external/esp_idf_port: Add depend PHONY in makefile.
Add depend PHONY in makefile to fix the make error as below
make[2]: Leaving directory '/root/tizenrt/external/esp_idf_port'
make[2]: *** No rule to make target 'depend'.  Stop.
@@ -121,7 +121,7 @@ OBJS = $(CXXOBJS) $(COBJS)
# Common build
all: $(SUBDIRS) .built
-.PHONY: clean distclean
+.PHONY: .depend depend clean distclean
ECHO:
@echo $(SUBDIRS)
@@ -132,6 +132,12 @@ $(SUBDIRS): ECHO
.built: $(OBJS)
$(call ARCHIVE, $(BIN), $(OBJS))
+.depend: Makefile $(SRCS)
+ $(Q) $(MKDEP) $(DEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep
+ $(Q) touch $@
+
+depend: .depend
+
$(CXXOBJS) : %$(OBJEXT): %.cpp
$(call COMPILEXX, $<, $@)
