changes.patch

diff --git a/pkgs/development/python-modules/pytorch/default.nix b/pkgs/development/python-modules/pytorch/default.nix
index 0f6cb16bf75..fb6e3d6acdc 100644
--- a/pkgs/development/python-modules/pytorch/default.nix
+++ b/pkgs/development/python-modules/pytorch/default.nix
@@ -134,6 +134,7 @@ in buildPythonPackage rec {
   '' + lib.optionalString (cudaSupport && cudnn != null) ''
     export CUDNN_INCLUDE_DIR=${cudnn}/include
   '';
+  postConfigure = "exit 1";
 
   preFixup = ''
     function join_by { local IFS="$1"; shift; echo "$*"; }
@@ -203,6 +204,7 @@ in buildPythonPackage rec {
     cp -r $out/${python.sitePackages}/torch/lib     $dev/lib
     cp -r $out/${python.sitePackages}/torch/include $dev/include
     cp -r ${src}/c10/* $dev/include/c10/
+    find -name cuda_cmake_macros.h
   '';
 
   postFixup = stdenv.lib.optionalString stdenv.isDarwin ''

test.nix

let
  pkgs = import ./. { config.allowUnfree = true; };
in pkgs.stdenv.mkDerivation {
  name = "c10";
  src = pkgs.python37Packages.pytorch.src;
  postUnpack = ''
    sourceRoot+=/c10/cuda
    echo source root reset to $sourceRoot
  '';
  nativeBuildInputs = [ pkgs.cmake ];
  buildInputs = [ pkgs.cudatoolkit ];
}