From 1127e9df030ec2682f5b4ac8bd0f19265aeaf7df Mon Sep 17 00:00:00 2001
From: Leona Maroni <dev@leona.is>
Date: Fri, 2 Jan 2026 23:17:55 +0100
Subject: [PATCH] python3Packages.cupy: pass custom stdenv to
 buildPythonApplication with an override

Passing `stdenv` directly to `buildPythonPackage` or `buildPythonApplication`
is deprecated with `oldestSupportedRelease = 2511`.
---
 pkgs/development/python-modules/cupy/default.nix | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/cupy/default.nix b/pkgs/development/python-modules/cupy/default.nix
index 0eb635c06a15..3af28161ba4e 100644
--- a/pkgs/development/python-modules/cupy/default.nix
+++ b/pkgs/development/python-modules/cupy/default.nix
@@ -49,13 +49,11 @@ let
       outpaths ++ lib.concatMap (outpath: lib.map (output: outpath.${output}) outpath.outputs) outpaths;
   };
 in
-buildPythonPackage rec {
+buildPythonPackage.override { stdenv = cudaPackages.backendStdenv; } rec {
   pname = "cupy";
   version = "13.6.0";
   pyproject = true;
 
-  stdenv = cudaPackages.backendStdenv;
-
   src = fetchFromGitHub {
     owner = "cupy";
     repo = "cupy";