From 946c20a8ba9d5266b45378c38f2882352c65b79d Mon Sep 17 00:00:00 2001
From: Filippo Argiolas <filippo.argiolas@gmail.com>
Date: Fri, 3 Jul 2009 08:38:43 +0200
Subject: v4l2src: optional support for device probing with gudev

Enumerate v4l2 devices using gudev if available.

Fixes bug #583640.
---
 configure.ac | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index fb9bbf89..c43d7707 100644
--- a/configure.ac
+++ b/configure.ac
@@ -508,6 +508,29 @@ return 0;
   fi
 ])
 
+# Optional gudev for device probing
+AC_ARG_WITH([gudev],
+  AC_HELP_STRING([--with-gudev],
+    [device detection with gudev]),
+  [],
+  [with_gudev=check])
+if test x$HAVE_GST_V4L2 = xyes; then
+  if test x$with_gudev != xno; then
+      PKG_CHECK_MODULES(GUDEV, [ gudev-1.0 >= 143 ],
+          [ have_gudev=yes
+            AC_DEFINE(HAVE_GUDEV, 1,
+               [Whether gudev is available for device detection])
+            AC_DEFINE([G_UDEV_API_IS_SUBJECT_TO_CHANGE], 1, [I know the API is subject to change.])
+          ], [
+          have_gudev=no
+          ])
+  else
+    have_gudev=no
+  fi
+fi
+AC_SUBST(GUDEV_CFLAGS)
+AC_SUBST(GUDEV_LIBS)
+
 # Make libv4l2 non-automagic
 AC_ARG_WITH([libv4l2],
   AC_HELP_STRING([--with-libv4l2],
-- 
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