From 812e0bced198a3d4d7d8b01ca6c2ae6490f7bb4f Mon Sep 17 00:00:00 2001
From: Orivej Desh <orivej@gmx.fr>
Date: Sun, 3 Dec 2017 11:27:45 +0000
Subject: [PATCH] shogun: fix parallel building

---
 .../science/machine-learning/shogun/default.nix           | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/science/machine-learning/shogun/default.nix b/pkgs/applications/science/machine-learning/shogun/default.nix
index 9d736694cbd..ae272284bcd 100644
--- a/pkgs/applications/science/machine-learning/shogun/default.nix
+++ b/pkgs/applications/science/machine-learning/shogun/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, ccache, cmake, ctags, swig
+{ stdenv, lib, fetchFromGitHub, fetchpatch, ccache, cmake, ctags, swig
 # data, compression
 , bzip2, curl, hdf5, json_c, lzma, lzo, protobuf, snappy
 # maths
@@ -27,6 +27,12 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
+  patches = fetchpatch {
+    name = "Fix-meta-example-parser-bug-in-parallel-builds.patch";
+    url = "https://github.com/shogun-toolbox/shogun/commit/ecd6a8f11ac52748e89d27c7fab7f43c1de39f05.patch";
+    sha256 = "1hrwwrj78sxhwcvgaz7n4kvh5y9snfcc4jf5xpgji5hjymnl311n";
+  };
+
   CCACHE_DIR=".ccache";
 
   buildInputs = with lib; [