jitterentropy: switch to cmake build, darwin support, `with lib;` cleanup, RFC format (#354238)

{ lib, stdenv, fetchFromGitHub }:

{

  lib,

  stdenv,

  cmake,

  fetchFromGitHub,

}:

stdenv.mkDerivation rec {

  pname = "jitterentropy";

    hash = "sha256-CPvgc/W5Z2OfbP9Lp2tQevUQZr+xlh6q5r5Fp2WUHhg=";

  };

  outputs = [ "out" "dev" ];

  nativeBuildInputs = [ cmake ];

  enableParallelBuilding = true;

  hardeningDisable = [ "fortify" ]; # avoid warnings

  # prevent jitterentropy from builtin strip to allow controlling this from the derivation's

  # settings. Also fixes a strange issue, where this strip may fail when cross-compiling.

  installFlags = [

    "INSTALL_STRIP=install"

    "PREFIX=${placeholder "out"}"

  outputs = [

    "out"

    "dev"

  ];

  meta = with lib; {

  hardeningDisable = [ "fortify" ]; # avoid warnings

  meta = {

    description = "Provides a noise source using the CPU execution timing jitter";

    homepage = "https://github.com/smuellerDD/jitterentropy-library";

    changelog = "https://github.com/smuellerDD/jitterentropy-library/raw/v${version}/CHANGES.md";

    license = with licenses; [ bsd3 /* OR */ gpl2Only ];

    platforms = platforms.linux;

    maintainers = with maintainers; [ johnazoidberg c0bw3b ];

    license = with lib.licenses; [

      bsd3 # OR

      gpl2Only

    ];

    platforms = lib.platforms.linux ++ lib.platforms.darwin;

    maintainers = with lib.maintainers; [

      johnazoidberg

      c0bw3b

    ];

  };

}