[Discuss-gnuradio] pybombs building 3.6.5.1 - swapping and out of virtual memory

[M Dammer]

Not sure if this is a Pybombs or Gnuradio build issue: When building
version 3.6.5.1 via pybombs the system starts swapping after about 70%
of the build have completed and even sometimes bails out with "out of
virtual memory". I can complete the build by restarting pybombs install
- sometimes several times.
I am building on XUbuntu 12.04 64bit - both machines have 4Gb RAM.
I notice that "top" shows several cc1plus processes running in parallel
each consuming over 1Gb of memory.