--- openssh-7.6_p1-r5.ebuild.gentoo     2018-03-13 13:08:46.000000000 -0600
+++ openssh-7.6_p1-r5.ebuild    2018-04-19 16:27:16.779953770 -0600
@@ -198,7 +198,7 @@
                # We apply the ldap patch conditionally, so can't pass --without-ldap
                # unconditionally else we get unknown flag warnings.
                $(use ldap && use_with ldap)
-               $(use_with ldns)
+               $(use_with ldns ldns "${EROOT}")
                $(use_with libedit)
                $(use_with pam)
                $(use_with pie)