62 lines
2 KiB
Nix
62 lines
2 KiB
Nix
{ lib, stdenv, fetchurl, fetchFromGitHub }:
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let
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# The x86-64-modern may need to be refined further in the future
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# but stdenv.hostPlatform CPU flags do not currently work on Darwin
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# https://discourse.nixos.org/t/darwin-system-and-stdenv-hostplatform-features/9745
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archDarwin = if stdenv.isx86_64 then "x86-64-modern" else "x86-64";
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arch = if stdenv.isDarwin then archDarwin else
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if stdenv.isx86_64 then "x86-64" else
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if stdenv.isi686 then "x86-32" else
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if stdenv.isAarch64 then "armv8" else
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"unknown";
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nnueFile = "nn-3475407dc199.nnue";
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nnue = fetchurl {
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name = nnueFile;
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url = "https://tests.stockfishchess.org/api/nn/${nnueFile}";
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sha256 = "sha256-NHVAfcGZc+pERnZ4Y0zOAj1iDkGXcMERzIk3/maJ7Ic=";
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};
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in
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stdenv.mkDerivation rec {
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pname = "stockfish";
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version = "14";
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src = fetchFromGitHub {
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owner = "official-stockfish";
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repo = "Stockfish";
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rev = "sf_${version}";
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sha256 = "sha256-fX0Tr1yqjmNRSxmisFRKUY1E5//qF3zAfJ8innAeyxA=";
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};
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# This addresses a linker issue with Darwin
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# https://github.com/NixOS/nixpkgs/issues/19098
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preBuild = lib.optionalString stdenv.isDarwin ''
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sed -i.orig '/^\#\#\# 3.*Link Time Optimization/,/^\#\#\# 3/d' Makefile
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'';
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postUnpack = ''
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sourceRoot+=/src
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echo ${nnue}
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cp "${nnue}" "$sourceRoot/${nnueFile}"
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'';
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makeFlags = [ "PREFIX=$(out)" "ARCH=${arch}" "CXX=${stdenv.cc.targetPrefix}c++" ];
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buildFlags = [ "build" ];
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enableParallelBuilding = true;
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meta = with lib; {
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homepage = "https://stockfishchess.org/";
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description = "Strong open source chess engine";
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longDescription = ''
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Stockfish is one of the strongest chess engines in the world. It is also
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much stronger than the best human chess grandmasters.
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'';
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maintainers = with maintainers; [ luispedro siraben ];
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platforms = ["x86_64-linux" "i686-linux" "x86_64-darwin" "aarch64-linux"];
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license = licenses.gpl2;
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};
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}
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