[...]

No conditional flags passed
from available:
--with   :	 golang python2
--without:	 bluetooth brlapi efi hypervisor ocaml opengl pv_grub qemu_traditional sdl stubdom systemd xsm
Available branches: AC-branch DEVEL-4.18 XEN-4.3 XEN_3_0_2 XEN_3_0_4 XEN_3_4 master xen-4.2 xen-4.5 xen-4.6 xen4.1
xen-4.17.3.tar.gz having proper md5sum already exists
lwip-1.3.0.tar.gz having proper md5sum already exists
newlib-1.16.0.tar.gz having proper md5sum already exists
zlib-1.2.3.tar.gz having proper md5sum already exists
pciutils-2.2.9.tar.bz2 having proper md5sum already exists
grub-0.97.tar.gz having proper md5sum already exists
polarssl-1.1.4-gpl.tgz having proper md5sum already exists
tpm_emulator-0.7.4.tar.gz having proper md5sum already exists
gmp-4.3.2.tar.bz2 having proper md5sum already exists
ipxe-git-3c040ad387099483102708bb1839110bc788cefb.tar.gz having proper md5sum already exists
./builder[2756]: ulimit: unlimited exceeds allowable coredump(blocks) limit
warning: Macro expanded in comment on line 922: %{_datadir}/gocode/src/golang.xenproject.org/xenlight
warning: %changelog not in descending chronological order
warning: %changelog not in descending chronological order
Building target platforms: x86_64-linux
Building for target x86_64-linux
Wrote: /home/users/builder/rpm/SRPMS/xen-4.17.3-1.src.rpm
RPM build warnings:
    Macro expanded in comment on line 922: %{_datadir}/gocode/src/golang.xenproject.org/xenlight
    %changelog not in descending chronological order
    %changelog not in descending chronological order
real 1.99
user 1.87
sys 0.12
warning: Macro expanded in comment on line 922: %{_datadir}/gocode/src/golang.xenproject.org/xenlight
warning: %changelog not in descending chronological order
warning: %changelog not in descending chronological order
Writing git revision for tag tld/xen-4.17.3-1
error: Macro %_builddir has empty body
Begin-TLD-Builder-Info
Build-Time: user:10.80s sys:3.24s real:19.72s (faults io:15 non-io:1216187)
Files queued for ftp:
  67055056 xen-4.17.3-1.src.rpm
       182 xen-4.17.3-1.src.rpm.uploadinfo
End-TLD-Builder-Info