anchor.diff:        # Check pkgs/development/libraries/science/math/cudnn/default.nix for more
         # details.
         url = "https://storage.googleapis.com/jax-releases/cuda11/jaxlib-${version}+cuda11.cudnn805-cp39-none-manylinux2010_x86_64.whl";
  -      sha256 = "1mk618lq1q5x0dc3xbid8bim59l9j6l47xq232gdbn401ykrid7r";
  +      sha256 = "0z15rdw3a8sq51rpjmfc41ix1q095aasl79rvlib85ir6f3wh2h8";
   
         # This is what the cuDNN 8.2 download looks like for future reference:
         # url = "https://storage.googleapis.com/jax-releases/cuda11/jaxlib-${version}+cuda11.cudnn82-cp39-none-manylinux2010_x86_64.whl";
  
positive.code: #   * https://github.com/google/jax/issues/971#issuecomment-508216439
  #   * https://github.com/google/jax/issues/5723#issuecomment-913038780
  
  { addOpenGLRunpath, autoPatchelfHook, buildPythonPackage, config
  , fetchurl, isPy39, lib, stdenv
  # propagatedBuildInputs
  , absl-py, flatbuffers, scipy, cudatoolkit_11, cudnn
  # Options:
  , cudaSupport ? config.cudaSupport or false
  }:
  
  
negative.code: in
  buildPythonPackage rec {
    pname = "jaxlib";
    version = "0.3.0";
    format = "wheel";
  
    # At the time of writing (8/19/21), there are releases for 3.7-3.9. Supporting
  