From f12199614ddb62c24a113eb521dfaf2f602685ff Mon Sep 17 00:00:00 2001
From: Sam Stites <stites@users.noreply.github.com>
Date: Sun, 20 Oct 2019 17:06:31 -0400
Subject: [PATCH] magma: use cudatoolkit

---
 pkgs/development/libraries/science/math/magma/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/science/math/magma/default.nix b/pkgs/development/libraries/science/math/magma/default.nix
index ef4e89aecb8..6a07ebdb862 100644
--- a/pkgs/development/libraries/science/math/magma/default.nix
+++ b/pkgs/development/libraries/science/math/magma/default.nix
@@ -24,6 +24,10 @@ in stdenv.mkDerivation {
 
   MKLROOT = optionalString mklSupport mkl;
 
+  preConfigure = ''
+    export CC=${cudatoolkit.cc}/bin/gcc CXX=${cudatoolkit.cc}/bin/g++
+  '';
+
   enableParallelBuilding=true;
   buildFlags = [ "magma" "magma_sparse" ];