#
# simple example Makefile for compiling main program (main.c)
# and functions (declared in foobar.h, defined in foobar.c).
#
# define a variable
# reference later with $(CFLAGS)
CFLAGS = -Wall -pedantic -O -std=c99 

# combine results of separately compiling main.c and foobar.c
main: main.o foobar.o
	gcc -o main main.o foobar.o

# compile main.c and foobar.c separately
main.o: main.c defs.h foobar.h
	gcc $(CFLAGS) -c main.c
foobar.o:  foobar.c defs.h foobar.h
	gcc $(CFLAGS) -c foobar.c

# cleanup -- convenient for deleting files we could recreate
.PHONY: clean
clean:
	rm main.o foobar.o main