GNU bug report logs - #13775
24.3.50; Omissions in documentation for crash reporting

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From: Dmitry Gutov <dgutov <at> yandex.ru>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 13775 <at> debbugs.gnu.org, schwab <at> linux-m68k.org
Subject: bug#13775: 24.3.50; Omissions in documentation for crash reporting
Date: Sat, 23 Feb 2013 02:00:30 +0400

On 23.02.2013 1:44, Eli Zaretskii wrote:
>> Date: Sat, 23 Feb 2013 01:26:21 +0400
>> From: Dmitry Gutov <dgutov <at> yandex.ru>
>> CC: Eli Zaretskii <eliz <at> gnu.org>, 13775 <at> debbugs.gnu.org
>>
>> On 22.02.2013 13:37, Andreas Schwab wrote:
>>> Dmitry Gutov <dgutov <at> yandex.ru> writes:
>>>
>>>> 'CFLAGS="-g3" make' doesn't.
>>>
>>> As expected and documented.
>>>
>>>> 'make CFLAGS="-g3"' does work, but AFAIK that's not the usual way of
>>>> binding an environment variable value.
>>>
>>> This is wrong.  Environment variables never override makefile variables.
>>
>> Sorry, what's wrong, exactly? My expectations, my retelling, or the way
>> it actually works?
>
> Your expectations that putting a variable into the environment will
> override Make variable that is assigned in the Makefile.  (If a
> variable is not assigned in the Makefile, but used by one of its
> rules, Make will use the value in the environment.)

I expected it may get picked up in some special way. ./configure does 
that, after all, and it also shells out during execution.

> And anyway, 'CFLAGS="-g3" make' doesn't export CFLAGS into the
> environment of programs run by the shell, so this method is simply
> wrong, for reasons that have nothing to do with Emacs.

So, I was doubly wrong. Thanks for elaboration. :)

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