From: Loreno Heer <loreno.heer@bluewin.ch>
To: Eli Zaretskii <eliz@gnu.org>, Andrea Corallo <akrl@sdf.org>
Cc: 58434@debbugs.gnu.org
Subject: bug#58434: Native compile results in error if -march and -mtune are specified
Date: Tue, 11 Oct 2022 20:58:27 +0200 [thread overview]
Message-ID: <fc8e1eeb-47bb-ed56-bbb9-5a62267074b0@bluewin.ch> (raw)
In-Reply-To: <83lepme4so.fsf@gnu.org>
Specifying the architecture directly works.
I used the following snippet
cc -march=native -Q --help=target
to query which architecture native would give me then replaced it. Both
windows (nehalem) and linux (tigerlake) seem to work fine so far, but
the packages that failed to compile previously need to be reinstalled I
guess.
Thanks for the help
On 11.10.2022 17:52, Eli Zaretskii wrote:
> [Please use Reply All to keep the bug tracker on the CC list.]
>
>> Date: Tue, 11 Oct 2022 15:48:54 +0200
>> From: Loreno Heer <loreno.heer@bluewin.ch>
>>
>> (setq native-comp-compiler-options '("-O2" "-march=native" "-mtune=native"))
>>
>> in my .emacs file.
>> I wanted to speed up the installation a bit. I found the suggestion
>> here:
>> https://www.reddit.com/r/emacs/comments/prihh8/optimization_flags_for_nativecomp_whats_the/
>
> OK, so the compiler told you it doesn't support -march=native, so you
> will have to specify the exact architecture.
>
> Btw, I think you should use native-comp-driver-options for this, not
> native-comp-compiler-options. Andrea, am I right? I think GCC is
> "driver" and "compiler" means cc1, no? (If I'm right, we need to fix
> the doc strings.)
next prev parent reply other threads:[~2022-10-11 18:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-11 9:00 bug#58434: Native compile results in error if -march and -mtune are specified Loreno Heer
2022-10-11 13:40 ` Eli Zaretskii
[not found] ` <18231ac2-baca-e269-0f51-3c34e3283ea3@bluewin.ch>
2022-10-11 15:52 ` Eli Zaretskii
2022-10-11 18:58 ` Loreno Heer [this message]
2022-10-11 19:43 ` Andrea Corallo
2022-10-12 4:55 ` Eli Zaretskii
2022-10-12 7:13 ` Loreno Heer
2022-10-12 7:29 ` Eli Zaretskii
2022-10-12 10:35 ` Loreno Heer
2022-10-12 11:45 ` Andrea Corallo
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