as long as SASL is not optional, it must be a requirement

openldap/openldap.spec

@@ -42,7 +42,7 @@ Source1:      rc.openldap
 #   build information
 Prefix:       %{l_prefix}
 BuildRoot:    %{l_buildroot}
-BuildPreReq:  OpenPKG, openpkg >= 20020206, openssl, db, make
+BuildPreReq:  OpenPKG, openpkg >= 20020206, openssl, db, make, sasl
 PreReq:       OpenPKG, openpkg >= 20020206
 AutoReq:      no
 AutoReqProv:  no