From 93362c849d4a3ba1748d033369f76e93557f1c06 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
Date: Thu, 22 Nov 2012 15:02:21 +0100
Subject: [PATCH] Support disabling V4L support completely.

---
 mediastreamer-2.8.2/configure.ac | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/mediastreamer-2.8.2/configure.ac b/mediastreamer-2.8.2/configure.ac
index d5be955..86703a0 100644
--- a/mediastreamer-2.8.2/configure.ac
+++ b/mediastreamer-2.8.2/configure.ac
@@ -624,6 +624,16 @@ PACKAGE_DATA_DIR="$prefix/share"
 AC_DEFINE_UNQUOTED(PACKAGE_DATA_DIR,  "${package_prefix}/share" ,[path of data])
 AC_SUBST(PACKAGE_DATA_DIR)
 
+AC_ARG_ENABLE(v4l,
+      [  --disable-v4l       Disable usage of v4l],
+      [case "${enableval}" in
+        yes) v4l=yes ;;
+        no)  v4l=no ;;
+        *) AC_MSG_ERROR(bad value ${enableval} for --disable-v4l) ;;
+      esac],[v4l=yes])
+
+if test "$v4l" = "yes" ; then
+
 dnl check for video4linux headers
 AC_CHECK_HEADERS(linux/videodev.h linux/videodev2.h)
 if test "${ac_cv_header_linux_videodev_h}" = "yes" ; then
@@ -637,9 +647,6 @@ else
 	found_v4l2=no
 fi
 
-AM_CONDITIONAL(BUILD_V4L1, test x$found_v4l1 = xyes )
-AM_CONDITIONAL(BUILD_V4L2, test x$found_v4l2 = xyes )
-
 AC_ARG_ENABLE(libv4l1,
       [  --disable-libv4l1    Disable usage of libv4l1, really discouraged],
       [case "${enableval}" in
@@ -680,6 +687,10 @@ this check.
 	fi
 fi
 
+fi
+
+AM_CONDITIONAL(BUILD_V4L1, test x$found_v4l1 = xyes )
+AM_CONDITIONAL(BUILD_V4L2, test x$found_v4l2 = xyes )
 
 AC_ARG_ENABLE(tests,
       [  --enable-tests    Disable compilation of tests],
-- 
1.8.0