diff --git a/python-Cython-c++11.patch b/python-Cython-c++11.patch
new file mode 100644
index 0000000..42f61da
--- /dev/null
+++ b/python-Cython-c++11.patch
@@ -0,0 +1,11 @@
+--- Cython/Compiler/PyrexTypes.py.orig	2016-01-28 12:06:29.060198431 +0000
++++ Cython/Compiler/PyrexTypes.py	2016-01-28 12:07:24.296842892 +0000
+@@ -1930,7 +1930,7 @@
+     #define __Pyx_CIMAG(z) ((z).imag)
+ #endif
+ 
+-#if (defined(_WIN32) || defined(__clang__)) && defined(__cplusplus) && CYTHON_CCOMPLEX
++#if defined(__cplusplus) && (defined(_WIN32) || defined(__clang__) || __cplusplus >= 201103L) && CYTHON_CCOMPLEX
+     #define __Pyx_SET_CREAL(z,x) ((z).real(x))
+     #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
+ #else
diff --git a/python-Cython.changes b/python-Cython.changes
index befca02..d9b8bf9 100644
--- a/python-Cython.changes
+++ b/python-Cython.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jan 28 12:09:56 UTC 2016 - rguenther@suse.com
+
+- Add python-Cython-c++11.patch to fix complex math testcase compile
+  with GCC 6 defaulting to C++14.  (bnc#963974)
+
 -------------------------------------------------------------------
 Wed Aug 26 17:11:12 UTC 2015 - ted.nokonechny@uregina.ca
 
diff --git a/python-Cython.spec b/python-Cython.spec
index 343a791..e5b856d 100644
--- a/python-Cython.spec
+++ b/python-Cython.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-Cython
 #
-# Copyright (c) 2015 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -25,6 +25,7 @@ License:        Apache-2.0
 Group:          Development/Languages/Python
 Source:         http://cython.org/release/Cython-%{version}.tar.gz
 Source1:        python-Cython-rpmlintrc
+Patch1:         python-Cython-c++11.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  fdupes
 BuildRequires:  gcc-c++
@@ -57,6 +58,7 @@ code.
 
 %prep
 %setup -q -n Cython-%{version}
+%patch1
 # Fix non-executable scripts
 sed -i "s|^#!.*||" Cython/Debugger/{libpython,Cygdb}.py cython.py
 # Fix EOL encoding