Hi guys.

I'm trying to rebuild 'rust-vhost-device-gpu.spec' from 'rust-vhost-device-gpu-0.1.0-2.el10s.src.rpm' and I fail with:
...
Start: buildsrpm
Start: rpmbuild -bs
error: macro expansion did not return an integer:  (%2)
    ? "%{expand:%%{!?_without_%{1}:%%global with_%{1} 1}}"
    : "%{expand:%%{?_with_%{1}:%%global with_%{1} 1}}"
error: expanded string: %2
...

This is some tickery I'm missing here - missing args to cmd which in my case is 'mock' - specific to this .spec?

many thanks, L