#!/bin/sh -e

include ()
{
    # If we keep a copy of the kernel header in the SVN tree, we'll have
    # to worry about synchronization issues forever. Instead, we just copy 
    # the headers that we need from the lastest kernel version at autogen
    # stage.

    INCLUDEDIR=${KERNEL_DIR:-/lib/modules/`uname -r`/build}/include/linux

    if [ -f $INCLUDEDIR/netfilter/nfnetlink.h ]
    then
    	TARGET=include/libnfnetlink/linux_nfnetlink.h
    	echo "Copying nfnetlink.h to linux_nfnetlink.h"
    	cp $INCLUDEDIR/netfilter/nfnetlink.h $TARGET
	TMP=`mktemp`
	sed 's/__be16/u_int16_t/g' $TARGET > $TMP
	cp $TMP $TARGET
	sed 's/#include <linux\/netfilter\/nfnetlink_compat\.h>/#include <libnfnetlink\/linux_nfnetlink_compat\.h>/g' $TARGET > $TMP
	cp $TMP $TARGET
    else
    	echo "can't find nfnetlink.h kernel file in $INCLUDEDIR"
    	exit 1
    fi

    if [ -f $INCLUDEDIR/netfilter/nfnetlink_compat.h ]
    then
    	TARGET=include/libnfnetlink/linux_nfnetlink_compat.h
    	echo "Copying nfnetlink_compat.h to linux_nfnetlink_compat.h"
	cp $INCLUDEDIR/netfilter/nfnetlink_compat.h $TARGET
    else
    	echo "can't find nfnetlink.h kernel file in $INCLUDEDIR, ignoring"
    fi
}

[ "x$1" = "xdistrib" ] && include
autoreconf -fi
rm -Rf autom4te.cache