From: Jeff Law <law@redhat.com>
To: Eric Botcazou <ebotcazou@adacore.com>, Martin Sebor <msebor@gmail.com>
Cc: gcc@gcc.gnu.org
Subject: Re: is re-running bootstrap after a change safe?
Date: Fri, 05 Apr 2019 21:29:00 -0000 [thread overview]
Message-ID: <c60d4477-1354-5a3b-23f4-95d09e0e4bcd@redhat.com> (raw)
In-Reply-To: <2209859.RYDReTFH8C@polaris>
On 4/5/19 2:50 PM, Eric Botcazou wrote:
>> Say if the first bootstrap succeeds and I then change a single
>> GCC .c file and rerun make bootstrap, am I guaranteed to see
>> the same fallout of the change as I would if I did a pristine
>> build in a clean directory?
>
> No, this would imply deleting the stage2 and stage3 compilers and that isn't
> what happens. Instead the compiler of each stage is updated in isolation.
>
RIght. Thus I always blow away stage2-* stage3-*, and stage1 target
directories along with the "compare" stamp file.
Jeff
next prev parent reply other threads:[~2019-04-05 21:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-05 19:55 Martin Sebor
2019-04-05 20:01 ` H.J. Lu
2019-04-05 20:50 ` Eric Botcazou
2019-04-05 21:29 ` Jeff Law [this message]
2019-04-05 21:37 ` Martin Sebor
2019-04-05 22:02 ` Jeff Law
2019-04-05 23:08 ` Martin Sebor
2019-04-06 6:40 ` Andreas Schwab
2019-04-08 9:20 ` Richard Biener
2019-04-08 12:59 ` Jeff Law
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