Add the libv4l Portage package

The CL adds media-libs/libv4l version 0.8.5. It will be used by
OpenCV to capture images from webcam in factory tests.

BUG=chrome-os-partner:6497
TEST='emerge-x86-alex libv4l' works
TEST='emerge-x86-zgb libv4l' works
TEST='emerge-amd64-generic libv4l' works
TEST='emerge-tegra2_kaen libv4l' works

Change-Id: Icf97c0cc9fde1c3310f9214e9c633e3bc98e7811
Reviewed-on: https://gerrit.chromium.org/gerrit/14146
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Ready: Tai-Hsu Lin <sheckylin@chromium.org>
Tested-by: Tai-Hsu Lin <sheckylin@chromium.org>

sdk_container/src/third_party/portage-stable/media-libs/libv4l/libv4l-0.8.5.ebuild

@@ -0,0 +1,39 @@
+# Copyright 1999-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/media-libs/libv4l/libv4l-0.8.5.ebuild,v 1.7 2011/12/30 13:14:33 ssuominen Exp $
+
+EAPI=4
+inherit linux-info multilib toolchain-funcs
+
+MY_P=v4l-utils-${PV}
+
+DESCRIPTION="Separate libraries ebuild from upstream v4l-utils package"
+HOMEPAGE="http://git.linuxtv.org/v4l-utils.git"
+SRC_URI="http://linuxtv.org/downloads/v4l-utils/${MY_P}.tar.bz2"
+
+LICENSE="LGPL-2.1"
+SLOT="0"
+KEYWORDS="alpha amd64 arm hppa ia64 ppc ppc64 sparc x86 ~amd64-linux ~x86-linux"
+IUSE=""
+
+RDEPEND="virtual/jpeg"
+DEPEND="${RDEPEND}
+	>=sys-kernel/linux-headers-2.6.30-r1"
+
+S=${WORKDIR}/${MY_P}
+
+CONFIG_CHECK="~SHMEM"
+
+src_compile() {
+	tc-export CC
+	pushd lib
+	emake PREFIX="${EPREFIX}/usr" LIBDIR="${EPREFIX}/usr/$(get_libdir)" CFLAGS="${CFLAGS}"
+	popd
+}
+
+src_install() {
+	pushd lib
+	emake DESTDIR="${D}" PREFIX="${EPREFIX}/usr" LIBDIR="${EPREFIX}/usr/$(get_libdir)" install
+	popd
+	dodoc ChangeLog README.lib* TODO
+}