games-board/stockfish: add 17.1

Signed-off-by: Patrick Lauer <patrick@gentoo.org>

games-board/stockfish/Manifest

@@ -1,3 +1,6 @@
 DIST stockfish-17-nn-1111cefa1111.nnue 74874478 BLAKE2B b2179b5727b13984be82f88715a55df7a84959944c92bd5758b492f6f8bd8f241696b491339ce64a0aaa059e3591115ff04d2382f7371075df5aea729cfa2dec SHA512 0814a77442d14f9eee02b1d45195cc8c9ed58e91d10ac22be56f562835baedc77094b442d23f2e088779e58d798184eabc8dfc919558e1ede552cde35d448025
 DIST stockfish-17-nn-37f18f62d772.nnue 3519630 BLAKE2B fe51553da8c051e66ecbc5e167f4a8b6c5701f80a9174e487b6a40962753c8a9ac96af2ff47df707b5044f83ef4baeac74b3154fd908dbe9728b40f020b8a7e6 SHA512 bf4d01f8cbff94dbff484636dd0351cd66f37eeaea7b7dbe16a3bfe231ae78cfabdeed040b789b64049c6063ef0dca21e4a4f332b99e49a52993e8595e372839
+DIST stockfish-17.1-nn-1c0000000000.nnue 74874478 BLAKE2B c6304fe4a835ceb53989618cb5f9a4592d90c6085d15b44d65ad851430c94e4dc89b0ee3f38e362f2aaa77a89c7b052fc9290f285e53cac38c8ffdb8f542d80c SHA512 8f0aca52f6ce9b229eea6ab97c72ad74207d7c74cca8b35fb94ca349773bbe66d729b0d4bf7475a22cce2b5ebec0b605dd7625b98c2b6d0ce24227fddb969d7c
+DIST stockfish-17.1-nn-37f18f62d772.nnue 3519630 BLAKE2B fe51553da8c051e66ecbc5e167f4a8b6c5701f80a9174e487b6a40962753c8a9ac96af2ff47df707b5044f83ef4baeac74b3154fd908dbe9728b40f020b8a7e6 SHA512 bf4d01f8cbff94dbff484636dd0351cd66f37eeaea7b7dbe16a3bfe231ae78cfabdeed040b789b64049c6063ef0dca21e4a4f332b99e49a52993e8595e372839
+DIST stockfish-17.1.tar.gz 222553 BLAKE2B 3f358c08af7004121a6b6a3adae5f64f1ee4210d583caa794b5cebb0d3298ef70d8c98ba4aab333f534b668ab9854733cd6e8a9e816f5e34d91cc9bf774300a6 SHA512 530172eec1cbfd44e1a4f424663082050f9caf210a706eba1af133b22318ae49a2c5a2c37e72da7c509888904774da87e2a323e2b335f834b000c3494881e635
 DIST stockfish-17.tar.gz 204647 BLAKE2B 1b8bc3cb18df67fb8d8c0a02284c47d06862ca33aacd894816be92f3c11976f5eb3a767adce92a27bcbc35abec3db04e3600fe046060fe61247850fe263d9aea SHA512 2736c7e78a30670704b4400e20a4a5bb5b07b2e3a14d19149eccea9ba45cda5b9b42034b1ae40ef1f49c87fc1b0bc1750e998ff732da8c5fe45dd8bdbf90f9cc

games-board/stockfish/stockfish-17.1.ebuild

@@ -0,0 +1,95 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit toolchain-funcs
+
+NNUE_FILES="nn-1c0000000000.nnue nn-37f18f62d772.nnue"
+DESCRIPTION="Free UCI chess engine, claimed to be the strongest in the world"
+HOMEPAGE="https://stockfishchess.org/"
+SRC_URI="https://github.com/official-stockfish/Stockfish/archive/sf_${PV}.tar.gz -> ${P}.tar.gz"
+for i in ${NNUE_FILES}; do
+	SRC_URI+=" https://tests.stockfishchess.org/api/nn/${i} -> ${P}-${i}"
+done
+S="${WORKDIR}/Stockfish-sf_${PV}/src"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="amd64 ~arm64 ~loong ~riscv x86"
+IUSE="cpu_flags_arm_v7 cpu_flags_x86_avx2 cpu_flags_x86_popcnt cpu_flags_x86_sse cpu_flags_x86_avx512f"
+IUSE+=" cpu_flags_x86_avx512dq debug general-32 general-64 +optimize"
+
+BDEPEND="|| ( app-arch/unzip app-arch/zip )"
+
+pkg_setup() {
+	if ! tc-is-clang && ! tc-is-gcc; then
+		die "Unsupported compiler: $(tc-getCC)"
+	fi
+}
+
+src_prepare() {
+	default
+
+	# remove config sanity check that doesn't like our COMPILER settings
+	sed -i -e 's/ config-sanity//g' Makefile || die
+
+	for i in $NNUE_FILES; do
+		cp "${DISTDIR}"/${P}-${i} ${i} || die "copying the nnue file failed"
+	done
+
+	# prevent pre-stripping
+	sed -e 's:-strip $(BINDIR)/$(EXE)::' -i Makefile \
+		|| die 'failed to disable stripping in the Makefile'
+
+	# Makefile is a bit optimistic
+	sed -e 's:-flto=full:-flto:g' -i Makefile || die
+}
+
+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
+
+	# avx512
+	# we currently can't express  'avx512vnni' 'avx512dq' 'avx512f' 'avx512bw' 'avx512vl'
+	# so only enable basic support
+	use cpu_flags_x86_avx512f && use cpu_flags_x86_avx512dq && my_arch=x86-64-avx512
+
+	# other architectures
+	use cpu_flags_arm_v7 && my_arch=armv7
+	use ppc && my_arch=ppc
+	use ppc64 && my_arch=ppc64
+
+	# Bug 919781: COMP is a fixed string like clang/gcc to set tools for PGO
+	local comp
+	tc-is-gcc && comp="gcc"
+	tc-is-clang && comp="clang"
+
+	# 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 profile-build ARCH="${my_arch}" \
+		COMP="${comp}" \
+		COMPILER="$(tc-getCXX)" \
+		debug=$(usex debug "yes" "no") \
+		optimize=$(usex optimize "yes" "no")
+}
+
+src_install() {
+	dobin "${PN}"
+	dodoc ../AUTHORS ../README.md
+}