From 7430d964dbb3943640bdb144bf5f0c5b376f3ef1 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Fri, 3 Jul 2009 13:51:01 -0700
Subject: [PATCH] Check for udev monitor filter functions

---
 configure.ac |  4 ++++
 src/udev.c   | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/configure.ac b/configure.ac
index f65f828..7223efa 100644
--- a/configure.ac
+++ b/configure.ac
@@ -201,6 +201,10 @@ if (test "${enable_udev}" = "yes"); then
 	AC_DEFINE(HAVE_UDEV, 1, [Define if udev support is available])
 	PKG_CHECK_MODULES(UDEV, libudev >= 141, dummy=yes,
 				AC_MSG_ERROR(udev >= 141 is required))
+	AC_CHECK_LIB(udev, udev_monitor_filter_update, dummy=yes,
+		AC_DEFINE(NEED_UDEV_MONITOR_FILTER, 1,
+			[Define to 1 if you need the
+				udev_monitor_filter...() functions.]))
 	UDEV_DATADIR="`$PKG_CONFIG --variable=rulesdir libudev`"
 	if (test -z "${UDEV_DATADIR}"); then
 		UDEV_DATADIR="${sysconfdir}/udev/rules.d"
diff --git a/src/udev.c b/src/udev.c
index ccddc9b..31fbace 100644
--- a/src/udev.c
+++ b/src/udev.c
@@ -33,6 +33,21 @@
 
 #include "connman.h"
 
+#ifdef NEED_UDEV_FILTER_MONITOR
+static int udev_monitor_filter_add_match_subsystem_devtype(struct udev_monitor *udev_monitor, const char *subsystem, const char *devtype);
+{
+	return -EINVAL;
+}
+int udev_monitor_filter_update(struct udev_monitor *udev_monitor)
+{
+	return -EINVAL;
+}
+int udev_monitor_filter_remove(struct udev_monitor *udev_monitor)
+{
+	return -EINVAL;
+}
+#endif
+
 static GSList *device_list = NULL;
 
 static struct connman_device *find_device(const char *interface)
-- 
2.7.4