semoi@server:/almacen/circuitcellar/2008-abr/nuevo/tmp$ cat Makefile
TARGET = attiny45
WRITER = usbasp

COMPILE = avr-gcc -Wall -O2 -Iusbdrv -I. -mmcu=attiny45 # -DDEBUG_LEVEL=2

OBJECTS = usbdrv.o usbdrvasm.o da.o


all:	da.hex

.c.o:
	$(COMPILE) -c $< -o $@

.S.o:
	$(COMPILE) -x assembler-with-cpp -c $< -o $@

.c.s:
	$(COMPILE) -S $< -o $@

clean:
	rm -f da.hex da.lst da.obj da.cof da.list da.map da.eep.hex da.bin *.o da.s *.o

da.bin:	$(OBJECTS)
	$(COMPILE) -o da.bin $(OBJECTS) -Wl,-Map,da.map

da.hex:	da.bin
	rm -f da.hex da.eep.hex
	avr-objcopy -j .text -j .data -O ihex da.bin da.hex

cpp:
	$(COMPILE) -E da.c

# Fuse low byte:default 0x62
# 0xef = 1 1 1 0   1 1 1 1
#        ^ ^ \ /   \--+--/
#        | |  |       +------- CKSEL 3..0 (external >8M crystal)
#        | |  +--------------- SUT 1..0 (crystal osc, BOD enabled)
#        | +------------------ CKOUT
#        +-------------------- CKDIV8
#Fuse high byte:default 0xdf
#0x5f= 0 1 0 1 1 1 1 1    
semoi@server:/almacen/circuitcellar/2008-abr/nuevo/tmp$

semoi@server:/almacen/circuitcellar/2008-abr/nuevo/tmp$ make        
make: *** No rule to make target `da.o', needed by `da.bin'.  Stop.
semoi@server:/almacen/circuitcellar/2008-abr/nuevo/tmp$