From bc3217251e4fb8dd9d648b41d963d8804a0d8f67 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@gmail.com>
Date: Thu, 11 Jun 2015 19:23:25 -0500
Subject: [PATCH] pythonPackages.scikitlearn: build with openblas

---
 pkgs/top-level/python-packages.nix | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 80931ecfe1f6..c05aff22a5d6 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -11298,15 +11298,14 @@ let
     };
 
     buildInputs = with self; [ nose pillow pkgs.gfortran pkgs.glibcLocales ];
-    propagatedBuildInputs = with self; [ numpy scipy pkgs.atlas ];
+    propagatedBuildInputs = with self; [ numpy scipy pkgs.openblas ];
 
     buildPhase = ''
-      export ATLAS=${pkgs.atlas}
       ${self.python.executable} setup.py build_ext -i --fcompiler='gnu95'
     '';
 
     checkPhase = ''
-      LC_ALL="en_US.UTF-8" HOME=$TMPDIR ATLAS="" nosetests
+      LC_ALL="en_US.UTF-8" HOME=$TMPDIR OMP_NUM_THREADS=1 nosetests
     '';
 
     meta = {