CC = gcc
LD = ld
LIBTOOL = libtool
CFLAGS = -Wall -fomit-frame-pointer -O2 -DNDEBUG -D_GNU_SOURCE -D_XOPEN_SOURCE=600
#CFLAGS = -Wall -g -O0 -D_GNU_SOURCE -D_XOPEN_SOURCE=600
LDFLAGS = -L./
OBJS = galois.o aes.o sbox.o aes-stream.o
LIBTOOL_OBJS = $(OBJS:.o=.lo)
LIBMINOR = 0.0
LIBMAJOR = 1
LIBSO = libaes.so.$(LIBMAJOR).$(LIBMINOR)
LIBLA = libaes.la
TARGET = test
STREAM = stream
AESCAT = aescat

sources = $(SOURCES)
include $(sources:.c=.d)

.PHONY = lib clean

# Rule to make *.d files which contain header dependencies.
%.d: %.c
	@set -e; rm -f $@; \
	$(CC) -M $(CPPFLAGS) $< > $@.$$$$; \
	sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; \
	rm -f $@.$$$$

all: $(LIBLA) $(TARGET) $(STREAM) $(AESCAT)

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

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

%.o: %.c
	$(LIBTOOL) --mode=compile $(CC) $(CFLAGS) -c -o $@ $<

$(TARGET): test.o $(LIBTOOL_OBJS)
	$(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^

$(STREAM): stream.o aes-stream.o $(LIBLA)
	$(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
	
$(AESCAT): aescat.o $(LIBLA)
	$(LIBTOOL) --mode=link $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^

$(LIBLA): $(OBJS)
	$(LIBTOOL) --mode=link $(CC) $(CFLAGS) -o libaes.la $(LIBTOOL_OBJS) \
		   -version-info 1:0 -export-symbols exported.sym -rpath /usr/local/lib -lc
clean:
	-rm -rf *~ *.o $(TARGET) $(AESCAT) aescat.lo \
		$(STREAM) $(LIBSO) $(LIBTOOL_OBJS) \
		$(LIBLA) libaes.so libaes.so.*
	-rm -rf .libs