nixpkgs/pkgs/games/stockfish/default.nix
2020-09-23 16:31:56 -04:00

49 lines
1.3 KiB
Nix

{ stdenv, fetchurl }:
let arch = if stdenv.isx86_64 then "x86-64" else
if stdenv.isi686 then "x86-32" else
"unknown";
version = "12";
nnueFile = "nn-82215d0fd0df.nnue";
nnue = fetchurl {
name = nnueFile;
url = "https://tests.stockfishchess.org/api/nn/${nnueFile}";
sha256 = "1r4yqrh4di05syyhl84hqcz84djpbd605b27zhbxwg6zs07ms8c2";
};
in
stdenv.mkDerivation {
pname = "stockfish";
inherit version;
src = fetchurl {
url = "https://github.com/official-stockfish/Stockfish/archive/sf_${version}.tar.gz";
sha256 = "16980aicm5i6i9252239q4f9bcxg1gnqkv6nphrmpz4drg8i3v6i";
};
postUnpack = ''
sourceRoot+=/src
echo ${nnue}
cp "${nnue}" "$sourceRoot/${nnueFile}"
'';
makeFlags = [ "PREFIX=$(out)" "ARCH=${arch}" ];
buildFlags = [ "build" ];
enableParallelBuilding = true;
meta = with stdenv.lib; {
homepage = "https://stockfishchess.org/";
description = "Strong open source chess engine";
longDescription = ''
Stockfish is one of the strongest chess engines in the world. It is also
much stronger than the best human chess grandmasters.
'';
maintainers = with maintainers; [ luispedro peti ];
platforms = ["x86_64-linux" "i686-linux"];
license = licenses.gpl2;
};
}