AM_CONDITIONAL([HAVE_UDEV], [test "x$HAVE_UDEV" = x1])
AS_IF([test "x$HAVE_UDEV" = "x1"], AC_DEFINE([HAVE_UDEV], 1, [Have UDEV.]))
AM_CONDITIONAL([HAVE_UDEV], [test "x$HAVE_UDEV" = x1])
AS_IF([test "x$HAVE_UDEV" = "x1"], AC_DEFINE([HAVE_UDEV], 1, [Have UDEV.]))