all: chess

chess: chess+.o chesslib.o figure.o
    g++ chess+.o chesslib.o figure.o -o chess
chess+.o: chess+.cpp
    g++ -c chess+.cpp
chesslib.o: chesslib.cc
    g++ -c chesslib.cc
figure.o: figure.cc
    g++ -c figure.cc
clean:
    rm -rf *.o chess