make buildworld error while compiling 12.0-releng for RPI2

[Ralf Wenk]

On 2019-01-07 10:57 +0100 Victor wrote:
> I'm trying to compile release 12.0 (with 4 CPUs) on my raspberry pi 2 on which 11.2-RELEASE is installed.
> Via svnlite I downloaded the source code under /usr/src and then I started, as the handbook says
> 
> make -j4 buildworld

>From my experience the raspberry pi 2 is not equipped with enough RAM to
use four parallel jobs during buildworld.
A CURRENT from last week build successfully with -j2 buildworld and
-j3 buildkernel.
I did not try adding any swap space.

> But, unfortunately it spos with the following error:
> [...]
> 
> I don't understand this error. What should I do?

Ralf