[python-committers] Re: Policy around compile-time flags in bugfix releases

2020-03-02 Thread Stefan Krah
On Sun, Mar 01, 2020 at 12:17:30PM -0800, Gregory P. Smith wrote: > FWIW that is a configure flag, not a flag to the compiler, so I see no > problem with this. The default build has not changed, it just exposes > another way to build the interpreter. We've done this in the past with > things li

[python-committers] Re: Policy around compile-time flags in bugfix releases

2020-03-01 Thread Nick Coghlan
Enabling that workaround for embedders using threads without coroutines while figuring out the real underlying contextvars issue seems like a reasonable change to make in the maintenance branches. Cheers, Nick. ___ python-committers mailing list -- pytho

[python-committers] Re: Policy around compile-time flags in bugfix releases

2020-03-01 Thread Gregory P. Smith
FWIW that is a configure flag, not a flag to the compiler, so I see no problem with this. The default build has not changed, it just exposes another way to build the interpreter. We've done this in the past with things like --enable-optimizations and such flags. In this case it appears to enable

[python-committers] Re: Policy around compile-time flags in bugfix releases

2020-03-01 Thread Antoine Pitrou
I don't know. However, it seems possible given the symptoms of the original issue (see ASAN-produced stack trace) that there is a bug when using context vars with foreign threads (in this case, C++-created): https://bugs.python.org/issue39776 Regards Antoine. Le 01/03/2020 à 11:30, Łukasz Lan