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nixpkgs/pkgs/development/libraries/science/math/zn_poly/default.nix
2022-04-21 10:13:10 -05:00

65 lines
1.6 KiB
Nix

{ stdenv
, lib
, fetchFromGitLab
, fetchpatch
, gmp
, python3
, tune ? false # tune to hardware, impure
}:
stdenv.mkDerivation rec {
version = "0.9.2";
pname = "zn_poly";
# sage has picked up the maintenance (bug fixes and building, not development)
# from the original, now unmaintained project which can be found at
# http://web.maths.unsw.edu.au/~davidharvey/code/zn_poly/
src = fetchFromGitLab {
owner = "sagemath";
repo = "zn_poly";
rev = version;
hash = "sha256-QBItcrrpOGj22/ShTDdfZjm63bGW2xY4c71R1q8abPE=";
};
buildInputs = [
gmp
];
nativeBuildInputs = [
python3 # needed by ./configure to create the makefile
];
# name of library file ("libzn_poly.so")
libbasename = "libzn_poly";
libext = stdenv.targetPlatform.extensions.sharedLibrary;
makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" ];
# Tuning (either autotuning or with hand-written paramters) is possible
# but not implemented here.
# It seems buggy anyways (see homepage).
buildFlags = [ "all" "${libbasename}${libext}" ];
configureFlags = lib.optionals (!tune) [
"--disable-tuning"
];
# `make install` fails to install some header files and the lib file.
installPhase = ''
mkdir -p "$out/include/zn_poly"
mkdir -p "$out/lib"
cp "${libbasename}"*"${libext}" "$out/lib"
cp include/*.h "$out/include/zn_poly"
'';
doCheck = true;
meta = with lib; {
homepage = "https://web.maths.unsw.edu.au/~davidharvey/code/zn_poly/";
description = "Polynomial arithmetic over Z/nZ";
license = with licenses; [ gpl3 ];
maintainers = teams.sage.members;
platforms = platforms.unix;
};
}