--- configure.orig	2021-12-07 14:11:12 UTC
+++ configure
@@ -36683,8 +36683,10 @@ then :
 #define `printf "%s\n" "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
-else $as_nop
-  BUILD_HELPER=""
+# XXX: On FreeBSD we have to do this to make NIS work
+# until https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=188247
+# is resolved.
+  BUILD_HELPER="NIS"
 fi
 
 done
@@ -42604,6 +42606,7 @@ fi
 
 ac_fn_cxx_check_type "$LINENO" "cpu_set_t" "ac_cv_type_cpu_set_t" "
 #if HAVE_SCHED_H
+#define _WITH_CPU_SET_T
 #include <sched.h>
 #endif
 
@@ -45611,6 +45614,7 @@ else $as_nop
 #       include <sys/ioccom.h>
 #       include <netinet/in.h>
 #undef minor_t
+#       include <net/if.h>     /* IFNAMSIZ */
 #       include <netinet/ip_compat.h>
 #       include <netinet/ip_fil.h>
 #       include <netinet/ip_nat.h>