X-Git-Url: http://git.asbjorn.biz/?p=rapper.git;a=blobdiff_plain;f=src%2FMakefile;h=0022b3da4f396b655b480b838e74ea7a7e3768f4;hp=bf7dcc7df9ed3bb5c9bb612ed2ae31b10deadd42;hb=626209dbba411cb9604a02fcb02cb2c5f6cec0ff;hpb=ab3f716f01b5b40ce743fbaa5780e12e448b609c

diff --git a/src/Makefile b/src/Makefile
index bf7dcc7..0022b3d 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -11,8 +11,11 @@ USB_OBJS=usb/serial.o usb/core.o usb/desc.o usb/hw.o usb/user.o usb/vcom.o usb/c
 BOARD_OBJS=$(BPATH)/startup.o $(BPATH)/system.o boards/cortex_m3/core_cm3.o
 OBJECTS=main.o $(BOARD_OBJS) $(USB_OBJS)
 
+depend=$(shell sh -c 'b=$$(echo $1|sed -e"s/\\.o$$//g");([ -f $$b.d ] \
+	&& sed -e":a;N;$$!ba;s/\\\\\\n//g" $$b.d|grep "^$$(basename $1):"\
+	| cut -d: -f2)||echo $$b.c')
 
-all: crc
+all: crc.h crc
 
 $(PROJECT).elf: $(OBJECTS)
 	$(PLATFORM)-ld -Map $(PROJECT).map $(LDFLAGS) $(OBJECTS) -o $@
@@ -20,17 +23,21 @@ $(PROJECT).elf: $(OBJECTS)
 %.bin: %.elf
 	$(PLATFORM)-objcopy -O binary $< $*.bin
 
-%.o: %.c
+.SECONDEXPANSION:
+%.o: $$(call depend,$$@)
 	$(PLATFORM)-gcc -MM $< -MF $(patsubst %.o,%.d,$@) -MP
 	$(PLATFORM)-gcc $(CFLAGS) -c $< -o $@
 
 .PHONY: clean gdb crc
 
 clean:
-	rm -f $(PROJECT).elf $(OBJECTS) $(OBJECTS:.o=.d) $(PROJECT).map
+	rm -f $(PROJECT).elf $(OBJECTS) $(OBJECTS:.o=.d) $(PROJECT).map crc.h
 
 gdb:
 	$(PLATFORM)-gdb $(PROJECT).elf
 
 crc:	$(PROJECT).bin
-	../tools/lpcrc/lpcrc.sh $(PROJECT).bin $(BPATH)/startup.c
+	../tools/lpcrc/lpcrc.sh $(PROJECT).bin crc.h
+
+crc.h:	crc.tmpl.h
+	cp crc.tmpl.h crc.h