[...]

No conditional flags passed
from available:
--with   :	
--without:	 static static_libs
Available branches: master
Searching for tag tld/efivar-37-1...
Searching for tag tld/efivar-37-1...
--2021-09-19 01:07:43--  http://distfiles.pld-linux.org/by-md5/9/f/9f067275c5f7aafdd75bfb364280ac9c/efivar-37.tar.bz2
Resolving distfiles.pld-linux.org (distfiles.pld-linux.org)... 193.239.45.41
Connecting to distfiles.pld-linux.org (distfiles.pld-linux.org)|193.239.45.41|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 109431 (107K) [application/x-bzip2]
Saving to: 'efivar-37.tar.bz2'
     0K .......... .......... .......... .......... .......... 46%  811K 0s
    50K .......... .......... .......... .......... .......... 93% 1.57M 0s
   100K ......                                                100% 69.3M=0.09s
2021-09-19 01:07:43 (1.13 MB/s) - 'efivar-37.tar.bz2' saved [109431/109431]
warning: Could not canonicalize hostname: giant
Building target platforms: i686-linux
Wrote: /home/users/builder/rpm/SRPMS/efivar-37-1.src.rpm
exit status 0
Tagging with prefix: tld/
Already on 'master'
No conditional flags passed
from available:
--with   :	
--without:	 static static_libs
Writing git revision for tag tld/efivar-37-1
error: Macro %_builddir has empty body
error: Macro %_builddir has empty body
Executing(--clean): env -i TMP=/home/users/builder/tmp HOME=/home/users/builder PATH=/bin:/usr/bin:/usr/sbin:/sbin:/usr/X11R6/bin TMPDIR=/home/users/builder/tmp  /bin/sh -e /home/users/builder/tmp/rpm-tmp.1771
+ umask 022
+ cd /home/users/builder/rpm/BUILD
+ rm -rf efivar-37
Begin-TLD-Builder-Info
Build-Time: user:1.12s sys:0.45s real:2.93s (faults io:9 non-io:90256)
Files queued for ftp:
    115231 efivar-37-1.src.rpm
       181 efivar-37-1.src.rpm.uploadinfo
End-TLD-Builder-Info