{ stdenv, fetchurl, cmake }: stdenv.mkDerivation rec { pname = "hepmc"; version = "2.06.11"; src = fetchurl { url = "http://hepmc.web.cern.ch/hepmc/releases/HepMC-${version}.tar.gz"; sha256 = "1pp89bs05nv60wjk1690ndwh4dsd5mk20bzsd4a2lklysdifvb6f"; }; nativeBuildInputs = [ cmake ]; cmakeFlags = [ "-Dmomentum:STRING=GEV" "-Dlength:STRING=MM" ]; meta = with stdenv.lib; { description = "The HepMC package is an object oriented event record written in C++ for High Energy Physics Monte Carlo Generators"; license = licenses.lgpl21; homepage = "http://hepmc.web.cern.ch/hepmc/"; platforms = platforms.unix; maintainers = with maintainers; [ veprbl ]; }; }