# Makefile to create servo shared library
#
# requires the pca9685_pwm library to be installed first
#

# files to install
#
LIBSERVO = /usr/local/lib/libservo.so
HSERVO = /usr/local/include/servo.h

OBJS = servo.o

CFLAGS = -Wall -fPIC -shared 

all: libservo.so

# compile main.cc after the servo library is installed
#
main: main.cc Makefile
	g++ -Wall main.cc -o main -lservo

libservo.so: $(OBJS) Makefile
	g++ $(CFLAGS) -o libservo.so $(OBJS) -lpca9685_pwm

servo.o: servo.cc servo.h
	g++ -c $(CFLAGS) servo.cc

install: libservo.so servo.h Makefile
	cp -p libservo.so $(LIBSERVO) && chown root:root $(LIBSERVO) \
	 && chmod 755 $(LIBSERVO)
	cp -p servo.h $(HSERVO) && chown root:root $(HSERVO) \
	 && chmod 644 $(HSERVO)
	ldconfig

clean:
	rm -f a.out core libservo.so $(OBJS) main