nixpkgs/pkgs/development/libraries/jemalloc/jemalloc450.nix

{ stdenv, fetchurl }:
import ./common.nix {
  inherit stdenv fetchurl;
  version = "4.5.0";
  sha256 = "10373xhpc10pgmai9fkc1z0rs029qlcb3c0qfnvkbwdlcibdh2cl";
}