Makefile.in

# Edit Makefile.in and run ./configure

KVERSION = @KVERSION@
KDIR = @KDIR@
KINSTDIR = $(shell dirname @KDIR@)
KOPTS = @KOPTS@
IPTABLES_CFLAGS = @IPTABLES_CFLAGS@
IPTABLES_MODULES = @IPTABLES_MODULES@
DEPMOD = depmod -a
CARGS = @CARGS@

# https://www.kernel.org/doc/Documentation/kbuild/modules.txt
# https://www.kernel.org/doc/Documentation/kbuild/makefiles.txt
obj-m = ipt_NETFLOW.o
ccflags-y = @KOPTS@

all: ipt_NETFLOW.ko libipt_NETFLOW.so libip6t_NETFLOW.so
ipt_NETFLOW.ko: version.h ipt_NETFLOW.c ipt_NETFLOW.h Makefile
	@echo Compiling for kernel $(KVERSION)
	make -C $(KDIR) M=$(CURDIR) modules
	@touch $@
sparse: | version.h ipt_NETFLOW.c ipt_NETFLOW.h Makefile
	@rm -f ipt_NETFLOW.ko ipt_NETFLOW.o
	@echo Compiling for kernel $(KVERSION)
	make -C $(KDIR) M=$(CURDIR) modules C=1
	@touch ipt_NETFLOW.ko
minstall: | ipt_NETFLOW.ko
	make -C $(KDIR) M=$(CURDIR) modules_install INSTALL_MOD_PATH=$(DESTDIR)
	$(DEPMOD)
mclean:
	make -C $(KDIR) M=$(CURDIR) clean
lclean:
	-rm -f *.so *_sh.o
clean: mclean lclean
	-rm -f *.so *.o modules.order version.h

%_sh.o: libipt_NETFLOW.c
	gcc -O2 -Wall -Wunused $(IPTABLES_CFLAGS) -fPIC -o $@ -c libipt_NETFLOW.c

%.so: %_sh.o
	gcc -shared -o $@ $<

version.h: ipt_NETFLOW.c ipt_NETFLOW.h Makefile
	@if [ -d .git ] && type git >/dev/null 2>&1; then \
		 echo "#define GITVERSION \"`git describe --dirty`\""; \
	fi > version.h

linstall: | libipt_NETFLOW.so libip6t_NETFLOW.so
	install -D libipt_NETFLOW.so $(DESTDIR)$(IPTABLES_MODULES)/libipt_NETFLOW.so
	install -D libip6t_NETFLOW.so $(DESTDIR)$(IPTABLES_MODULES)/libip6t_NETFLOW.so

install: minstall linstall

uninstall:
	-rm -f $(DESTDIR)$(IPTABLES_MODULES)/libipt_NETFLOW.so
	-rm -f $(DESTDIR)$(IPTABLES_MODULES)/libip6t_NETFLOW.so
	-rm -f $(DESTDIR)$(KINSTDIR)/extra/ipt_NETFLOW.ko

Makefile: Makefile.in configure
	./configure --make ${CARGS}

load: all
	-insmod ipt_NETFLOW.ko active_timeout=5 protocol=9
	-iptables -I OUTPUT -j NETFLOW
	-iptables -I INPUT -j NETFLOW
	-ip6tables -I OUTPUT -j NETFLOW
	-ip6tables -I INPUT -j NETFLOW

unload:
	-iptables -D OUTPUT -j NETFLOW
	-iptables -D INPUT -j NETFLOW
	-ip6tables -D OUTPUT -j NETFLOW
	-ip6tables -D INPUT -j NETFLOW
	-rmmod ipt_NETFLOW.ko

reload: unload load