CFLAGS= -Wall -O2 -g

CC=$(CROSS_COMPILE)gcc
SPARSE=sparse
CHECKPATCH=/usr/src/linux/scripts/checkpatch.pl

SCAN_PAGEMAP_OBJS=main.o parse.o treeops.o analyze.o pidlib.o rbtree.o
SCAN_PAGEMAP_DEBUG_OBJS= $(patsubst %.o,%-debug.o,$(SCAN_PAGEMAP_OBJS))
ALL_OBJS = $(SCAN_PAGEMAP_OBJS) $(SCAN_PAGEMAP_DEBUG_OBJS)
ALL_DEBS = $(patsubst %.o,.%.o.d,$(ALL_OBJS))

ifeq ($(V),1)
	Q		=
	QUIET_CC	=
	QUIET_LINK	=
else
	Q		= @
	QUIET_CC	= @echo "       CC " $@;
	QUIET_LINK	= @echo "     LINK " $@;
endif

scan-pagemap: $(SCAN_PAGEMAP_OBJS)
	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(SCAN_PAGEMAP_OBJS)

debug-pagemap: $(SCAN_PAGEMAP_DEBUG_OBJS)
	$(QUIET_LINK)$(CC) $(CFLAGS) -o $@ $(SCAN_PAGEMAP_DEBUG_OBJS) -DDEBUG -O0

.c.o:
	$(QUIET_CC)$(CC) -MMD -MF .$@.d $(CFLAGS) -c $< -o $@
ifeq ($(C),1)
	sparse $(CFLAGS) $<
endif
ifeq ($(C),2)
	$(CHECKPATCH) -f $<
endif
	$(Q)cp .$@.d .$@.P; \
            sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
                -e '/^$$/ d' -e 's/$$/ :/' < .$@.d >> .$@.P; \
            mv .$@.P .$@.d

%-debug.o: %.c
	$(QUIET_CC)$(CC) -MMD -MF .$@.d $(CFLAGS) -DDEBUG -O0 -c $< -o $@
	$(Q)cp .$@.d .$@.P; \
            sed -e 's/#.*//' -e 's/^[^:]*: *//' -e 's/ *\\$$//' \
                -e '/^$$/ d' -e 's/$$/ :/' < .$@.d >> .$@.P; \
            mv .$@.P .$@.d

TAGS:
	@echo -e "\tTAGS\t"
	@etags *.[ch]

clean:
	rm -rfv $(ALL_OBJS) *~ scan-pagemap TAGS $(ALL_DEBS) debug-pagemap

.PHONY: all clean TAGS

-include $(ALL_DEBS)