[...]

or target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/adwaita-icon-theme-48.0-1.src.rpm
real 0.19
user 0.18
sys 0.01
Writing git revision for tag tld/adwaita-icon-theme-48.0-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.43s sys:0.51s real:3.58s (faults io:1 non-io:144843)
Files queued for ftp:
   4535115 adwaita-icon-theme-48.0-1.src.rpm
       195 adwaita-icon-theme-48.0-1.src.rpm.uploadinfo
End-TLD-Builder-Info