2008-05-21  Kevin Cozens  <kcozens@cvs.gnome.org>

	Fix for problem when building on a Mac.

	* configure.ac: Added check for linux/videodev.h and set HAVE_V4L
	if available.

	* operations/external/Makefile.am: Only build the v4l operation if
	HAVE_V4L is set.

svn path=/trunk/; revision=2332