Re: Make options

[Adam CiarciÅski <adam%albedo.art.pl@localhost>]

> > > Is there a way to define default options for use by make in
> > > building/updating the pkgsrc system?
> > >
> > > I'm running on a dual processor quad core machine, and would like  
> > > make to
> > > always use the -j 9 to utilize all the cores.
> > >
> > > When I use pkg_chk to do updates, I don't see a way to insert that  
> > > option.
> >
> > Put the following in /etc/mk.conf:
> >
> >   MAKE_JOBS=9
> >
> > And then be prepared to manage local package Makefiles which fail  
> > to build
> > in parallel, e.g. games/xpat2.  They'll need the following to be  
> > added:
> >
> >   MAKE_JOBS_SAFE=NO
>
> It is not that simple, sometimes it fails to build but in other cases
> it builds but the result is broken. Thats for pkgsrc, basesrc is ok.
>
> Bernd

For builds like -j9, sometimes there might not be enough memory in the  
system (especially for c++ programs) and the build will crash.

I use multi-threaded builds on my system (with distcc on architectures  
different than the host) and have never encountered a broken executable.

Cheers,
Adam