From 2a97abdc2117d950269589cc9886bc1cbc1c9e30 Mon Sep 17 00:00:00 2001
From: toonn <toonn@toonn.io>
Date: Tue, 13 Jul 2021 00:28:34 +0200
Subject: [PATCH] Qt5: WebEngine build with old LLVM

Qt Base is built with LLVM 5 on Darwin. LLVM 11 causes problems for
WebEngine because of the "version" includes in libc++abi. LLVM 7 would
work but since parts are built with LLVM 5 anyway it seemed like a more
straightforward option.
---
 pkgs/development/libraries/qt-5/5.12/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/libraries/qt-5/5.12/default.nix b/pkgs/development/libraries/qt-5/5.12/default.nix
index a047b5b71081..f4a9d11c7516 100644
--- a/pkgs/development/libraries/qt-5/5.12/default.nix
+++ b/pkgs/development/libraries/qt-5/5.12/default.nix
@@ -191,6 +191,7 @@ let
         inherit (darwin.apple_sdk.libs) sandbox;
         inherit (darwin.apple_sdk.frameworks) ApplicationServices AVFoundation Foundation ForceFeedback GameController AppKit
           ImageCaptureCore CoreBluetooth IOBluetooth CoreWLAN Quartz Cocoa LocalAuthentication;
+        stdenv = stdenvActual;
       };
       qtwebglplugin = callPackage ../modules/qtwebglplugin.nix {};
       qtwebkit = callPackage ../modules/qtwebkit.nix {