INSTALL=@INSTALL@
BACKEND_CC := @BACKEND_CC@

LIBRARIES := libcfa.a builtins.cf builtins.c

all: ${LIBRARIES}

install: all
	${INSTALL} -d @CFA_LIBDIR@
	${INSTALL} prelude.cf @CFA_LIBDIR@
	${INSTALL} libcfa.a @CFA_LIBDIR@

# make forward declarations for gcc builtins
builtins.c: Makefile builtins.def
	@BACKEND_CC@ -E prototypes.c | awk -f prototypes.awk > $@

builtins.cf: builtins.c
	@BACKEND_CC@ -E -P $^ | sed -e "/targetm/s/.*//" -e "/_Decimal/s/.*//" -e "s/void (const char \*)0();//" -e "s/\"//g" -e "s/\(__builtin_\) /\1/" > $@
	${INSTALL} builtins.cf @CFA_LIBDIR@

libcfa-prelude.c: ../translator/cfa-cpp prelude.cf builtins.cf
	sed -i -e "s#typedef.*ptrdiff_t.*#`@BACKEND_CC@ -E ptrdiff_t.c | grep 'typedef.*ptrdiff_t'`#" prelude.cf
	../translator/cfa-cpp -l prelude.cf $@
	rm -f prelude.c

libcfa-prelude.o: libcfa-prelude.c
	${BACKEND_CC} -c -o $@ $<

libcfa.a: libcfa-prelude.o
	ar crs $@ $^

EXTRA_OUTPUT += libcfa-prelude.o libcfa-prelude.c

# clean-up rule
clean:
	rm -f ${LIBRARIES} ${EXTRA_OUTPUT}

distclean: clean