#add.o: add.c
#       gcc -c add.c
CC=gcc
INSTALL = install
#IFLAG = -Dm 755
IFLAG =  

all:complex
complex_install:install

complex: complex.o add.o subtract.o multiply.o
        $(CC) -o complex complex.o add.o subtract.o multiply.o

.PHONY: clean
clean:
        rm *.o complex

install:
        @echo "Installing..."
        $(INSTALL) $(IFLAG) complex $(DESTDIR)/opt/complex/bin/complex