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

pkgs/development/libraries/jitterentropy/default.nix

@@ -1,4 +1,9 @@
-{ lib, stdenv, fetchFromGitHub }:
+{
+  lib,
+  stdenv,
+  cmake,
+  fetchFromGitHub,
+}:
 
 stdenv.mkDerivation rec {
   pname = "jitterentropy";
@@ -11,24 +16,27 @@ stdenv.mkDerivation rec {
     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
+    ];
   };
 }