diff -Naur samba-4.6.1.orig/ctdb/wscript samba-4.6.1/ctdb/wscript
--- samba-4.6.1.orig/ctdb/wscript	2017-03-30 12:54:50.646453287 +0300
+++ samba-4.6.1/ctdb/wscript	2017-03-30 12:54:51.348454582 +0300
@@ -546,6 +546,7 @@
                      source=bld.SUBDIR('utils/smnotify',
                                        'smnotify.c gen_smnotify.c gen_xdr.c'),
                      deps='ctdb-smnotify-h ctdb-smnotify-c ctdb-smnotify-x popt',
+                     ldflags='-ltirpc',
                      includes='utils utils/smnotify',
                      install_path='${CTDB_HELPER_BINDIR}')
 
diff -Naur samba-4.6.1.orig/source3/wscript_build samba-4.6.1/source3/wscript_build
--- samba-4.6.1.orig/source3/wscript_build	2017-03-30 12:54:51.098454121 +0300
+++ samba-4.6.1/source3/wscript_build	2017-03-30 12:54:51.349454583 +0300
@@ -758,6 +758,7 @@
                    bld.env['dmapi_lib'] +
                    bld.env['legacy_quota_libs'] +
                    NOTIFY_DEPS,
+                   ldflags='-ltirpc',
                    private_library=True)
 
 bld.SAMBA3_SUBSYSTEM('LOCKING',