From d2284679f997126a74279f3c49774a06c128f8db Mon Sep 17 00:00:00 2001
From: Wolfgang Thaller <wolfgang.thaller@gmx.net>
Date: Sun, 4 Oct 2020 15:35:11 +0200
Subject: [PATCH] initial nix support

---
 .gitignore     |  2 +-
 default.nix    | 27 +++++++++++++++++++++++++++
 nix/builder.sh |  3 +++
 3 files changed, 31 insertions(+), 1 deletion(-)
 create mode 100644 default.nix
 create mode 100644 nix/builder.sh

diff --git a/.gitignore b/.gitignore
index f5a1d1a61e..7a686897de 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,4 +5,4 @@ CMakeLists.txt.user
 InterfacesAndLibraries
 .DS_Store
 .vscode
-
+result
diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000000..e32d96e78e
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,27 @@
+{ system ? builtins.currentSystem, pkgs ? import <nixpkgs> { inherit system; }
+, ... }:
+
+pkgs.callPackage ({ 
+    stdenv, cmake, ninja, bison, flex,ruby, boost, gmp, mpfr, libmpc, zlib,
+    lib, bash }:
+
+  stdenv.mkDerivation {
+    name = "retro68";
+    nativeBuildInputs = [ cmake bison ruby flex ];
+    buildInputs = [
+      boost
+      gmp
+      mpfr
+      libmpc
+      zlib
+      bash
+    ];
+    src = if lib.inNixShell then null else pkgs.nix-gitignore.gitignoreSource [ ] ./.;
+  
+    builder = ./nix/builder.sh;
+
+    hardeningDisable = ["all"];
+  }
+  
+  
+  ) { }
diff --git a/nix/builder.sh b/nix/builder.sh
new file mode 100644
index 0000000000..54bdf180a6
--- /dev/null
+++ b/nix/builder.sh
@@ -0,0 +1,3 @@
+source $stdenv/setup
+
+bash $src/build-toolchain.bash --prefix=$out