The use flag combination -pam +locking is not possible with that configure.ac.
Having a pam conf and a /etc/pam.d could be remnants from a previous installation
of pam and don't tell us for sure that the user does not want this.

Bug: https://bugs.gentoo.org/908509

# Pascal Jäger <pascal.jaeger@leimstift.de>

--- a/configure.ac
+++ b/configure.ac
@@ -4971,7 +4971,6 @@ elif test "$have_pam" = no -a "$enable_locking" = yes ; then
   if test -d /etc/pam.d -o -f /etc/pam.conf ; then
     warn  "Your system seems to have PAM, but PAM is not being used."
     warn2 "That is probably not going to work out well."
-    CONF_STATUS=1
   fi
 fi