env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'} and shell False
Building target platforms: riscv64
Building for target riscv64
setting SOURCE_DATE_EPOCH=1564012800
Wrote: /builddir/build/SRPMS/kBuild-0.1.9998.r3296-3.20190122.fc31.src.rpm
Child return code was: 0
ENTER ['do'](['bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/kBuild.spec'], chrootPath='/var/lib/mock/f31-build-102705-33571/root'env={'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'}shell=Falselogger=<mockbuild.trace_decorator.getLog object at 0x15580c0f98>timeout=432000uid=986gid=135user='mockbuild'nspawn_args=[]unshare_net=TrueprintOutput=False)
Executing command: ['bash', '--login', '-c', '/usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/kBuild.spec'] with env {'TERM': 'vt100', 'SHELL': '/bin/bash', 'HOME': '/builddir', 'HOSTNAME': 'mock', 'PATH': '/usr/bin:/bin:/usr/sbin:/sbin', 'PROMPT_COMMAND': 'printf "\\033]0;<mock-chroot>\\007"', 'PS1': '<mock-chroot> \\s-\\v\\$ ', 'LANG': 'en_US.UTF-8'} and shell False
Building target platforms: riscv64
Building for target riscv64
setting SOURCE_DATE_EPOCH=1564012800
Executing(%prep): /bin/sh -e /var/tmp/rpm-tmp.ZEeTax
+ umask 022
+ cd /builddir/build/BUILD
+ cd /builddir/build/BUILD
+ rm -rf kBuild
+ /usr/bin/tar -xof -
+ /usr/bin/gzip -dc /builddir/build/SOURCES/kBuild-r3296.20190122.tar.gz
+ STATUS=0
+ '[' 0 -ne 0 ']'
+ cd kBuild
+ /usr/bin/chmod -Rf a+rX,u+w,g-w,o-w .
+ echo 'Patch #0 (kBuild-0.1.3-escape.patch):'
+ /usr/bin/patch --no-backup-if-mismatch -p1 -b --suffix .escape --fuzz=0
+ echo 'Patch #1 (kBuild-pthread.patch):'
+ /usr/bin/patch --no-backup-if-mismatch -p1 -b --suffix .pthreads --fuzz=0
+ echo 'Patch #6 (kbuild-dummy_noreturn.diff):'
+ /usr/bin/patch --no-backup-if-mismatch -p1 -b --suffix .dummy_noreturn --fuzz=0
+ RPM_EC=0
BUILDSTDERR: ++ jobs -p
+ exit 0
Patch #0 (kBuild-0.1.3-escape.patch):
patching file kBuild/env.sh
Hunk #1 succeeded at 631 (offset 63 lines).
Patch #1 (kBuild-pthread.patch):
patching file Config.kmk
Hunk #1 succeeded at 341 (offset 1 line).
Patch #6 (kbuild-dummy_noreturn.diff):
patching file src/kmk/kmkbuiltin/expr.c
patching file src/kmk/kmkbuiltin/kbuild_protection.c
patching file src/sed/lib/utils.c
Executing(%build): /bin/sh -e /var/tmp/rpm-tmp.9o2Kyy
+ umask 022
+ cd /builddir/build/BUILD
+ cd kBuild
+ echo KBUILD_SVN_URL := http://svn.netlabs.org/repos/kbuild/trunk
+ echo KBUILD_SVN_REV := 3296
+ find -name config.log -delete
+ kBuild/env.sh --full make -f bootstrap.gmk -j4 'CFLAGS=-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong -grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -fasynchronous-unwind-tables -fstack-clash-protection' KBUILD_VERBOSE=2 KBUILD_VERSION_PATCH=9998
error: kBuild/env.sh: unknown cpu/arch - riscv64
RPM build errors:
BUILDSTDERR: Bad exit status from /var/tmp/rpm-tmp.9o2Kyy (%build)
BUILDSTDERR:     Bad exit status from /var/tmp/rpm-tmp.9o2Kyy (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.7/site-packages/mockbuild/trace_decorator.py", line 96, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.7/site-packages/mockbuild/util.py", line 700, in do
    raise exception.Error("Command failed: \n # %s\n%s" % (command, output), child.returncode)
mockbuild.exception.Error: Command failed: 
 # bash --login -c /usr/bin/rpmbuild -bb --target riscv64 --nodeps /builddir/build/SPECS/kBuild.spec