AC_CHECK_HEADERS([linux/videodev2.h sys/videoio.h], [
have_v4l2="yes"
])
+ AC_CHECK_DECLS([V4L2_CTRL_TYPE_BITMASK],,, [
+#ifdef HAVE_LINUX_VIDEODEV2_H
+# include <linux/videodev2.h>
+#endif
+#ifdef HAVE_SYS_VIDEOIO_H
+# include <sys/videoio.h>
+#endif
+ ])
])
AS_IF([test "$have_v4l2" = "yes"], [
AS_IF([test "${enable_pvr}" = "yes"], [