abstract out deps to allow adding more dep files...

Makefile

@@ -129,11 +129,13 @@ $(LIBLORA_TEST): $(LIBLORA_TEST_OBJS)
 .PHONY: all
 all: $(PROG)$(PROGEXT) $(PROG).list
 
+DEPENDS = .arm_deps .test_deps
 .PHONY: depend
-depend: .arm_deps .test_deps
+depend: $(DEPENDS)
 
-.sinclude ".arm_deps"
-.sinclude ".test_deps"
+.for i in $(DEPENDS)
+.sinclude "$i"
+.endfor
 
 .arm_deps: $(SRCS)
 	$(ARMCC) $(ARMTARGET) $(CFLAGS) $(.ALLSRC) -MM > $@ || rm -f $@
@@ -149,7 +151,7 @@ $(PROG).list: $(PROG)$(PROGEXT)
 
 .PHONY: runbuild
 runbuild: $(SRCS)
-	for i in $(.MAKEFILE_LIST) $(.ALLSRC) $$(gsed ':x; /\\$$/ { N; s/\\\n//; tx }' < .depend  | sed -e 's/^[^:]*://'); do if [ "$$i" != ".." ]; then echo $$i; fi; done | entr -d sh -c 'echo starting...; cd $(.CURDIR) && $(MAKE) $(.MAKEFLAGS) depend && $(MAKE) $(.MAKEFLAGS) all'
+	for i in $(.MAKEFILE_LIST) $(.ALLSRC) $$(cat $(DEPENDS) | gsed ':x; /\\$$/ { N; s/\\\n//; tx }' | sed -e 's/^[^:]*://'); do if [ "$$i" != ".." ]; then echo $$i; fi; done | entr -d sh -c 'echo starting...; cd $(.CURDIR) && $(MAKE) $(.MAKEFLAGS) depend && $(MAKE) $(.MAKEFLAGS) all'
 
 .PHONY: runtests
 runtests: Makefile lora_comms.py lora.py $(LIBLORA_TEST) $(LIBLORA_TEST_SRCS)