windows trouble

packages/python/swig/setup.py.in

@@ -78,12 +78,13 @@ extensions=[Extension('_yap', native_sources,
                       define_macros = [('MAJOR_VERSION', '1'),
                                        ('MINOR_VERSION', '0'),
                                        ('_YAP_NOT_INSTALLED_', '1'),
+                                       ('_GNU_SOURCE', '1'),
                                        ('YAP_PYTHON', '1')],
                       runtime_library_dirs=['yap4py','${libdir}','${bindir}'],
     		      swig_opts=['-modern', '-c++', '-py3','-I${RELATIVE_SOURCE}/CXX'],
                       library_dirs=['../../..','../../../CXX','../../packages/python',"${dlls}","${bindir}", '.'],
     		      extra_link_args=my_extra_link_args,
-                      extra_compile_args=['-g3','-O0'],
+                      extra_compile_args=['-std=c++11','-g3','-O0'],
     		      libraries=['Yap','${GMP_LIBRARIES}'],
                       include_dirs=['../../..',
                                     '${GMP_INCLUDE_DIRS}',