From 2c4e2d81b0a81930dc5de98b06cf69e0b1803740 Mon Sep 17 00:00:00 2001
From: Randy Eckenrode <randy@largeandhighquality.com>
Date: Fri, 3 Nov 2023 15:22:21 -0400
Subject: [PATCH] v8: use clang 15 to build

The version of v8 in nixpkgs fails to build due to
`-Wenum-constexpr-conversion` errors. Since this will be made a hard
error in later versions of clang, use clang 15 to build v8.
---
 pkgs/top-level/all-packages.nix | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2d8aff9d1570..5195aa323a7b 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -25465,7 +25465,16 @@ with pkgs;
 
   ucommon = callPackage ../development/libraries/ucommon { };
 
-  v8 = darwin.apple_sdk_11_0.callPackage ../development/libraries/v8 { };
+  v8 = callPackage ../development/libraries/v8 (
+    let
+      stdenv' = if stdenv.cc.isClang && lib.versionAtLeast (lib.getVersion stdenv.cc.cc) "16"
+        then overrideLibcxx llvmPackages_15.stdenv
+        else stdenv;
+    in
+    {
+      stdenv = if stdenv'.isDarwin then overrideSDK stdenv' "11.0" else stdenv';
+    }
+  );
 
   intel-vaapi-driver = callPackage ../development/libraries/intel-vaapi-driver { };