From 33c4d1eba0dcbca231b74d4eccca1d0ec1be3de1 Mon Sep 17 00:00:00 2001
From: Oliver Richter <oliver.richter@secunet.com>
Date: Thu, 27 Jul 2023 17:21:41 +0200
Subject: [PATCH] djenrandom: init at 1.0

Add djenrandom as a package. djenrandom is a tool to generate random data.

Signed-off-by: Oliver Richter <richter-oliver@gmx.net>
---
 pkgs/tools/misc/djenrandom/default.nix | 43 ++++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix        |  2 ++
 2 files changed, 45 insertions(+)
 create mode 100644 pkgs/tools/misc/djenrandom/default.nix

diff --git a/pkgs/tools/misc/djenrandom/default.nix b/pkgs/tools/misc/djenrandom/default.nix
new file mode 100644
index 00000000000..f55329a6618
--- /dev/null
+++ b/pkgs/tools/misc/djenrandom/default.nix
@@ -0,0 +1,43 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+}:
+
+stdenv.mkDerivation rec {
+  pname = "djenrandom";
+  version = "1.0";
+
+  src = fetchFromGitHub {
+    owner = "dj-on-github";
+    repo = "djenrandom";
+    rev = "${version}";
+    hash = "sha256-r5UT8z8vvFZDffsl6CqBXuvBaZ/sl1WLxJi26CxkpAw=";
+  };
+
+  preBuild = ''
+    sed -i s/gcc/${stdenv.cc.targetPrefix}gcc/g Makefile
+  ''
+  + lib.optionalString (!stdenv.hostPlatform.isx86_64) ''
+    sed -i s/-m64//g Makefile
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -D djenrandom $out/bin/djenrandom
+    runHook postInstall
+  '';
+
+  makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" ];
+
+  meta = {
+    homepage = "http://www.deadhat.com/";
+    description = ''
+      A C program to generate random data using several random models,
+      with parameterized non uniformities and flexible output formats
+    '';
+    license = lib.licenses.gpl2Only;
+    # djenrandom uses x86 specific instructions, therefore we can only compile for the x86 architechture
+    platforms = lib.platforms.x86;
+    maintainers = with lib.maintainers; [ orichter thillux ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 21289fab607..84ebdbd85fc 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -39741,6 +39741,8 @@ with pkgs;
 
   terminal-parrot = callPackage ../applications/misc/terminal-parrot { };
 
+  djenrandom = callPackage ../tools/misc/djenrandom { };
+
   epsonscan2 = pkgs.libsForQt5.callPackage ../misc/drivers/epsonscan2 { };
 
   epson-alc1100 = callPackage ../misc/drivers/epson-alc1100 { };