[...]

Patch #2 (sudo-sh.patch):
+ </tmp/B.ufvjkzjp/sudo-sh.patch 
+ /usr/bin/patch -s -p1 '--fuzz=0'
+ '[' -f m4/ax_sys_weak_alias.m4 ']'
+ cp /usr/share/aclocal/ax_sys_weak_alias.m4 m4
+ RPM_EC=0 
+ jobs -p
+ exit 0
Executing(%build): /bin/sh -e /tmp/B.ufvjkzjp/BUILD/tmp/rpm-tmp.UWq6um
TMP=/home/users/builder/tmp
HOME=/home/users/builder
PATH=/bin:/usr/bin:/usr/X11R6/bin:/usr/local/bin:/home/users/builder/bin
TMPDIR=/tmp/B.ufvjkzjp/BUILD/tmp
+ umask 022
+ cd /tmp/B.ufvjkzjp/BUILD
+ cd sudo-1.9.8p2
+ libtoolize --copy --force --install
libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, 'scripts'.
libtoolize: copying file 'scripts/config.guess'
libtoolize: copying file 'scripts/config.sub'
libtoolize: copying file 'scripts/install-sh'
libtoolize: copying file 'scripts/ltmain.sh'
libtoolize: putting macros in AC_CONFIG_MACRO_DIRS, 'm4'.
libtoolize: copying file 'm4/libtool.m4'
libtoolize: copying file 'm4/ltoptions.m4'
libtoolize: copying file 'm4/ltsugar.m4'
libtoolize: copying file 'm4/ltversion.m4'
libtoolize: copying file 'm4/lt~obsolete.m4'
libtoolize: Consider adding '-I m4' to ACLOCAL_AMFLAGS in Makefile.am.
+ cp -f /usr/share/automake/config.sub .
+ aclocal -I m4
configure.ac:20: error: Autoconf version 2.70 or higher is required
configure.ac:20: the top level
autom4te: /usr/bin/m4 failed with exit status: 63
aclocal: error: echo failed with exit status: 63
error: Bad exit status from /tmp/B.ufvjkzjp/BUILD/tmp/rpm-tmp.UWq6um (%build)
RPM build errors:
    line 66: It's not recommended to have unversioned Obsoletes: Obsoletes:	cu-sudo
    Bad exit status from /tmp/B.ufvjkzjp/BUILD/tmp/rpm-tmp.UWq6um (%build)
ended at: Mon Feb 21 12:30:42 2022, done in 0:00:03.322769
error: No files produced.
+ chmod -R u+rwX /tmp/B.ufvjkzjp/BUILD
+ rm -rf /tmp/B.ufvjkzjp/tmp /tmp/B.ufvjkzjp/BUILD
+ rm -rf /tmp/B.ufvjkzjp
Begin-TLD-Builder-Info
Build-Time: user:5.18s sys:0.92s real:6.41s (faults io:0 non-io:153605)
End-TLD-Builder-Info