Thanks. That is what I was wondering. In the interim, and having a better understanding of what is going on, I was able to re-work my mkfile to support parallel builds where possible. I am, however, experiencing a new problem. I will write that up in a separate post. Thank for the info! Blake On Wed, Dec 18, 2013 at 3:04 PM, Jacob Todd wrote: > You could put NPROC=1 in the mkfile. >