Index: server/common/oursrc/httpdmods/Makefile.in
===================================================================
--- server/common/oursrc/httpdmods/Makefile.in	(revision 389)
+++ server/common/oursrc/httpdmods/Makefile.in	(revision 390)
@@ -1,5 +1,5 @@
 APXS = apxs
 
-MODS = mod_auth_sslcert mod_authz_afsgroup
+MODS = mod_auth_sslcert mod_authz_afsgroup mod_auth_optional
 
 all-local: $(patsubst %,.libs/%.so,$(MODS))