anchor.diff:  
     # Build-time dependencies:
   , addOpenGLRunpath
  -, bazel_4
  +, bazel_5
   , binutils
   , buildBazelPackage
   , buildPythonPackage
  
positive.code:   bazel-build = buildBazelPackage {
      name = "bazel-build-${pname}-${version}";
  
      bazel = bazel_4;
  
      src = fetchFromGitHub {
        owner = "google";
        repo = "jax";
        rev = "${pname}-v${version}";
        sha256 = "01ks4djbpjsxjy2zwdwv3h00sgwi4ps3jz75swddrw2f56zjdmw4";
      };
  
      nativeBuildInputs = [
  
negative.code: let
  
    pname = "jaxlib";
    version = "0.3.0";
  
    meta = with lib; {
      description = "JAX is Autograd and XLA, brought together for high-performance machine learning research.";
  