diff -ur sendmail-8.9.3.orig/redhat.config.m4 sendmail-8.9.3/redhat.config.m4
--- sendmail-8.9.3.orig/redhat.config.m4	Tue Jul  6 21:45:20 1999
+++ sendmail-8.9.3/redhat.config.m4	Tue Jul  6 21:53:17 1999
@@ -1,5 +1,5 @@
 define(`confMAPDEF', `-DNEWDB -DNIS')
-define(`confENVDEF', `$(RPM_OPT_FLAGS) -DXDEBUG=0')
-define(`confLIBS', `-lnsl')
+define(`confENVDEF', `$(RPM_OPT_FLAGS) -DXDEBUG=0 -DTCPWRAPPERS=1')
+define(`confLIBS', `-lnsl -lwrap')
 define(`confLDOPTS', `-s')
 define(`confINCDIRS', `-I/usr/include/db1')