Do not show banner everytime

src/opack.mk

@@ -27,7 +27,9 @@ echo -n "$(2) "
 ($(1)) & pid=$$!; i=0; while ps -a | awk '{print $$1}' | grep -q "$${pid}"; do c=`expr $${i} % 4`; case $${c} in 0) echo -e "◐\c" ;; 1) echo -e "◓\c" ;; 2) echo -e "◑\c" ;; 3) echo -e "◒\c" ;; esac; i=`expr $${i} + 1`; sleep 0.2; echo -e "\b\c"; done; echo; wait $${pid}; ret=$$?; exit $${ret};
 endef
 
+ifdef OPACK_DEBUG
 $(info $(OPACK_BANNER))
+endif 
 
 include $(OPACK_DIR)/options.mk
 include $(OPACK_DIR)/defines.mk