From 46e51883d89818744500ddc3f800990ce3c1a0c6 Mon Sep 17 00:00:00 2001
From: Frederik Rietdijk <fridh@fridh.nl>
Date: Sun, 30 Aug 2015 09:55:29 +0200
Subject: [PATCH] scikit-learn: fix i686 build failures

Currently i686 builds fail because a couple of doctests fail.
The values are correct, but the dtype is missing.
This commit disables doctests.
---
 pkgs/top-level/python-packages.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 42db423a451a..de04d810930c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -12460,6 +12460,13 @@ let
     buildInputs = with self; [ nose pillow pkgs.gfortran pkgs.glibcLocales ];
     propagatedBuildInputs = with self; [ numpy scipy pkgs.openblas ];
 
+    # doctests fail on i686
+    # https://github.com/NixOS/nixpkgs/issues/9472
+    # https://github.com/scikit-learn/scikit-learn/issues/5177
+    patchPhase = ''
+      substituteInPlace setup.cfg --replace 'with-doctest = 1' 'with-doctest = 0'
+    '';
+
     buildPhase = ''
       ${self.python.executable} setup.py build_ext -i --fcompiler='gnu95'
     '';