try gcc6 patch

Cython.spec

@@ -19,7 +19,7 @@ Group:		Development/Tools
 License:	Python
 URL:		http://www.cython.org
 Source:		http://www.cython.org/release/%{srcname}-%{upstreamversion}.tar.gz
-
+Patch0:	gcc6.patch
 BuildRequires:	python-devel python-setuptools
 %if 0%{?with_python3}
 BuildRequires:	python3-devel
@@ -69,7 +69,7 @@ For more info, see:
 
 %prep
 %setup -q -n %{name}-%{upstreamversion}
-
+%patch0 -p1
 
 %build
 %py2_build

gcc6.patch

@@ -0,0 +1,12 @@
+--- Cython-0.23/Cython/Compiler/PyrexTypes.py.orig	2016-02-05 07:56:42.411235179 -0500
++++ Cython-0.23/Cython/Compiler/PyrexTypes.py	2016-02-05 07:59:35.926182417 -0500
+@@ -1960,7 +1960,8 @@
+     #define __Pyx_CIMAG(z) ((z).imag)
+ #endif
+ 
+-#if (defined(_WIN32) || defined(__clang__)) && defined(__cplusplus) && CYTHON_CCOMPLEX
++#if defined(__cplusplus) && !CYTHON_COMPLEX \
++        && (defined(_WIN32) || defined(__clang__) || (defined(__GNUC__) && GCC_VERSION >= 40400) || __cplusplus >= 201103)
+     #define __Pyx_SET_CREAL(z,x) ((z).real(x))
+     #define __Pyx_SET_CIMAG(z,y) ((z).imag(y))
+ #else