[...]

user 0.06
sys 0.02
exit status 0
Writing package revision
builder: SMP make flags are set to -j2
Already up to date.
warning: Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
warning: Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
No conditional flags passed
from available:
--with   :	 emacs xemacs
--without:	 tests
Available branches: AC-branch DEVEL PLD_1_0_freez RA-branch RA-branch_general autoconf-2_53 master rpm3
autoconf-2.72.tar.xz having proper md5sum already exists
./builder[2756]: ulimit: unlimited exceeds allowable coredump(blocks) limit
warning: Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
warning: Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/autoconf-2.72-0.1.src.rpm
RPM build warnings:
    Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
    Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
real 0.08
user 0.08
sys 0.00
warning: Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
warning: Macro expanded in comment on line 27: %{name}-%{version}.tar.bz2
Writing git revision for tag tld/autoconf-2.72-0.1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:1.53s sys:0.50s real:3.76s (faults io:13 non-io:294342)
Files queued for ftp:
   1420782 autoconf-2.72-0.1.src.rpm
       187 autoconf-2.72-0.1.src.rpm.uploadinfo
End-TLD-Builder-Info