makefile

SOURCES := src/SPO256.c
ARCHIVE := $(addprefix lib,$(notdir $(SOURCES:.c=.a)))
AVR_MMCU := $(if $(AVR_MMCU),$(AVR_MMCU),atmega328p)
AVR_CPU_SPEED := $(if $(AVR_CPU_SPEED),$(AVR_CPU_SPEED),16000000UL)
LIB_PATH := AVR-LIBRARY-COMMON_DEFINES

CROSS_COMPILE := avr-
CC := gcc
AR := ar

INCLUDES := $(addprefix -I,$(LIB_PATH))

AVR_CFLAGS := $(if $(AVR_CFLAGS),$(AVR_CFLAGS),-Wall -g2 -gstabs -O1 -fpack-struct -fshort-enums -ffunction-sections -fdata-sections -std=gnu99 -funsigned-char -funsigned-bitfields -mmcu=$(AVR_MMCU) -DF_CPU=$(AVR_CPU_SPEED))
AVR_AFLAGS := -r
AVR_OBJECTS := $(SOURCES:.c=.o)

.PHONY: all AVR_BUILD

all: AVR_BUILD

AVR_BUILD: $(ARCHIVE)

$(ARCHIVE) : $(AVR_OBJECTS)
	$(CROSS_COMPILE)$(AR) $(AVR_AFLAGS) $@ $<

%.o: %.c
	$(CROSS_COMPILE)$(CC) $(INCLUDES) $(AVR_CFLAGS) -c $< -o $@

clean:
	rm -f $(AVR_OBJECTS) $(ARCHIVE)