Faster builds

And same on windows. There is even an automatic mode (cl adapts itself
automatically based on the number of available cores)

Is this

http://jlebar.com/2011/9/1/Building_faster_by_parallelizing_more.html

relevant to us?

What about trying it out?

(but well, no our build system works differently, on a 64 way machine I
can easily compile 64 files in parallel using make -j64 with out
system)

johannes