When is it safe to use -jX with make?

[Kris Kennaway]

On Mon, Apr 07, 2003 at 01:55:58AM +0200, Are-Harald Brenne wrote:
> 
> The handbook recommends using -j4 with 'make buildworld'. 
> 
> Can the kernel be safely built with -jX?

Yes.

> Searching the archives I came across a discussion from december
> concluding ports should not be built with -jX. Does this apply to
> all ports? 

Most of them, probably.

> How can I find out, other than by trial-and-error, which
> ports can be built with -jX?

You can't.

Kris
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