From 624360da9365bb5170f601bf128f39c13cdbc666 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?= <nix@dotlambda.de>
Date: Mon, 6 Oct 2025 15:10:48 -0700
Subject: [PATCH] mxnet: fix build with CMake 4.0

---
 pkgs/by-name/mx/mxnet/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/mx/mxnet/package.nix b/pkgs/by-name/mx/mxnet/package.nix
index 47941595a72a..28635ac2745c 100644
--- a/pkgs/by-name/mx/mxnet/package.nix
+++ b/pkgs/by-name/mx/mxnet/package.nix
@@ -65,6 +65,7 @@ stdenv.mkDerivation rec {
   ];
 
   cmakeFlags = [
+    (lib.cmakeFeature "CMAKE_POLICY_VERSION_MINIMUM" "3.5")
     "-DUSE_MKL_IF_AVAILABLE=OFF"
     "-DUSE_CUDA=OFF"
     "-DUSE_CUDNN=OFF"