From d001cf04cb32cb4cd3e325368b9c6afa445a97c6 Mon Sep 17 00:00:00 2001
From: Gaetan Lepage <gaetan@glepage.com>
Date: Mon, 23 Mar 2026 20:40:01 +0000
Subject: [PATCH] python3Packages.torchvision: 0.25.0 -> 0.26.0

Diff: https://github.com/pytorch/vision/compare/v0.25.0...v0.26.0

Changelog: https://github.com/pytorch/vision/releases/tag/v0.26.0
---
 .../python-modules/torchvision/default.nix     | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/pkgs/development/python-modules/torchvision/default.nix b/pkgs/development/python-modules/torchvision/default.nix
index c3a3d2cb9346..e57eadd789ec 100644
--- a/pkgs/development/python-modules/torchvision/default.nix
+++ b/pkgs/development/python-modules/torchvision/default.nix
@@ -26,16 +26,16 @@ let
   inherit (torch) cudaCapabilities cudaPackages cudaSupport;
 
 in
-buildPythonPackage.override { stdenv = torch.stdenv; } (finalAttrs: {
+buildPythonPackage.override { inherit (torch) stdenv; } (finalAttrs: {
   pname = "torchvision";
-  version = "0.25.0";
+  version = "0.26.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pytorch";
     repo = "vision";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-oktJHcT6T4f58pUO+HSBpbyS1ISH3zDlTsXQh6PcMy4=";
+    hash = "sha256-FOdDGY3v8yWBhtNo9tZP79/xwrc7AoIY5Y1ZABzWe6g=";
   };
 
   nativeBuildInputs = [
@@ -63,6 +63,18 @@ buildPythonPackage.override { stdenv = torch.stdenv; } (finalAttrs: {
     TORCHVISION_LIBRARY = "${libjpeg_turbo}/lib/";
   }
   // lib.optionalAttrs cudaSupport {
+    # At of 2026-03-27, the default `cudaPackages` version is 12.9.1
+    # According to Nvidia, it should support GCC versions up to 14.x:
+    # -> https://docs.nvidia.com/cuda/archive/12.9.1/cuda-installation-guide-linux/index.html#host-compiler-support-policy
+    # However, PyTorch's *strict* upper bound is 14.0:
+    # -> https://github.com/pytorch/pytorch/blob/v2.11.0/torch/utils/cpp_extension.py#L75
+    # Hence, the build fails with:
+    #   RuntimeError: The current installed version of g++ (14.3.0) is greater than the maximum
+    #   required version by CUDA 12.9. Please make sure to use an adequate version of g++
+    #   (>=6.0.0, <14.0).
+    # Hence, we disable the version check to silence the error:
+    TORCH_DONT_CHECK_COMPILER_ABI = 1;
+
     TORCH_CUDA_ARCH_LIST = "${lib.concatStringsSep ";" cudaCapabilities}";
     FORCE_CUDA = 1;
   };