From 3b382c738f7ec8a197393a350873403b78de594a Mon Sep 17 00:00:00 2001
From: Leonora Tindall <nora@nora.codes>
Date: Thu, 12 Jan 2023 18:18:20 -0600
Subject: [PATCH] Add nix shell definition

---
 .envrc     |  1 +
 .gitignore |  1 +
 shell.nix  | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 .envrc
 create mode 100644 shell.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 000000000..4a4726a5c
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use_nix
diff --git a/.gitignore b/.gitignore
index 9a643953f..00efef8b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ ui/target
 ui-sys/target
 iui/target
 target
+.direnv
diff --git a/shell.nix b/shell.nix
new file mode 100644
index 000000000..e995a2445
--- /dev/null
+++ b/shell.nix
@@ -0,0 +1,36 @@
+with import <nixpkgs> {};
+clangStdenv.mkDerivation {
+  name = "iui-nix-shell";
+  nativeBuildInputs = with pkgs; [
+    cargo
+    rustc
+    gtk3
+    pkgconfig
+  ];
+  shellHook = ''
+export LIBCLANG_PATH="${pkgs.llvmPackages_latest.libclang.lib}/lib";
+export LLVM_CONFIG_PATH="${pkgs.llvm}/bin/llvm-config";
+ export BINDGEN_EXTRA_CLANG_ARGS="$(< ${stdenv.cc}/nix-support/libc-crt1-cflags)\
+          $(< ${stdenv.cc}/nix-support/libc-cflags) \
+          $(< ${stdenv.cc}/nix-support/cc-cflags) \
+          $(< ${stdenv.cc}/nix-support/libcxx-cxxflags) \
+          ${
+            lib.optionalString stdenv.cc.isClang
+            "-idirafter ${stdenv.cc.cc}/lib/clang/${
+              lib.getVersion stdenv.cc.cc
+            }/include"
+          } \
+          ${
+            lib.optionalString stdenv.cc.isGNU
+            "-isystem ${stdenv.cc.cc}/include/c++/${
+              lib.getVersion stdenv.cc.cc
+            } -isystem ${stdenv.cc.cc}/include/c++/${
+              lib.getVersion stdenv.cc.cc
+            }/${stdenv.hostPlatform.config} -idirafter
+${stdenv.cc.cc}/lib/gcc/${stdenv.hostPlatform.config}/${
+              lib.getVersion stdenv.cc.cc
+            }/include"
+          } \
+        "
+'';
+}