Makefile

#CROSS_COMPILE = arm-linux-
AS		= $(CROSS_COMPILE)as
LD		= $(CROSS_COMPILE)ld
CC		= $(CROSS_COMPILE)gcc
CPP		= $(CC) -E
AR		= $(CROSS_COMPILE)ar
NM		= $(CROSS_COMPILE)nm

STRIP		= $(CROSS_COMPILE)strip
OBJCOPY		= $(CROSS_COMPILE)objcopy
OBJDUMP		= $(CROSS_COMPILE)objdump

export AS LD CC CPP AR NM
export STRIP OBJCOPY OBJDUMP

#CFLAGS := -Wall -Werror -O2 -g
CFLAGS := -Werror -O2 -g 
CFLAGS += -I $(shell pwd)/include

#LDFLAGS := -lm -lfreetype -lts -lpthread -ljpeg
LDFLAGS := -pthread

export CFLAGS LDFLAGS

TOPDIR := $(shell pwd)
export TOPDIR

TARGET := robotic

obj-y += main.o pwm.o sys.o kbd.o motor.o leds.o
#obj-y += display/

all : 
	make -C ./ -f $(TOPDIR)/Makefile.build
	$(CC) $(LDFLAGS) -o $(TARGET) built-in.o

clean:
	rm -f $(shell find -name "*.o")
	rm -f $(TARGET)

distclean:
	rm -f $(shell find -name "*.o")
	rm -f $(shell find -name "*.d")
	rm -f $(TARGET)