Make buildworld failure

Jud judmarc at
Tue Aug 19 20:44:05 PDT 2003

On Tue, 19 Aug 2003 15:49:38 -0500, Charles Howse <chowse at> 

>> > cd /usr/src
>> > make buildworld (drat, I should have done make -j4 buildworld!)
>> Actually, no, don't do the -j4 - I think that's why it worked.
>> I was fiddling with the -j flag once and ran into a bunch of
>> problems, when it was pointed out that this isn't a "supported"
>> way of doing a make buildworld. I stopped using it and all was
>> well.
> Very interesting.
> On page 490 of "FreeBSD Unleashed" it references the -j4 parameter as a
> way to speed up the make buildworld process by spawning multiple
> simultaneous processes.
> The same thing is referenced in Chapter 20 of the FreeBSD Handbook.
> Is this now depreciated?

Whether deprecated or not, many posts to this mailing list have said -j4 
doesn't speed up "make buildworld" anyway, and that's been my experience.  
I'm sure it depends on your setup.


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