diff -up src/module_list.py.orig src/module_list.py --- src/module_list.py.orig 2018-05-18 09:34:28.942183178 -0600 +++ src/module_list.py 2018-05-18 09:35:15.210542150 -0600 @@ -464,10 +464,10 @@ ext_modules = [ Extension('sage.libs.ecl', sources = ["sage/libs/ecl.pyx"]), - Extension("sage.libs.fes", - ["sage/libs/fes.pyx"], - language = "c", - libraries = ['fes']), +# Extension("sage.libs.fes", +# ["sage/libs/fes.pyx"], +# language = "c", +# libraries = ['fes']), Extension('sage.libs.flint.flint', sources = ["sage/libs/flint/flint.pyx"],