use of cpus in building

[Christopher Jones]

> On 25 May 2016, at 10:06 pm, Comer Duncan <comer.duncan at gmail.com> wrote:
> 
> Hi Brandon,
> 
> So, where to I set 'make -j 4' so I get ports to try with 4 cores?


you don’t. Its automatic for the ports that allow it.

> 
> Comer
> 
> On Wed, May 25, 2016 at 5:03 PM, Brandon Allbery <allbery.b at gmail.com <mailto:allbery.b at gmail.com>> wrote:
> On Wed, May 25, 2016 at 5:00 PM, Comer Duncan <comer.duncan at gmail.com <mailto:comer.duncan at gmail.com>> wrote:
> I am wondering whether the macports build system automatically uses as many cpus as are installed?  I have a macbook pro with 4 cores and would hope I can help speed up builds by making all four cores be used.  Am I dreaming?
> 
> MacPorts does builds with "make -j" (defaulting to one job per core) except where ports specifically override it because they are known to not build correctly in parallel.
> 
> -- 
> brandon s allbery kf8nh                               sine nomine associates
> allbery.b at gmail.com <mailto:allbery.b at gmail.com>                                  ballbery at sinenomine.net <mailto:ballbery at sinenomine.net>
> unix, openafs, kerberos, infrastructure, xmonad        http://sinenomine.net <http://sinenomine.net/>
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