rpm spec file %define

[Joseph L. Casale]

>> For the academic sake only, does a facility exist to defer evaluation
>> for this use case?
>
>It would get kinda ugly, but you could re-expand the macro body:
>
>%global foo-bar_dir %{expand:%(ls -d %{_builddir}/%{name}-%{version}/foo-bar-*-baz |grep -o '[^/]*$')}

Thanks Michael,
jlc