from...
configure.ac:184: the top level
configure.ac:214: warning: The macro `AC_ERROR' is obsolete.
configure.ac:214: You should run autoupdate.
./lib/autoconf/oldnames.m4:34: AC_ERROR is expanded from...
configure.ac:214: the top level
configure.ac:225: warning: The macro `AC_ERROR' is obsolete.
configure.ac:225: You should run autoupdate.
./lib/autoconf/oldnames.m4:34: AC_ERROR is expanded from...
configure.ac:225: the top level
configure.ac:238: warning: The macro `AC_ERROR' is obsolete.
configure.ac:238: You should run autoupdate.
./lib/autoconf/oldnames.m4:34: AC_ERROR is expanded from...
configure.ac:238: the top level
configure.ac:251: warning: The macro `AC_ERROR' is obsolete.
configure.ac:251: You should run autoupdate.
./lib/autoconf/oldnames.m4:34: AC_ERROR is expanded from...
configure.ac:251: the top level
configure.ac:366: warning: The macro `AC_CONFIG_HEADER' is obsolete.
configure.ac:366: You should run autoupdate.
./lib/autoconf/status.m4:719: AC_CONFIG_HEADER is expanded from...
configure.ac:366: the top level
./configure --enable-autogen 
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C11 features... none needed
checking for special C compiler options needed for large files... no
checking for _FILE_OFFSET_BITS value needed for large files... no
checking how to run the C preprocessor... gcc -E
checking for a BSD-compatible install... /usr/bin/install -c
checking for ld... /usr/bin/ld
checking for ar... /usr/bin/ar
checking for ranlib... /usr/bin/ranlib
checking for autoconf... /usr/bin/autoconf
checking whether to build shared libraries... yes
checking whether to build static libraries... yes
checking build system type... ./config.guess: unable to guess system type
This script, last modified 2005-08-03, has failed to recognize
the operating system you are using. It is advised that you
download the most up to date version of the config scripts from
  http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.guess
and
  http://savannah.gnu.org/cgi-bin/viewcvs/*checkout*/config/config/config.sub
If the version you run (./config.guess) is already up to date, please
send the following data and any information you think might be
pertinent to <config-patches@gnu.org> in order to provide the needed
information to handle your system.
config.guess timestamp = 2005-08-03
uname -m = riscv64
uname -r = 5.18.8-200.0.riscv64.fc33.riscv64
uname -s = Linux
uname -v = #1 SMP Wed Jun 29 15:09:53 EDT 2022
/usr/bin/uname -p = unknown
/bin/uname -X     = 
hostinfo               = 
/bin/universe          = 
/usr/bin/arch -k       = 
/bin/arch              = riscv64
/usr/bin/oslevel       = 
/usr/convex/getsysinfo = 
UNAME_MACHINE = riscv64
UNAME_RELEASE = 5.18.8-200.0.riscv64.fc33.riscv64
UNAME_SYSTEM  = Linux
UNAME_VERSION = #1 SMP Wed Jun 29 15:09:53 EDT 2022
configure: error: cannot guess build type; you must specify one
Error 0 in ./configure
error: Bad exit status from /var/tmp/rpm-tmp.4uEOrG (%build)
RPM build warnings:
RPM build errors:
    %patchN is deprecated (6 usages found), use %patch N (or %patch -P N)
    Bad exit status from /var/tmp/rpm-tmp.4uEOrG (%build)
Child return code was: 1
EXCEPTION: [Error()]
Traceback (most recent call last):
  File "/usr/lib/python3.9/site-packages/mockbuild/trace_decorator.py", line 93, in trace
    result = func(*args, **kw)
  File "/usr/lib/python3.9/site-packages/mockbuild/util.py", line 600, in do_with_status
    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/xar.spec