From 58710ad37d50b420654bb3d1ce50adffe643a6e4 Mon Sep 17 00:00:00 2001
From: Atemu <atemu.main@gmail.com>
Date: Tue, 22 Nov 2022 06:55:49 +0100
Subject: [PATCH] dar: use llvmPackages_12 rather than gcc on Darwin

As pointed out by @wegank in
https://github.com/NixOS/nixpkgs/pull/202218#issuecomment-1322708760, a newer
clang also works.
---
 pkgs/tools/backup/dar/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/tools/backup/dar/default.nix b/pkgs/tools/backup/dar/default.nix
index 3652529805c6..2ee7331a7338 100644
--- a/pkgs/tools/backup/dar/default.nix
+++ b/pkgs/tools/backup/dar/default.nix
@@ -1,4 +1,4 @@
-{ lib, gccStdenv, fetchurl
+args @ { lib, stdenv, llvmPackages_12, fetchurl
 , which
 , attr, e2fsprogs
 , curl, libargon2, librsync, libthreadar
@@ -10,9 +10,9 @@
 with lib;
 
 let
-  # Fails to build with clang on Darwin:
+  # Fails to build with clang-11 on Darwin:
   # error: exception specification of overriding function is more lax than base version
-  stdenv = gccStdenv;
+  stdenv = if args.stdenv.isDarwin then llvmPackages_12.stdenv else args.stdenv;
 in
 
 stdenv.mkDerivation rec {