configure python problem.

[Andrew Bartlett]

On Mon, 2018-12-17 at 22:17 +0100, Ralph Böhme via samba-technical
wrote:
> On Mon, Dec 17, 2018 at 01:07:12PM -0800, Jeremy Allison via samba-technical wrote:
> > After most recent git update in master.
> > 
> > Previously working system.
> > 
> > git clean -d -f -x
> > 
> > buildtools/bin/waf configure --enable-pthreadpool --with-acl-support --enable-developer --enable-selftest --picky-developer --accel-aes=intelaesni
> > 
> > Checking for python version >= 2.6.0                                              : 3.5.4
> > python-config                                                                     : not found
> > Checking for library python3.5m in LIBDIR                                         : not found
> > Checking for library python3.5m in python_LIBPL                                   : yes
> > Checking for header Python.h                                                      : Distutils not installed? Broken python installation? Get python-config now!
> > 
> > However:
> > 
> > $ python-config
> > Usage: /usr/bin/python-config --prefix|--exec-prefix|--includes|--libs|--cflags|--ldflags|--extension-suffix|--help|--configdir
> > 
> > What got broken ? What am I missing ?
> 
> Just ran into this today too. After installing python3-devel configure was happy 
> again.
> 
> Looks like we require Python 3 much earlier then anticipated. :)))

No, it is just the default now.

> Can anyone of the Python gurus please take a look? Or is this expected?

It is expected and and is documented in the WHATSNEW.txt:

> python3 support
> ---------------
> 
> The version of python which is now the default for samba is python3.
> 'configure' & 'make' will execute using python3. It is possible to still
> specify an additional python version with '--extra-python'
> e.g. '--extra-python=/usr/bin/python2'. It should be noted that support for
> this option will be deprecated in a future release.
> 
> What if I need to build with python2? To build with python2 you *must* set
> the 'PYTHON' environent variable to override the python3 default for both
> 'configure' and 'make' steps.
> 
>    'PYTHON=python2 ./configure.developer'
> &
>    'PYTHON=python2 make'
> 
> Note: Support for python2 (with the exception of a build configured with
>       'PYTHON=python2 ./configure --disable-python' and built with
>       'PYTHON=python2 make' will be deprecated in the next release.
> 

I trust this clarifies things.

On the message, sadly that is in waf under third_party, not our code,
so it won't be as simple as just improving the string. 

Sorry,

Andrew Bartlett
-- 
Andrew Bartlett
https://samba.org/~abartlet/
Authentication Developer, Samba Team         https://samba.org
Samba Development and Support, Catalyst IT   
https://catalyst.net.nz/services/samba