Makefile

CFLAGS=-Wall -lm -lcrypt -O2 -pipe -ansi -DONLINE_JUDGE
#CFLAGS=-g -Wall -pg -static
SOURCES := $(wildcard *.c)
PROGS := $(patsubst %.c, %, $(SOURCES))
TESTS := $(patsubst %.c, %.test, $(SOURCES))
all: $(PROGS)

%:%.c
	$(CC) $(CFLAGS) -c -o $@.o $<
	$(CC) $(CFLAGS) -o $@ $@.o
	#$(CC) $(CFLAGS) -o $@ $<

#%.o: %.c
#	$(CC) $(CFLAGS) -c -o $@ $<
#
#%:%.o
#	$(CC) $(CFLAGS) -o $@ $<

#TODO: this rule is not working - does not rebuild programs for out files
%.out: %

%.out: %.in %.ans
	./$* < $*.in > $*.out

test: $(TESTS)
%.test: %.out %.ans
	diff $^ > $@ || ( cat $@ && false )

.PHONY: all tests clean
.DELETE_ON_ERROR: $(TESTS)
clean:
	-@rm $(PROGS) *.out *.test 2>/dev/null *.o