During a testbuild of cpio-2.5-7 in mock, the missing BuildRequire on texinfo
becomes aparent:

Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.50738
+ umask 022
+ cd /builddir/build/BUILD
+ cd cpio-2.5
+ LANG=C
+ export LANG
+ unset DISPLAY
+ rm -rf /var/tmp/cpio-root
+ /usr/bin/make prefix=/var/tmp/cpio-root/usr exec_prefix=/var/tmp/cpio-root/usr
bindir=/var/tmp/cpio-root/bin sbindir=/var/tmp/cpio-root/usr/sbin
sysconfdir=/var/tmp/cpio-root/etc datadir=/var/tmp/cpio-root/usr/share
includedir=/var/tmp/cpio-root/usr/include libdir=/var/tmp/cpio-root/usr/lib64
libexecdir=/var/tmp/cpio-root/sbin localstatedir=/var/tmp/cpio-root/var
sharedstatedir=/var/tmp/cpio-root/usr/com
mandir=/var/tmp/cpio-root/usr/share/man
infodir=/var/tmp/cpio-root/usr/share/info install
./mkinstalldirs /var/tmp/cpio-root/bin /var/tmp/cpio-root/sbin
/var/tmp/cpio-root/usr/share/man/man1 /var/tmp/cpio-root/usr/share/info
mkdir /var/tmp/cpio-root
mkdir /var/tmp/cpio-root/bin
mkdir /var/tmp/cpio-root/sbin
mkdir /var/tmp/cpio-root/usr
mkdir /var/tmp/cpio-root/usr/share
mkdir /var/tmp/cpio-root/usr/share/man
mkdir /var/tmp/cpio-root/usr/share/man/man1
mkdir /var/tmp/cpio-root/usr/share/info
/usr/bin/install -c cpio /var/tmp/cpio-root/bin/cpio
test ! -f mt || /usr/bin/install -c mt /var/tmp/cpio-root/bin/mt
test ! -f rmt || /usr/bin/install -c rmt /var/tmp/cpio-root/sbin/rmt
/usr/bin/install -c -m 644 ./cpio.1 /var/tmp/cpio-root/usr/share/man/man1/cpio.1
test ! -f mt || /usr/bin/install -c -m 644 ./mt.1
/var/tmp/cpio-root/usr/share/man/man1/mt.1
makeinfo -I. cpio.texi
make: makeinfo: Command not found
make: *** [cpio.info] Error 127
error: Bad exit status from /var/tmp/rpm-tmp.50738 (%install)