Karl Palsson 90cdddd96b Allow make to build libs/examples in parallel. ...

You cannot issue make inside a for loop if you want to let it run in
parallel.  Performance increases seen:

10:03 < zyp> I tested make all -j8 without your change, it takes 8.7s
10:03 < zyp> so on my cpu, your change gives >2x speedup

My own cpu gives more modest speed increases, of only about 20%.

2012-10-30 10:03:12 +00:00

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