games-board/stockfish: version bump to 13

Closes: https://bugs.gentoo.org/729236
Package-Manager: Portage-3.0.14, Repoman-3.0.2
Signed-off-by: Matthias Maier <[email protected]>

games-board/stockfish/Manifest

@@ -1,2 +1,4 @@
 DIST stockfish-10-src.zip 174377 BLAKE2B 58142b16f59f15773c8811d6e10588dbc680c94cd504d26f4ca285dbe632d845ede06571e501a4e2b77adbb9b00d91978236ff179a46a73dc9a03cfa1ae3490c SHA512 959c4f3c497ba3108884dabc38de824f11781ae57b4ab5fdf25daf9a7fc0326e663adb1c081b8c8d57a7bf5f2e941369502a50a0c93135a001c6bd1af360d0f8
 DIST stockfish-11.tar.gz 145868 BLAKE2B a4b7b523492cb37206f475cc6d7c512be2a626836e15e0cb0e98d43bf1737e569a6be5f2e87c7633c0802b44863130e7bfe47e49e99ec05015f150ff1baa9755 SHA512 3e6035d422d04a47c9fba61f3815f2be645c6c5cc8c57cc6b17f8f1f2a30651da9c51bafc19b17d4a843be1900b00c5b90e3d6fdd2c6ced45be7510feeb3559a
+DIST stockfish-13-nn-62ef826d1a6d.nnue 21022697 BLAKE2B 013396fec72e14dfb90ca308bdcbaf98f27b29feb03cb2c855f521dc33d0787de51812cb2a52e4aa94622120fc89a5f2302fd6296a4fb1db33e0de57156a41c3 SHA512 25a0a1b5c440fcfaa8ee122391fbb075e4b4e6bdacae816a2897bb346c0d5c459ae464fc7680414e87eadf2a5a00565d4f3ac2c559fea4bdddd1e4a38874fba7
+DIST stockfish-13.tar.gz 181226 BLAKE2B ab6f2afccce2b4767c69d07c18aa611cb71388aae9b27e8a6c95b61db4a27c18b0e7a21aa30e10b4b56d018c1a4146dcea4896c4d68d7a9f297fa0758739ce9c SHA512 5ee6581b8324ed32f02ed0f1ea5df311635203e5f1806d00f9819ad076ef4082481f8ecebbb531154cbb120bb2b396c738c3ef2e2e6ee0fd6a5bd6ff88192706

games-board/stockfish/stockfish-13.ebuild

@@ -0,0 +1,74 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+inherit toolchain-funcs
+
+DESCRIPTION="Free UCI chess engine, claimed to be the strongest in the world"
+HOMEPAGE="https://stockfishchess.org/"
+
+NNUE_FILE="nn-62ef826d1a6d.nnue"
+
+SRC_URI="https://github.com/official-stockfish/Stockfish/archive/sf_${PV}.tar.gz -> ${P}.tar.gz
+	https://tests.stockfishchess.org/api/nn/${NNUE_FILE} -> ${P}-${NNUE_FILE}"
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="cpu_flags_arm_v7 cpu_flags_x86_avx2 cpu_flags_x86_popcnt cpu_flags_x86_sse debug
+	general-32 general-64 +optimize"
+
+DEPEND="|| ( app-arch/unzip app-arch/zip )"
+RDEPEND=""
+
+S="${WORKDIR}/Stockfish-sf_${PV}/src"
+
+src_prepare() {
+	default
+
+	cp "${DISTDIR}"/${P}-${NNUE_FILE} ${NNUE_FILE} || die "copying the nnue file failed"
+
+	# prevent pre-stripping
+	sed -e 's:-strip $(BINDIR)/$(EXE)::' -i Makefile \
+		|| die 'failed to disable stripping in the Makefile'
+}
+
+src_compile() {
+	local my_arch
+
+	# generic unoptimized first
+	use general-32 && my_arch=general-32
+	use general-64 && my_arch=general-64
+
+	# x86
+	use x86 && my_arch=x86-32-old
+	use cpu_flags_x86_sse && my_arch=x86-32
+
+	# amd64
+	use amd64 && my_arch=x86-64
+	use cpu_flags_x86_popcnt && my_arch=x86-64-modern
+
+	# both bmi2 and avx2 are part of hni (haswell new instructions)
+	use cpu_flags_x86_avx2 && my_arch=x86-64-bmi2
+
+	# other architectures
+	use cpu_flags_arm_v7 && my_arch=armv7
+	use ppc && my_arch=ppc
+	use ppc64 && my_arch=ppc64
+
+	# Skip the "build" target and use "all" instead to avoid the config
+	# sanity check (which would throw a fit about our compiler). There's
+	# a nice hack in the Makefile that overrides the value of CXX with
+	# COMPILER to support Travis CI and we abuse it to make sure that we
+	# build with our compiler of choice.
+	emake all ARCH="${my_arch}" \
+		COMP=$(tc-getCXX) \
+		COMPILER=$(tc-getCXX) \
+		debug=$(usex debug "yes" "no") \
+		optimize=$(usex optimize "yes" "no")
+}
+
+src_install() {
+	dobin "${PN}"
+	dodoc ../AUTHORS ../README.md
+}