From 510c0ee65495baac57f447af65a0864b0f795f73 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Sat, 4 Jan 2025 20:11:16 +0100
Subject: [PATCH] vtk: fix darwin build

---
 pkgs/top-level/all-packages.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index c1246415e951..9ba947dd7064 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10867,7 +10867,9 @@ with pkgs;
     wine = wineWowPackages.staging;
   };
 
-  vtk_9 = libsForQt5.callPackage ../development/libraries/vtk/9.x.nix { };
+  vtk_9 = libsForQt5.callPackage ../development/libraries/vtk/9.x.nix {
+    stdenv = if stdenv.cc.isClang then llvmPackages_17.stdenv else stdenv;
+  };
 
   vtk_9_withQt5 = vtk_9.override { enableQt = true; };