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Re: Emacs AngeFTP fails on macOS 10.14 with GNU inetutils FTP


From: Simon Josefsson
Subject: Re: Emacs AngeFTP fails on macOS 10.14 with GNU inetutils FTP
Date: Tue, 25 May 2021 14:24:13 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux)

Alex Bochannek <alex@bochannek.com> writes:

>> Probably gnulib's m4/readline.m4 should detect that this particular
>> libreadline is not usable, but I wonder exactly what is wrong with it
>> (and how to detect that).  Maybe it is possible to make it work (the
>> problem still seems related to stdin/stdout buffering somehow -- but
>> that is just a guess).
>
> Agreed. If you have any changes you would like me try out or suggestions
> for how to debug, I am happy to keep looking.

I don't really know what to try -- debugging stdin/stdout and
sub-process behaviour is tricky.  If you can reproduce any difference
between libreadline-ftp and libedit-ftp in some other way, that may
help.  It could also be a bug in emacs.  FWIW, I found a Mac and was
able to build inetutils on it and as you said, ftp works fine
standalone.  If you don't come up with anything more, having this e-mail
thread document the behaviour is a good result anyway, in case anyone
else discovers it in the future.

/Simon

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