ifneq ($(wildcard $(CONFIG)),)
include $(CONFIG)
else
-$(error "rpp-lib not compiled! Run `make -C $(makefile_inc_dir)/../rpp-lib/build/<target>/Release`")
+$(error "rpp-lib not compiled! Either run `make -C $(makefile_inc_dir)/../rpp-lib/build/<target>/Release` or build the appropriate CCS project.")
endif
include $(makefile_inc_dir)/../rpp-lib/build/Makefile.rules