{stdenv, fetchurl, lib, cmake}: stdenv.mkDerivation { name = "eigen-2.0.9"; src = fetchurl { url = http://bitbucket.org/eigen/eigen/get/2.0.9.tar.bz2; sha256 = "0hdsn44lv6nxypbrh3y19qk1p1579wk2v32fkav799c99wh0lss5"; }; buildInputs = [ cmake ]; meta = { description = "C++ template library for linear algebra: vectors, matrices, and related algorithms"; license = "LGPL"; homepage = http://eigen.tuxfamily.org; maintainers = [ lib.maintainers.sander ]; }; }