...

#Excluded modules: jabber osp pa unixodbc (mysql)
ifeq ($(OPTWARE_TARGET),ts72xx)
OPENSER_INCLUDE_MODULES=auth_radius avp_radius group_radius uri_radius cpl-c postgres
OPENSER_MYSQL_STAGE=
else
OPENSER_INCLUDE_MODULES=auth_radius avp_radius group_radius uri_radius cpl-c postgres mysql
OPENSER_MYSQL_STAGE=mysql-stage
endif

...

#
$(OPENSER_BUILD_DIR)/.configured: $(DL_DIR)/$(OPENSER_SOURCE) $(OPENSER_PATCHES) make/openser.mk
	$(MAKE) flex-stage openssl-stage radiusclient-ng-stage libxml2-stage postgresql-stage $(OPENSER_MYSQL_STAGE)
	rm -rf $(BUILD_DIR)/$(OPENSER_DIR) $(OPENSER_BUILD_DIR)

....