diff --git a/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/Manifest b/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/Manifest
index f607b2d82f..156951df6f 100644
--- a/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/Manifest
+++ b/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/Manifest
@@ -1 +1,2 @@
 DIST syslinux-4.07.tar.bz2 5761877 SHA256 1240a4e4219b518bdaef78931b6e901befeff35e6894ac6db785115848a7a05a SHA512 8efbd14803ec74c5ee699a754b4727e4b975c08afd4dbb39f4b7ccdb90743e4459cd4609c6f1065c7b7efaa26c9d465806254891795d363758f35a2fe5704ae5 WHIRLPOOL b68966ed87055a157812f36f2881b4a86797eacef1894b70c1a063327547264daa4b4ca1ea52ccb286ab86332c2163e57004d3503215497278e073b48583a9dc
+DIST syslinux-6.03-pre9.tar.xz 6820056 SHA256 adeda4dfbaf0e7604561d59d73f5f156d398f87411ca5f56f56fe15675f3e3b0 SHA512 9b3d14c496a5fe8fa446d1ce265e17508334b1cdae4443c6965861b6dcccb96099b9c97e492761af19732cb5dcabd0ad6642119a6defd0e18e072a0a752278d8 WHIRLPOOL 3a5a21927c3c00399c7ff8d64346c29706a0f0060c9ec05d38140529108b59bdb7ef1e83bd24afd9cbb80eb8b0d00185004c403e84e70fe7a8c0077e09d886b5
diff --git a/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/syslinux-6.03_pre9.ebuild b/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/syslinux-6.03_pre9.ebuild
new file mode 100644
index 0000000000..c9ccc48ef7
--- /dev/null
+++ b/sdk_container/src/third_party/coreos-overlay/sys-boot/syslinux/syslinux-6.03_pre9.ebuild
@@ -0,0 +1,84 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-boot/syslinux/syslinux-6.03_pre1.ebuild,v 1.2 2014/02/09 18:04:43 zerochaos Exp $
+
+EAPI=5
+
+inherit eutils toolchain-funcs
+
+DESCRIPTION="SYSLINUX, PXELINUX, ISOLINUX, EXTLINUX and MEMDISK bootloaders"
+HOMEPAGE="http://www.syslinux.org/"
+SRC_URI="mirror://kernel/linux/utils/boot/syslinux/Testing/${PV:0:4}/${P/_/-}.tar.xz"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="-* amd64 x86"
+IUSE="custom-cflags +perl"
+
+RDEPEND="sys-apps/util-linux
+		sys-fs/mtools
+		perl? (
+			dev-lang/perl
+			dev-perl/Crypt-PasswdMD5
+			dev-perl/Digest-SHA1
+		)"
+DEPEND="${RDEPEND}
+	dev-lang/nasm
+	virtual/os-headers"
+
+S=${WORKDIR}/${P/_/-}
+
+QA_PREBUILT="usr/share/${PN}/*.c32"
+
+src_prepare() {
+	# Don't prestrip or override user LDFLAGS, bug #305783
+	local SYSLINUX_MAKEFILES="extlinux/Makefile linux/Makefile mtools/Makefile \
+		sample/Makefile utils/Makefile"
+	sed -i ${SYSLINUX_MAKEFILES} -e '/^LDFLAGS/d' || die "sed failed"
+
+	if use custom-cflags; then
+		sed -i ${SYSLINUX_MAKEFILES} \
+			-e 's|-g -Os||g' \
+			-e 's|-Os||g' \
+			-e 's|CFLAGS[[:space:]]\+=|CFLAGS +=|g' \
+			|| die "sed custom-cflags failed"
+	else
+		QA_FLAGS_IGNORED="
+			/sbin/extlinux
+			/usr/bin/memdiskfind
+			/usr/bin/gethostip
+			/usr/bin/isohybrid
+			/usr/bin/syslinux
+			"
+	fi
+	case ${ARCH} in
+		amd64)	loaderarch="efi64" ;;
+		x86)	loaderarch="efi32" ;;
+		*)	ewarn "Unsupported architecture, building installers only." ;;
+	esac
+
+	# Don't build/install scripts if perl is disabled
+	if ! use perl; then
+		sed -i utils/Makefile \
+			-e 's/$(TARGETS)/$(C_TARGETS)/' \
+			-e 's/$(ASIS)//' \
+			|| die "sed remove perl failed"
+		rm man/{lss16toppm.1,ppmtolss16.1,syslinux2ansi.1} || die
+	fi
+}
+
+src_compile() {
+	# build system abuses the LDFLAGS variable to pass arguments to ld
+	unset LDFLAGS
+	if [[ ! -z ${loaderarch} ]]; then
+		emake CC=$(tc-getCC) LD=$(tc-getLD) ${loaderarch}
+	fi
+	emake CC=$(tc-getCC) LD=$(tc-getLD) ${loaderarch} installer
+}
+
+src_install() {
+	# parallel install fails sometimes
+	einfo "loaderarch=${loaderarch}"
+	emake -j1 LD=$(tc-getLD) INSTALLROOT="${D}" MANDIR=/usr/share/man bios ${loaderarch} install
+	dodoc README NEWS doc/*.txt
+}