.POSIX:
.SUFFIXES: 
CC	= cc
CFLAGS	= -Wall -O2
LDFLAGS = -static
LDLIBS	=
PREFIX = /usr/local/bin/
DESTDIR = 

all: echo wc yes true false cat
echo: echo.c
wc: wc.c
yes: yes.c
true: true.c
false: 
	ln -s true false
cat: cat.c

clean: 
	rm echo true wc yes false cat

.SUFFIXES: .c .o
.c.o:
	${CC} ${CFLAGS} ${LDFLAGS} -c $<