diff -up src/module_list.py.orig src/module_list.py --- src/module_list.py.orig 2016-10-20 08:30:33.400589734 -0400 +++ src/module_list.py 2016-10-20 08:32:10.570593455 -0400 @@ -964,7 +964,7 @@ ext_modules = [ library_dirs = m4ri_library_dirs, include_dirs = m4ri_include_dirs, depends = [SAGE_INC + "/m4rie/m4rie.h"], - extra_compile_args = ['-std=c99'] + m4ri_extra_compile_args), + extra_compile_args = ['-std=c++11'] + m4ri_extra_compile_args), Extension('sage.matrix.matrix_modn_dense_float', sources = ['sage/matrix/matrix_modn_dense_float.pyx'],