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%global nnuehash ad9b42354671

Name: stockfish
Version: 15.1
Release: alt1.1
Group: Games/Boards

Summary: Powerful open source chess engine
# CC0 is for the NNUE network file (see https://tests.stockfishchess.org/nns)
License: GPLv3+ and CC0
Url: http://stockfishchess.org
Packager: Leonid Znamenok <respublica at altlinux.org>

# Main source
# https://github.com/official-%name/Stockfish/archive/sf_%version.tar.gz
Source0: %name-%version.tar

# the NN file
Source1: https://tests.stockfishchess.org/api/nn/nn-%nnuehash.nnue

# steal some documentation
Source10: https://raw.githubusercontent.com/frankkopp/FrankyUCIChessEngine/master/engine-interface.txt
# polyglot support
Source20: https://raw.githubusercontent.com/spinkham/stockfish/master/polyglot.ini

# Patch removes check for the existence of curl or wget in the makefile
Patch0: wget-fix_15.1.patch

BuildRequires: gcc-c++
BuildRequires: make

%description
Stockfish is a free UCI chess engine derived from Glaurung 2.1. It is not a
complete chess program, but requires some UCI compatible GUI (like XBoard with
PolyGlot, eboard, Arena, Sigma Chess, Shredder, Chess Partner or Fritz) in
order to be used comfortably. Read the documentation for your GUI of choice for
information about how to use Stockfish with your GUI.

%prep
# verify the NNUE net checksum early to catch maintainer error
test %nnuehash = "$(sha256sum %SOURCE1 | cut -c1-12)"

%setup

%patch0 -p1
%ifarch %e2k
# SSSE3 is available on e2k, but assembly is different
sed -i '/#define USE_INLINE_ASM/d' src/nnue/layers/simd.h
%endif

cp %SOURCE10 ./
cp %SOURCE1 ./src/

# W: wrong-file-end-of-line-encoding
sed -i 's,\r$,,' engine-interface.txt

# polyglot of installed binary and disable log
sed -e 's,\(EngineDir = \).*,\1%_bindir,' \
-e 's,\(EngineCommand = \).*,\1%name,' \
-e 's,\(LogFile = \).*,\1~/,' -e 's,\(LogFile = \).*,\1false,' \
%SOURCE20 >polyglot.ini

%build
# default to general-64, which also works for s390x
%global sfarch general-64

%ifarch x86_64
%global sfarch x86-64
%endif

%ifarch %ix86
%global sfarch x86-32
%endif

%ifarch ppc64le
%global sfarch ppc-64
%endif

%ifarch aarch64
%global sfarch armv8
%endif

%ifarch armh
%global sfarch armv7
%endif

%ifarch %e2k
%global sfarch e2k
%endif

%make_build -C src build ARCH=%sfarch

%install
mkdir -p %buildroot%_bindir
install -m 755 -p src/%name %buildroot%_bindir
mkdir -p %buildroot%_sysconfdir/%name
cp -p polyglot.ini %buildroot%_sysconfdir/%name

%check
# run bench as a sanity check
./src/%name bench

%files
%doc Copying.txt AUTHORS engine-interface.txt README.md
%_bindir/%name
%dir %_sysconfdir/%name
%config(noreplace) %_sysconfdir/%name/polyglot.ini

%changelog
…
Полный changelog можно просмотреть здесь