+# -----------------------------------------------------------
+# gudev
+# -----------------------------------------------------------
+AC_ARG_ENABLE(gudev,
+ AS_HELP_STRING([--enable-gudev=@<:@no/yes/auto@:>@],
+ [build with gudev support]), ,
+ enable_gudev=auto)
+
+if test "x$enable_gudev" != "xno"; then
+
+ PKG_CHECK_MODULES(UDEV, [gudev-1.0],
+ have_gudev="yes", have_gudev="no")
+
+ if test "x$have_gudev" = "xyes"; then
+ AC_DEFINE(HAVE_UDEV, 1, [Define if you have gudev])
+ fi
+else
+ have_gudev=no
+fi
+
+if test "x$enable_gudev" = "xyes" -a "x$have_gudev" != "xyes"; then
+ AC_MSG_ERROR([Could not find gudev dependencies.])
+fi
+AM_CONDITIONAL(HAVE_UDEV, test "x$have_gudev" = "xyes")
+