From 9869ab4a85d42720ac2d2709ac115dc0b8e0b847 Mon Sep 17 00:00:00 2001
From: Zhaofeng Li <hello@zhaofeng.li>
Date: Mon, 6 Feb 2023 13:54:21 -0700
Subject: [PATCH] Temporary workaround to fix bindgen on Darwin

https://github.com/NixOS/nixpkgs/pull/207352#issuecomment-1418363441
---
 crane.nix   | 8 +++++++-
 package.nix | 8 +++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/crane.nix b/crane.nix
index 7fd888a..e53363b 100644
--- a/crane.nix
+++ b/crane.nix
@@ -8,6 +8,7 @@
 { stdenv
 , lib
 , craneLib
+, llvmPackages
 , rustPlatform
 , runCommand
 , writeReferencesToFile
@@ -32,7 +33,6 @@ let
   };
 
   nativeBuildInputs = [
-    rustPlatform.bindgenHook
     pkg-config
     installShellFiles
   ];
@@ -68,6 +68,12 @@ let
 
     cargoExtraArgs = "-p attic-client -p attic-server";
 
+    # Temporary workaround for https://github.com/NixOS/nixpkgs/pull/207352#issuecomment-1418363441
+    preBuild = ''
+      export LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib"
+      export BINDGEN_EXTRA_CLANG_ARGS="$(< ${llvmPackages.clang}/nix-support/cc-cflags) $(< ${llvmPackages.clang}/nix-support/libc-cflags) $(< ${llvmPackages.clang}/nix-support/libcxx-cxxflags) $NIX_CFLAGS_COMPILE"
+    '';
+
     postInstall = lib.optionalString (stdenv.hostPlatform == stdenv.buildPlatform) ''
       if [[ -f $out/bin/attic ]]; then
         installShellCompletion --cmd attic \
diff --git a/package.nix b/package.nix
index bc3c53f..2303449 100644
--- a/package.nix
+++ b/package.nix
@@ -7,6 +7,7 @@
 { lib, stdenv, rustPlatform
 , pkg-config
 , installShellFiles
+, llvmPackages
 , nix
 , boost
 , darwin
@@ -31,7 +32,6 @@ in rustPlatform.buildRustPackage rec {
   };
 
   nativeBuildInputs = [
-    rustPlatform.bindgenHook
     pkg-config
     installShellFiles
   ];
@@ -50,6 +50,12 @@ in rustPlatform.buildRustPackage rec {
 
   ATTIC_DISTRIBUTOR = "attic";
 
+  # Temporary workaround for https://github.com/NixOS/nixpkgs/pull/207352#issuecomment-1418363441
+  preBuild = ''
+    export LIBCLANG_PATH="${llvmPackages.libclang.lib}/lib"
+    export BINDGEN_EXTRA_CLANG_ARGS="$(< ${llvmPackages.clang}/nix-support/cc-cflags) $(< ${llvmPackages.clang}/nix-support/libc-cflags) $(< ${llvmPackages.clang}/nix-support/libcxx-cxxflags) $NIX_CFLAGS_COMPILE"
+  '';
+
   # Recursive Nix is not stable yet
   doCheck = false;