From 76f01413bd04fe7ada2045cbb27c21b01c2116bc Mon Sep 17 00:00:00 2001
From: Gabriel Ebner <gebner@gebner.org>
Date: Thu, 8 Aug 2019 09:01:10 +0200
Subject: [PATCH] cura: workaround for #59901

---
 pkgs/applications/misc/cura/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/applications/misc/cura/default.nix b/pkgs/applications/misc/cura/default.nix
index e9366d43ef46..67e3924ca18a 100644
--- a/pkgs/applications/misc/cura/default.nix
+++ b/pkgs/applications/misc/cura/default.nix
@@ -29,6 +29,11 @@ mkDerivation rec {
     "-DCURA_VERSION=${version}"
   ];
 
+  makeWrapperArgs = [
+    # hacky workaround for https://github.com/NixOS/nixpkgs/issues/59901
+    "--set OMP_NUM_THREADS 1"
+  ];
+
   postPatch = ''
     sed -i 's,/python''${PYTHON_VERSION_MAJOR}/dist-packages,/python''${PYTHON_VERSION_MAJOR}.''${PYTHON_VERSION_MINOR}/site-packages,g' CMakeLists.txt
     sed -i 's, executable_name = .*, executable_name = "${curaengine}/bin/CuraEngine",' plugins/CuraEngineBackend/CuraEngineBackend.py