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diff --git a/games-board/stockfish/stockfish-5.ebuild b/games-board/stockfish/stockfish-5.ebuild
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+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: $
+
+EAPI=5
+inherit games toolchain-funcs
+
+DESCRIPTION="UCI chess engine http://www.stockfishchess.com/"
+HOMEPAGE="http://www.stockfishchess.com/"
+SRC_URI="http://stockfish.s3.amazonaws.com/stockfish-${PV}-linux.zip"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="debug optimization"
+
+case $(tc-arch) in
+	"x86"   ) IUSE+=" sse"    ;;
+	"amd64" ) IUSE+=" popcnt" ;;
+esac
+
+DEPEND="optimization? ( sys-devel/gcc[lto] )"
+
+S="${WORKDIR}/${PN}-${PV}-linux/src"
+
+pkg_setup() {
+	games_pkg_setup
+}
+
+src_compile() {
+	local makeopts="ARCH="
+
+	case $(tc-arch) in
+		"x86"   )
+			makeopts+="x86-32"
+			! use sse && makeopts+="-old"
+			;;
+		"amd64" )
+			makeopts+="x86-64"
+			use popcnt && makeopts+="-modern"
+			;;
+	esac
+
+	use debug && makeopts+=" debug=yes"
+	! use optimization && makeopts+=" optimize=no"
+
+	emake build ${makeopts} || die "emake failed"
+}
+
+src_install() {
+	dogamesbin stockfish || die "dogamesbin failed"
+	dodoc ../Copying.txt ../Readme.md || die "dodoc failed"
+	prepgamesdirs
+}
+
+pkg_postinst() {
+	games_pkg_postinst
+	elog
+	elog "Note: The opening book hasn't been installed. If you want it, just"
+	elog "      download it from ${HOMEPAGE}."
+	elog "      In most cases you take now your xboard compatible application,"
+	elog "      (xboard, eboard, knights) and just play chess against computer"
+	elog "      opponent. Have fun."
+	elog
+}