--if test ! -e "$ksourcedir/include/linux/netfilter/nfnetlink.h"
--then
-- AC_MSG_ERROR([Invalid kernel source directory $ksourcedir])
--fi
--
--if test ! -e "$kbuilddir/.config"
--then
-- AC_MSG_ERROR([The kernel build directory $kbuilddir is not configured])
--fi
--
--AC_PROG_GREP
--
--if test "X`$GREP 'NFNL_SUBSYS_IPSET' $ksourcedir/include/linux/netfilter/nfnetlink.h`" = "X"
--then
-- AC_MSG_ERROR([The kernel source directory $ksourcedir is not patched with netlink.patch to support ipset])
--fi
--
- dnl Maximal number of sets supported by the kernel, default 256
- AC_ARG_WITH([maxsets],
- AS_HELP_STRING([--with-maxsets=256],