+dnl ########################
+dnl
+dnl {check for libnl
+dnl
+
+ensc_have_libnl=yes
+
+if test x"$ensc_have_libnl" = xyes; then
+ AC_CHECK_HEADERS([netlink/netlink.h netlink/route/addr.h], [ : ],
+ [ ensc_have_libnl=no ])
+fi
+
+if test x"$ensc_have_libnl" = xyes; then
+ AC_CHECK_LIB(nl, rtnl_addr_alloc, [ : ],
+ [ ensc_have_libnl=no ])
+fi
+
+if test x"$ensc_have_libnl" != xyes; then
+ AC_MSG_WARN([
+****
+**** 'libnl' could not be found;
+**** this will disable the build of 'vip6-autod'
+****])
+fi
+
+AM_CONDITIONAL(ENSC_HAVE_LIBNL, test x"$ensc_have_libnl" = xyes)
+
+dnl
+dnl libnl stuff ends here}
+dnl
+dnl #######################
+
+
+dnl Check what distro this is, use Gentoo initscripts if appropriate
+AC_MSG_CHECKING([for host initscripts])
+AC_ARG_WITH(initscripts, AC_HELP_STRING([--with-initscripts=TYPE], [force host initscripts; valid values are 'gentoo' and 'sysv' (default: guess)]), [
+ case "$withval" in
+ gentoo) ensc_with_init=gentoo;;
+ sysv) ensc_with_init=sysv;;
+ *) AC_MSG_ERROR([invalid initscripts value, only gentoo and sysv are supported]);;
+ esac
+ ], [
+ if test -e /etc/gentoo-release; then
+ ensc_with_init=gentoo
+ else
+ ensc_with_init=sysv
+ fi
+ ])
+AC_MSG_RESULT([$ensc_with_init])
+AM_CONDITIONAL(HAVE_GENTOO_INIT, test x"$ensc_with_init" = xgentoo)
+AM_CONDITIONAL(HAVE_SYSV_INIT, test x"$ensc_with_init" = xsysv)
+