From b3c6cefecf9c923785e4cf36f18ba428e6509f1d Mon Sep 17 00:00:00 2001
From: Georges Palauqui <g.palauqui@gptechinno.com>
Date: Tue, 14 Jan 2025 18:52:23 +0100
Subject: [PATCH] add shell.nix to the workspace

---
 .vscode/settings.json |  3 +++
 shell.nix             | 44 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 .vscode/settings.json
 create mode 100644 shell.nix

diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..786d4d3
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+    "nixEnvSelector.nixFile": "${workspaceFolder}/shell.nix"
+}
\ No newline at end of file
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 0000000..18ec672
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,44 @@
+{ pkgs ? import <nixpkgs> {} }:
+  let
+    overrides = (builtins.fromTOML (builtins.readFile ./rust-toolchain.toml));
+    libPath = with pkgs; lib.makeLibraryPath [
+      # load external libraries that you need in your rust project here
+    ];
+in
+  pkgs.mkShell rec {
+    buildInputs = with pkgs; [
+      clang
+      cmake
+      # Replace llvmPackages with llvmPackages_X, where X is the latest LLVM version (at the time of writing, 16)
+      llvmPackages.bintools
+      openssl
+      pkg-config
+      rustup
+    ];
+    RUSTC_VERSION = overrides.toolchain.channel;
+    # https://github.com/rust-lang/rust-bindgen#environment-variables
+    LIBCLANG_PATH = pkgs.lib.makeLibraryPath [ pkgs.llvmPackages_latest.libclang.lib ];
+    shellHook = ''
+      export PATH=$PATH:''${CARGO_HOME:-~/.cargo}/bin
+      export PATH=$PATH:''${RUSTUP_HOME:-~/.rustup}/toolchains/$RUSTC_VERSION-x86_64-unknown-linux-gnu/bin/
+      '';
+    # Add precompiled library to rustc search path
+    RUSTFLAGS = (builtins.map (a: ''-L ${a}/lib'') [
+      # add libraries here (e.g. pkgs.libvmi)
+    ]);
+    PKG_CONFIG_PATH = "${pkgs.openssl.dev}/lib/pkgconfig";
+    LD_LIBRARY_PATH = libPath;
+    # Add glibc, clang, glib, and other headers to bindgen search path
+    BINDGEN_EXTRA_CLANG_ARGS =
+    # Includes normal include path
+    (builtins.map (a: ''-I"${a}/include"'') [
+      # add dev libraries here (e.g. pkgs.libvmi.dev)
+      pkgs.glibc.dev
+    ])
+    # Includes with special directory paths
+    ++ [
+      ''-I"${pkgs.llvmPackages_latest.libclang.lib}/lib/clang/${pkgs.llvmPackages_latest.libclang.version}/include"''
+      ''-I"${pkgs.glib.dev}/include/glib-2.0"''
+      ''-I${pkgs.glib.out}/lib/glib-2.0/include/''
+    ];
+  }