Build Error: Gnulib files not imported

[dev-venkatesh]

I am getting the below error while I am building pam_tacplus rpm.

checking for gnulib-tool... gnulib-tool
configure: error: 
lib/malloca.c not found!
Gnulib files not imported. Run:

gnulib-tool --makefile-name=Makefile.gnulib --libtool --import fcntl crypto/md5 array-list list xlist getrandom realloc-posix explicit_bzero xalloc getopt-gnu

error: Bad exit status from /var/tmp/rpm-tmp.7VzIJQ (%build)

RPM build errors:
    bogus date in %changelog: Tue Oct 27 2022 - Pawel Krawczyk <p+debian@krvtz.net>
    Bad exit status from /var/tmp/rpm-tmp.7VzIJQ (%build)

Can you please help on how to resolve this issue?