Merge pull request #48843 from JohnAZoidberg/rng-tools-6.6

rng-tools: 5 -> 6.6, jitterentropy: init at 2.1.2

pkgs/development/libraries/jitterentropy/default.nix

@@ -0,0 +1,30 @@
+{ stdenv, fetchFromGitHub }:
+stdenv.mkDerivation rec {
+  name = "jitterentropy-${version}";
+  version = "2.1.2";
+
+  src = fetchFromGitHub {
+    owner = "smuellerDD";
+    repo = "jitterentropy-library";
+    rev = "v${version}";
+    sha256 = "10yl1hi0hysr53wzy2i8brs0qqnxh46mz3dcjh5mk0ad03wvbfsl";
+  };
+
+  enableParallelBuilding = true;
+
+  preInstall = ''
+    mkdir -p $out/include
+  '';
+
+  installFlags = [
+    "PREFIX=$(out)"
+  ];
+
+  meta = {
+    description = "Provides a noise source using the CPU execution timing jitter";
+    homepage = https://github.com/smuellerDD/jitterentropy-library;
+    license = with stdenv.lib.licenses; [ gpl2 bsd3 ];
+    platforms = stdenv.lib.platforms.linux;
+    maintainers = with stdenv.lib.maintainers; [ johnazoidberg ];
+  };
+}