoryI

Related to parallel build.

Looks like part of this should fix it:
http://patchwork.openembedded.org/patch/12583/