+AC_ARG_WITH([udevrulesdir],
+ AS_HELP_STRING([--with-udevrulesdir=DIR], [Directory for udev rules files]),
+ [],
+ [with_udevrulesdir=$($PKG_CONFIG --variable=udevdir udev)/rules.d])
+AC_SUBST([udevrulesdir], [$with_udevrulesdir])
+AC_SUBST([udevbindir], [$($PKG_CONFIG --variable=udevdir udev)/../bin])
+