Hey,
I hope you find our new osc 0.167 release helpful (only in openSUSE:Tools project atm).
It should help you a lot when building inside of KVM environments, or
if you want to do a local build for arm/s390/ppc/riscv on your x86_64
workstation
Find details here:
https://openbuildservice.org/2019/12/05/osc-build-improvements/
Also CentOS 8 people should be happy to hear that local builds
using rpms out of RedHat's rpm-md modules are working now.
bye
adrian
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Adrian Schroeter