On Wed, Jul 14, 2021 at 11:49:23AM +0200, David Sommerseth wrote:
>
> Hi,
>
> So I'm running some builds for the openvpn3-linux project on Fedora
> Rawhide ... And we have this little line in configure.ac:
>
> AM_PATH_PYTHON([3.5],, [:])
>
> When ./configure runs, it reports:
>
> checking for python3 version... 3.1
>
> As a colleague said, mathematically this is correct. But that
> doesn't really help. Who/what is truncating Python 3.10 to 3.1?
> And how can that be fixed? Is someone already looking into this?
It's a bug in AM_PATH_PYTHON (defined in
/usr/share/aclocal-1.16/python.m4).
AC_CACHE_CHECK([for $am_display_PYTHON version], [am_cv_python_version],
[am_cv_python_version=`$PYTHON -c "import sys;
sys.stdout.write(sys.version[[:3]])"`])
In the Python 3.10 interpreter:
>>> print(sys.version[:3])
3.1
(because the first 3 characters of the string "3.10.0b2" are "3.1")
This seems to have been fixed upstream already:
https://git.savannah.gnu.org/cgit/automake.git/tree/m4/python.m4#n89
https://git.savannah.gnu.org/cgit/automake.git/commit/m4/python.m4?id=e21d46fddd0753e66a4acda88317670fee07f3e6
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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