[issue38877] Python 3.9 build fails under Debian 9.11

[Ned Deily]

Ned Deily  added the comment:

Glad you got it working.  In general, it is probably a good idea to do a "make 
clean" before or after re-running ./configure in a particular build directory.  
 Ideally, the Makefile dependencies should detect and do the right thing 
automatically so that a manual "make clean" would not be necessary but, with as 
complicated a build system as we have, that goal might be unrealistic (PRs 
welcome though!). In any case adding something to the devguide steps would also 
be a good idea. Again, an issue and/or a PR against the devguide would be 
welcome (https://github.com/python/devguide).

--
resolution:  -> not a bug
stage:  -> resolved
status: open -> closed

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[issue38877] Python 3.9 build fails under Debian 9.11

[Florian Dahlitz]

Florian Dahlitz  added the comment:

My commands were as follows:

$ ./configure
$ make &> output_without.txt
$ ./configure --enable-optimizations
$ make &> output.txt

Doing a make clean before each make resolved the issue. Thanks Ned!
I searched through the README.md on GitHub and found a note about make clean. 
However, the Developer's Guide at python.org doesn't mention it in the Quick 
References. Should it be added?

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[issue38877] Python 3.9 build fails under Debian 9.11

[Ned Deily]

Ned Deily  added the comment:

What ./configure options did you use?  Did you do a make clean or equivalent 
between the two build attempts?  If you used --enable-shared, try without it.

--
nosy: +ned.deily

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[issue38877] Python 3.9 build fails under Debian 9.11

[Florian Dahlitz]

Change by Florian Dahlitz :


Added file: https://bugs.python.org/file48730/output_without.txt

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[issue38877] Python 3.9 build fails under Debian 9.11

[Florian Dahlitz]

New submission from Florian Dahlitz :

Today, I tried to build Python 3.9 from source, which failed. Building it 
without optimizations enabled fails due to an Segmentation fault 
(output_without.txt) and building with optimizations fails with a profile-opt 
error (output.txt).

$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:Debian GNU/Linux bullseye/sid
Release:9.11
Codename:   stretch

--
components: Build
files: output.txt
messages: 357168
nosy: DahlitzFlorian
priority: normal
severity: normal
status: open
title: Python 3.9 build fails under Debian 9.11
type: compile error
versions: Python 3.9
Added file: https://bugs.python.org/file48729/output.txt

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