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{ stdenv
, lib
, fetchFromGitLab
, fetchpatch
, gmp
, python2
, tune ? false # tune to hardware, impure
}:
stdenv.mkDerivation rec {
version = "0.9.1";
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;
sha256 = "0ra5vy585bqq7g3317iw6fp44iqgqvds3j0l1va6mswimypq4vxb";
};
buildInputs = [
gmp
];
nativeBuildInputs = [
python2 # needed by ./configure to create the makefile
];
# name of library file ("libzn_poly.so")
libbasename = "libzn_poly";
libext = stdenv.targetPlatform.extensions.sharedLibrary;
makeFlags = [ "CC=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"
];
patches = [
# fix format-security by not passing variables directly to printf
# https://gitlab.com/sagemath/zn_poly/merge_requests/1
(fetchpatch {
name = "format-security.patch";
url = "https://gitlab.com/timokau/zn_poly/commit/1950900a80ec898d342b8bcafa148c8027649766.patch";
sha256 = "1gks9chvsfpc6sg5h3nqqfia4cgvph7jmj9dw67k7dk7kv9y0rk1";
})
];
# `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 = "http://web.maths.unsw.edu.au/~davidharvey/code/zn_poly/";
description = "Polynomial arithmetic over Z/nZ";
license = with licenses; [ gpl3 ];
maintainers = with maintainers; [ timokau ];
platforms = platforms.unix;
};
}
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