From dd515685668387725a116b587a46c9e4b73adfd9 Mon Sep 17 00:00:00 2001
From: TheSola10 <me@thesola.io>
Date: Mon, 25 Sep 2023 11:12:55 +0200
Subject: [PATCH] Added Nix build files

---
 default.nix | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.lock  | 26 ++++++++++++++++++++++++++
 flake.nix   |  9 +++++++++
 3 files changed, 88 insertions(+)
 create mode 100644 default.nix
 create mode 100644 flake.lock
 create mode 100644 flake.nix

diff --git a/default.nix b/default.nix
new file mode 100644
index 0000000..7837d24
--- /dev/null
+++ b/default.nix
@@ -0,0 +1,53 @@
+{ pkgs ? import <nixpkgs> {}
+, useLLVMLibcxx ? false
+, ... }:
+
+with pkgs;
+
+pkgs.llvmPackages.stdenv.mkDerivation rec {
+  name = "xeus-cling";
+  src = ./.;
+
+  nativeBuildInputs = with pkgs; [
+    cmake
+    makeWrapper
+  ];
+
+  buildInputs = with pkgs; [
+    xeus
+    xeus-zmq
+    cppzmq
+    cling.unwrapped
+    argparse
+    xtl
+    pugixml
+    nlohmann_json
+    openssl
+    llvmPackages_9.libllvm
+    llvmPackages_9.libclang
+    libuuid
+  ];
+
+  # Runtime flags for the C++ standard library
+  cxxFlags = if useLLVMLibcxx then [
+    "-I" "${lib.getDev llvmPackages_9.libcxx}/include/c++/v1"
+    "-L" "${llvmPackages_9.libcxx}/lib"
+    "-l" "${llvmPackages_9.libcxx}/lib/libc++.so"
+  ] else [
+    "-I" "${gcc-unwrapped}/include/c++/${gcc-unwrapped.version}"
+    "-I" "${gcc-unwrapped}/include/c++/${gcc-unwrapped.version}/x86_64-unknown-linux-gnu"
+  ];
+
+  flags = [
+    "-nostdinc"
+    "-nostdinc++"
+    "-isystem" "${cling.unwrapped}/lib/clang/9.0.1/include"
+  ] ++ cxxFlags ++ [
+    "-isystem" "${lib.getDev stdenv.cc.libc}/include"
+    "-isystem" "${cling.unwrapped}/include"
+  ];
+
+  fixupPhase = ''
+    wrapProgram $out/bin/xcpp --add-flags "$flags"
+  '';
+}
diff --git a/flake.lock b/flake.lock
new file mode 100644
index 0000000..55785eb
--- /dev/null
+++ b/flake.lock
@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1695628505,
+        "narHash": "sha256-gkn36kbqNQgKEs7RM7MSVQh84VIwmM9fvFCffC70mq8=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "29351a88df4201a8423fb4ab72b9438251e6744e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}
diff --git a/flake.nix b/flake.nix
new file mode 100644
index 0000000..786db2f
--- /dev/null
+++ b/flake.nix
@@ -0,0 +1,9 @@
+{ description = "xeus-cling Jupyter kernel";
+
+  inputs."nixpkgs".url = github:NixOS/nixpkgs;
+
+  outputs = { self, nixpkgs, ... }:
+  { packages.x86_64-linux.default =
+      (import nixpkgs { system="x86_64-linux"; }).callPackage ./default.nix {};
+  };
+}