export builddir = @abs_builddir@
export srcdir = @abs_srcdir@
export top_srcdir = @abs_top_srcdir@
export KSRC = @KSRC26@
export KVERSION = 2.6
export VMDIR = @VMDIR@
export VERSION = @VERSION@

CFLAGS_EXTRA += -DVERSION=\"$(VERSION)\"
CFLAGS_EXTRA += -I $(srcdir)/.. -I $(srcdir)/datapath/  -I $(top_srcdir)/include

# Files shared between 2.4 and 2.6 builds

SHAREDFILES = ../chain.c ../crc32.c ../table-hash.c ../table-linear.c	\
			../table-mac.c ../forward.c ../flow.c ../unit-exports.c \
			../datapath_t.c ../dp_dev.c \
			compat-2.6/genetlink.c \
			compat-2.6/random32.c 

HFILES = ../datapath.h ../chain.h ../crc32.h ../flow.h ../forward.h	\
			../table.h ../datapath_t.h \
			compat-2.6/include/compat26.h \
			compat-2.6/include/linux/ip.h \
			compat-2.6/include/linux/ipv6.h \
			compat-2.6/include/linux/lockdep.h \
			compat-2.6/include/linux/mutex.h \
			compat-2.6/include/linux/netlink.h \
			compat-2.6/include/linux/random.h \
			compat-2.6/include/linux/skbuff.h \
			compat-2.6/include/linux/tcp.h \
			compat-2.6/include/linux/timer.h \
			compat-2.6/include/linux/types.h \
			compat-2.6/include/linux/udp.h \
			compat-2.6/include/net/checksum.h \
			compat-2.6/include/net/genetlink.h 

SIMLINKFILES = $(patsubst ../%,%, $(SHAREDFILES))

CFILES = datapath.c $(SIMLINKFILES)

# Testing files used for both 2.6 and 2.4 kernels.  Are symlinked
# locally
SHARED_T_FILES = ../table_t.c ../crc_t.c ../forward_t.c ../unit.c

UNIT_CFILES = $(patsubst ../%,%, $(SHARED_T_FILES))

# General rule to create symlinks of shared files 
%.c : ../%.c 
	ln -s $< $@

# Conditional include so that make dist doesn't puke when
# this build isn't turned on by automake
ifneq (,$(KSRC))
include $(srcdir)/kbuild.inc
else
clean:
endif

distclean : clean
distdir : clean
install :

all: default

check: all