{stdenv, fetchurl, gmp, mpir, cddlib}: stdenv.mkDerivation rec { pname = "gfan"; version = "0.6.2"; src = fetchurl { url = "http://home.math.au.dk/jensen/software/gfan/gfan${version}.tar.gz"; sha256 = "02pihqb1lb76a0xbfwjzs1cd6ay3ldfxsm8dvsbl6qs3vkjxax56"; }; patchPhase = stdenv.lib.optionalString stdenv.cc.isClang '' substituteInPlace Makefile --replace "-fno-guess-branch-probability" "" ''; buildFlags = [ "CC=cc" "CXX=c++" "cddnoprefix=1" ]; installFlags = [ ''PREFIX=$(out)'' ]; buildInputs = [ gmp mpir cddlib ]; meta = { inherit version; description = ''A software package for computing Gröbner fans and tropical varieties''; license = stdenv.lib.licenses.gpl2 ; maintainers = [stdenv.lib.maintainers.raskin]; platforms = stdenv.lib.platforms.unix; homepage = "http://home.math.au.dk/jensen/software/gfan/gfan.html"; }; }