From d3f6db7df25ac892d27740b91675821a642acb74 Mon Sep 17 00:00:00 2001
From: Sizhe Zhao <prc.zhao@outlook.com>
Date: Thu, 10 Jul 2025 01:08:17 +0800
Subject: [PATCH] qt6.qtwebengine: fix build

(cherry picked from commit 7f96522ec71de7cfaff72e4f68861265a15c1287)
---
 .../qt-6/modules/qtwebengine/default.nix      | 33 ++++++++++++-------
 1 file changed, 22 insertions(+), 11 deletions(-)

diff --git a/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix b/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix
index 710c53091de14..44ab5d63eb455 100644
--- a/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix
+++ b/pkgs/development/libraries/qt-6/modules/qtwebengine/default.nix
@@ -7,6 +7,7 @@
   buildPackages,
   bison,
   coreutils,
+  fetchpatch2,
   flex,
   git,
   gperf,
@@ -100,20 +101,30 @@ qtModule {
   # which cannot be set at the same time as -Wformat-security
   hardeningDisable = [ "format" ];
 
-  patches = [
-    # Don't assume /usr/share/X11, and also respect the XKB_CONFIG_ROOT
-    # environment variable, since NixOS relies on it working.
-    # See https://github.com/NixOS/nixpkgs/issues/226484 for more context.
-    ./xkb-includes.patch
+  patches =
+    [
+      # Don't assume /usr/share/X11, and also respect the XKB_CONFIG_ROOT
+      # environment variable, since NixOS relies on it working.
+      # See https://github.com/NixOS/nixpkgs/issues/226484 for more context.
+      ./xkb-includes.patch
 
-    ./link-pulseaudio.patch
+      ./link-pulseaudio.patch
 
-    # Override locales install path so they go to QtWebEngine's $out
-    ./locales-path.patch
+      # Override locales install path so they go to QtWebEngine's $out
+      ./locales-path.patch
 
-    # Reproducibility QTBUG-136068
-    ./gn-object-sorted.patch
-  ];
+      # Reproducibility QTBUG-136068
+      ./gn-object-sorted.patch
+    ]
+    ++ lib.optionals stdenv.cc.isClang [
+      # https://chromium-review.googlesource.com/c/chromium/src/+/6445471
+      (fetchpatch2 {
+        url = "https://github.com/chromium/chromium/commit/f8f21fb4aa01f75acbb12abf5ea8c263c6817141.patch?full_index=1";
+        stripLen = 1;
+        extraPrefix = "src/3rdparty/chromium/";
+        hash = "sha256-wcby9uD8xb4re9+s+rdl1hcpxDcHxuI68vUNAC7Baas=";
+      })
+    ];
 
   postPatch =
     ''