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.PHONY: clean default install install-src

include $(XSEG_HOME)/base.mk

ifeq (,$(KVER))
KVER := $(shell uname -r)
endif

FILES="Makefile"
FILES+=$(shell ls *.h)
FILES+=$(shell ls *.c)

SUBDIR:=$(subst $(XSEG_HOME),,$(CURDIR))

KDIR := /lib/modules/$(KVER)/build
PWD := $(shell pwd)
EXTRA_CFLAGS += -g -I$(BASE) -I$(BASE)/sys/kernel -DVAL_OVERLOAD
LIBDIR=$(BASE)/lib/kernel

xseg-objs := xsegmod.o
xseg-objs += $(addsuffix .k.o, $(XTYPES))
xseg-objs += xseg.k.o
obj-m += xseg.o segdev.o

DEPENDENCIES = $(addsuffix .k.c, $(XTYPES))
DEPENDENCIES += xseg.k.c

default: $(DEPENDENCIES)
	$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) V=$(V) modules
	cp -vaf xseg.ko segdev.ko $(LIBDIR)

xq.k.c: $(BASE)/xtypes/xq.c $(BASE)/xtypes/xq.h
	ln -sf $< $@

xpool.k.c: $(BASE)/xtypes/xpool.c $(BASE)/xtypes/xpool.h
	ln -sf $< $@

xhash.k.c: $(BASE)/xtypes/xhash.c $(BASE)/xtypes/xhash.h
	ln -sf $< $@

xheap.k.c: $(BASE)/xtypes/xheap.c $(BASE)/xtypes/xheap.h
	ln -sf $< $@

xobj.k.c: $(BASE)/xtypes/xobj.c $(BASE)/xtypes/xobj.h
	ln -sf $< $@

xworkq.k.c: $(BASE)/xtypes/xworkq.c $(BASE)/xtypes/xworkq.h
	ln -sf $< $@

xwaitq.k.c: $(BASE)/xtypes/xwaitq.c $(BASE)/xtypes/xwaitq.h
	ln -sf $< $@

xbinheap.k.c: $(BASE)/xtypes/xbinheap.c $(BASE)/xtypes/xbinheap.h
	ln -sf $< $@

xseg.k.c: $(BASE)/xseg/xseg.c $(BASE)/xseg/xseg.h
	ln -sf $< $@

install:
	install -d $(DESTDIR)$(moduledir)
	install -o 0 -g 0 -m 644 -t $(DESTDIR)$(moduledir) xseg.ko
	install -o 0 -g 0 -m 644 -t $(DESTDIR)$(moduledir) segdev.ko

install-src:
	install -d $(DESTDIR)$(srcdir)$(SUBDIR)
	@for f in $(FILES); do \
		install -o 0 -g 0 -m 644 -t $(DESTDIR)$(srcdir)$(SUBDIR) $$f ; \
	done

clean:
	rm -f $(DEPENDENCIES)
	make -C /lib/modules/$(KVER)/build M=$(PWD) V=$(V) clean