From 0603c25738ab744f1ff61392bcea46055fb3b1b2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dani=C3=ABl=20de=20Kok?= <me@danieldk.eu>
Date: Sat, 10 Apr 2021 08:10:28 +0200
Subject: [PATCH] python3Packages.pytorch: remove unused USE_MKL variable

PyTorch will always try to find MKL, USE_MKL does not do anything
anymore. So, we have to rely on MKL not being in the build
environment.
---
 pkgs/development/python-modules/pytorch/default.nix | 2 --
 1 file changed, 2 deletions(-)

diff --git a/pkgs/development/python-modules/pytorch/default.nix b/pkgs/development/python-modules/pytorch/default.nix
index 1c0cc1b24f3..22b8757cec8 100644
--- a/pkgs/development/python-modules/pytorch/default.nix
+++ b/pkgs/development/python-modules/pytorch/default.nix
@@ -167,8 +167,6 @@ in buildPythonPackage rec {
   # We only do an imports check, so do not build tests either.
   BUILD_TEST = setBool false;
 
-  USE_MKL = setBool (blas.implementation == "mkl");
-
   # Unlike MKL, oneDNN (née MKLDNN) is FOSS, so we enable support for
   # it by default. PyTorch currently uses its own vendored version
   # of oneDNN through Intel iDeep.