From 12b56aea48c519b4147a991ad4fedbf263d5a6b8 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Tue, 21 Nov 2023 00:59:10 +0100
Subject: [PATCH] osl: fix build on darwin

---
 pkgs/top-level/all-packages.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 30279a8c3e3b..2a0697403c7a 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -11757,7 +11757,10 @@ with pkgs;
   osl = libsForQt5.callPackage ../development/compilers/osl {
     boost = boost179;
     libclang = llvmPackages_15.libclang;
-    clang = clang_15;
+    clang =
+      if stdenv.cc.libcxx != null
+      then (overrideLibcxx llvmPackages_15.stdenv).cc
+      else clang_15;
     llvm = llvm_15;
   };