Build failed on Raspberri Pi

[Tom Vijlbrief]

> >
> > Hi Tom,
> > I have 500Mb it's isn't sufficent ?
> >
>
> Hi Loïc
>
> 500MB should be sufficient. You could run top in another window to see if
you are exhausting the swap space but I suspect a kernel problem.
>
> If you have a 512 MB RPI you could try building without swap.
>
> On my rpi cron, sshd, sendmail and newsyslog crashed during build world.
I suspect that these idle processes were swapped out completely (building
clang takes over 200MB) and that they were killed when the kernel attempted
to swap them in.