######################################################################
# Choose your favorite C compiler
CC = gcc

######################################################################
# -DNDEBUG prevents the assert() statements from being included in 
# the code.  If you are having problems running the code, you might 
# want to comment this line to see if an assert() statement fires.
FLAG1 = -DNDEBUG

######################################################################
# -DKLT_USE_QSORT forces the code to use the standard qsort() 
# routine.  Otherwise it will use a quicksort routine that takes
# advantage of our specific data structure to greatly reduce the
# running time on some machines.  Uncomment this line if for some
# reason you are unhappy with the special routine.
# FLAG2 = -DKLT_USE_QSORT

######################################################################
# Add your favorite C flags here.
CFLAGS = $(FLAG1) $(FLAG2)


######################################################################
# There should be no need to modify anything below this line (but
# feel free to if you want).

EXAMPLES = example1.c example2.c example3.c example4.c example5.c
ARCH = convolve.c error.c pnmio.c pyramid.c selectGoodFeatures.c \
       storeFeatures.c trackFeatures.c klt.c klt_util.c writeFeatures.c
LIB = -L/usr/local/lib -L/usr/lib

.SUFFIXES:  .c .o

all:  lib $(EXAMPLES:.c=)

.c.o:
	$(CC) -c $(CFLAGS) $<

lib: $(ARCH:.c=.o)
	rm -f libklt.a
	ar ruv libklt.a $(ARCH:.c=.o)
	rm -f *.o

example1: libklt.a
	$(CC) -O3 $(CFLAGS) -o $@ $@.c -L. -lklt $(LIB) -lm

example2: libklt.a
	$(CC) -O3 $(CFLAGS) -o $@ $@.c -L. -lklt $(LIB) -lm

example3: libklt.a
	$(CC) -O3 $(CFLAGS) -o $@ $@.c -L. -lklt $(LIB) -lm

example4: libklt.a
	$(CC) -O3 $(CFLAGS) -o $@ $@.c -L. -lklt $(LIB) -lm

example5: libklt.a
	$(CC) -O3 $(CFLAGS) -o $@ $@.c -L. -lklt $(LIB) -lm

depend:
	makedepend $(ARCH) $(EXAMPLES)

clean:
	rm -f *.o *.a $(EXAMPLES:.c=) *.tar *.tar.gz libklt.a