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From: Florian Weimer <fweimer@redhat.com>
To: "Arsen Arsenović" <arsen@aarsen.me>
Cc: gcc@gcc.gnu.org
Subject: Re: Triggering -save-temps from the front-end code
Date: Mon, 28 Nov 2022 14:14:26 +0100	[thread overview]
Message-ID: <87pmd7rzkd.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <86edtnjkln.fsf@aarsen.me> ("Arsen =?utf-8?Q?Arsenovi=C4=87?= =?utf-8?Q?=22's?= message of "Mon, 28 Nov 2022 14:02:28 +0100")

* Arsen Arsenović:

> Hi,
>
> Florian Weimer via Gcc <gcc@gcc.gnu.org> writes:
>
>> Unfortunately, some build systems immediately delete the input source
>> files.  Is there some easy way I can dump the pre-processed and
>> non-preprocessed sources to my log file?  I tried to understand how
>> -save-temps for crash recovery works, but it seems that this runs
>> outside of the frontend, in the driver.
>
> Would dumping unconditionally into some "side channel" -dumpdir be a
> sufficient workaround?

Of the file names overlap, and it seems in this case, the dump files are
just overwritten.  I don't see a way to make the file names unique.

I guess for the tough cases, I can just keep running the build under
strace.

Thanks,
Florian


  reply	other threads:[~2022-11-28 13:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-28 11:28 Florian Weimer
2022-11-28 11:44 ` Richard Biener
2022-11-28 13:02 ` Arsen Arsenović
2022-11-28 13:14   ` Florian Weimer [this message]
2022-11-28 17:18     ` Marc Glisse

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