diff -up src/module_list.py.orig src/module_list.py --- src/module_list.py.orig 2019-10-03 16:00:44.899866273 -0300 +++ src/module_list.py 2019-10-03 16:00:56.451939308 -0300 @@ -548,7 +548,7 @@ ext_modules = [ Extension('sage.libs.lcalc.lcalc_Lfunction', sources = ['sage/libs/lcalc/lcalc_Lfunction.pyx'], libraries = ['m', 'ntl', 'Lfunction'], - extra_compile_args=["-O3", "-ffast-math"], + extra_compile_args=["-std=gnu++11", "-ffast-math"], language = 'c++'), Extension('sage.libs.libecm', diff -up src/sage/libs/lcalc/lcalc_sage.h.orig src/sage/libs/lcalc/lcalc_sage.h --- src/sage/libs/lcalc/lcalc_sage.h.orig 2019-10-25 15:58:31.890166910 -0300 +++ src/sage/libs/lcalc/lcalc_sage.h 2019-10-25 15:59:02.535343196 -0300 @@ -1,4 +1,4 @@ -#include "Lfunction/L.h" +#include "libLfunction/L.h" int *new_ints(int l) { return new int[l];