nixpkgs/pkgs/development/libraries/physics/hepmc3/default.nix

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{ stdenv, fetchurl, cmake, coreutils, python, root }:
let
pythonVersion = with stdenv.lib.versions; "${major python.version}${minor python.version}";
withPython = python != null;
in
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stdenv.mkDerivation rec {
pname = "hepmc3";
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version = "3.2.0";
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src = fetchurl {
url = "http://hepmc.web.cern.ch/hepmc/releases/HepMC3-${version}.tar.gz";
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sha256 = "1z491x3blqs0a2jxmhzhmh4kqdw3ddcbvw69gidg4w6icdvkhcpi";
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};
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nativeBuildInputs = [ cmake ];
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buildInputs = [ root ]
++ stdenv.lib.optional withPython python;
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cmakeFlags = [
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"-DHEPMC3_ENABLE_PYTHON=${if withPython then "ON" else "OFF"}"
] ++ stdenv.lib.optionals withPython [
"-DHEPMC3_PYTHON_VERSIONS=${if python.isPy3k then "3.X" else "2.X"}"
"-DHEPMC3_Python_SITEARCH${pythonVersion}=${placeholder "out"}/${python.sitePackages}"
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];
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postInstall = ''
substituteInPlace "$out"/bin/HepMC3-config \
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--replace 'greadlink' '${coreutils}/bin/readlink' \
--replace 'readlink' '${coreutils}/bin/readlink'
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'';
meta = with stdenv.lib; {
description = "The HepMC package is an object oriented, C++ event record for High Energy Physics Monte Carlo generators and simulation";
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license = licenses.gpl3;
homepage = "http://hepmc.web.cern.ch/hepmc/";
platforms = platforms.unix;
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maintainers = with maintainers; [ veprbl ];
};
}