diff --git a/ports/zephyr/Makefile b/ports/zephyr/Makefile index ec2bbbcb62..2327cf73c7 100644 --- a/ports/zephyr/Makefile +++ b/ports/zephyr/Makefile @@ -89,8 +89,10 @@ z_clean: $(MAKE) -f Makefile.zephyr BOARD=$(BOARD) clean # This rule is for prj_$(BOARD)_merged.conf, not $(CONF_FILE), which -# can be overriden -prj_$(BOARD)_merged.conf: prj_base.conf prj_$(BOARD).conf +# can be overriden. +# prj_$(BOARD).conf is optional, that's why it's resolved with $(wildcard) +# function. +prj_$(BOARD)_merged.conf: prj_base.conf $(wildcard prj_$(BOARD).conf) $(PYTHON) makeprj.py prj_base.conf prj_$(BOARD).conf $@ test: