nixpkgs/pkgs/development/libraries/mpfr/default.nix

{stdenv, fetchurl, gmp}:

stdenv.mkDerivation {
  name = "mpfr-2.3.1";

  src = fetchurl {
    url = http://www.mpfr.org/mpfr-current/mpfr-2.3.1.tar.bz2;
    sha256 = "0c44va4plxfd9zm7aa24173im38svnb15lbxql5hvxbc9bgzjmyq";
  };

  buildInputs = [gmp];

  meta = {
    homepage = http://www.mpfr.org/;
    description = "Library for multiple-precision floating-point arithmetic";
  };
}