From: Richard Biener <richard.guenther@gmail.com>
To: "Martin Liška" <mliska@suse.cz>
Cc: GCC Patches <gcc-patches@gcc.gnu.org>, Jakub Jelinek <jakub@redhat.com>
Subject: Re: [RFC] [PATCH] Introduce configure flag --with-stage1-cflags.
Date: Fri, 26 May 2017 11:47:00 -0000 [thread overview]
Message-ID: <CAFiYyc0mXd8Wugs4cHUGaDRXnWdshV4NCURA4R+=3Nm=PtpFsw@mail.gmail.com> (raw)
In-Reply-To: <41109217-1bf5-b112-e783-8040196fd410@suse.cz>
On Thu, May 25, 2017 at 11:23 AM, Martin Liška <mliska@suse.cz> wrote:
> Hello.
>
> After a discussion with Richi, using adding "-O2" to STAGE1 cflags with a recent
> enough compiler can significantly speed up bootstrap. Thus I'm suggesting to
> introduce --with-stage1-cflags where one can provide such options.
I don't think this is necessary -- you can always override with STAGE1_CFLAGS.
> Apart from that, maybe it would be handy to automatically enable "-O2" when
> one has a recent compiler? Do we have an example where we detect host compiler
> and it's version?
Don't know about version but configury already detects that we use GCC, so that
knowledge should be readily available.
Richard.
>
> Martin
next prev parent reply other threads:[~2017-05-26 11:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-25 9:26 Martin Liška
2017-05-26 11:47 ` Richard Biener [this message]
2017-05-26 11:55 ` Jakub Jelinek
2017-05-26 11:59 ` Richard Biener
2017-05-26 13:02 ` Martin Liška
2017-05-26 13:19 ` Martin Liška
2017-06-19 10:51 ` Martin Liška
2017-06-19 12:30 ` Richard Biener
2017-07-31 7:48 ` Martin Liška
2017-08-25 20:49 ` Jeff Law
2017-08-28 12:55 ` Richard Biener
2017-08-30 12:19 ` Martin Liška
2017-05-29 11:35 ` Eric Botcazou
2017-05-30 7:00 ` Richard Biener
2017-05-30 10:30 ` Eric Botcazou
2017-05-30 10:33 ` Martin Liška
2017-05-30 11:12 ` Eric Botcazou
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