> >
> -----------------------------------------------------------------------------
>
> > > Checking whether SageMath should install SPKG python3...
> > > checking whether any of sqlite libpng bzip2 xz libffi is installed as
> or will be installed as SPKG... no
> > > checking for python3 >= 3.7, < 3.9 with modules sqlite3, ctypes, math,
> hashlib, crypt, readline, socket, zlib, distutils.core...
> > > checking ... whether /usr/bin/python3.8 is good... no, the version is
> in the supported range, and the modules can be imported, but distutils
> cannot build a C extension
> > > checking ... whether /usr/bin/python3 is good... no, Python 3.6.9 is
> too old
> >
> > try
> > https://trac.sagemath.org/ticket/30053
> > which bans 3.6.
>
Actually, the above is obtained with the branch #30053. Otherwise, system
python 3.6 is chosen.
>
> you might need to
>
> apt install python3-distutils
>
As I wrote, this is was I did. It says it is already the most recent
version (3.6.9-1~18.04) which is installed, which seems to mean that it is
distutils for system python 3.6 not 3.8.
>
> and then
>
> ./configure PYTHON3=/usr/bin/python3.8
>
I can try that, but I think it will not work since "distutils cannot build
a C extension" in my system python 3.8.
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