From: Ian Lance Taylor <iant@google.com>
To: Andrew Pinski <pinskia@gmail.com>
Cc: gcc-patches@gcc.gnu.org, gcc@gcc.gnu.org
Subject: Re: PATCH RFA: Build stages 2 and 3 with C++
Date: Sat, 16 Jul 2011 07:48:00 -0000 [thread overview]
Message-ID: <mcrfwm63dut.fsf@coign.corp.google.com> (raw)
In-Reply-To: <CA+=Sn1k8qQs8C04rRFXUfTwD3ZLWu5Gt0iMLRoAZWh0NDm9vJA@mail.gmail.com> (Andrew Pinski's message of "Fri, 15 Jul 2011 23:56:25 -0700")
Andrew Pinski <pinskia@gmail.com> writes:
> On Fri, Jul 15, 2011 at 11:52 PM, Ian Lance Taylor <iant@google.com> wrote:
>> I would like to propose this patch as a step toward building gcc using a
>> C++ compiler. This patch builds stage1 with the C compiler as usual,
>> and defaults to building stages 2 and 3 with a C++ compiler built during
>> stage 1. This means that the gcc installed and used by most people will
>> be built by a C++ compiler. This will ensure that gcc is fully
>> buildable with C++, while retaining the ability to bootstrap with only a
>> C compiler, not a C++ compiler. This will permit us to experiment with
>> optionally using C++ for some code, using a #ifdef to select the C
>> implementation or the C++ implementation.
>>
>> I would suggest that we consider releasing 4.7 this way, as a small
>> trial for building gcc with C++.
>
> Do you build libstdc++ at stage1 also? That is what happens if you
> don't have a C++ compiler to begin with.
Yes. With this patch, we build cc1plus at stage 1, and use it to build
libstdc++ at stage 1, and use both to build stage 2.
Ian
next prev parent reply other threads:[~2011-07-16 7:05 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-16 6:56 Ian Lance Taylor
2011-07-16 7:05 ` Andrew Pinski
2011-07-16 7:48 ` Ian Lance Taylor [this message]
2011-07-16 7:59 ` Basile Starynkevitch
2011-07-17 3:17 ` Ian Lance Taylor
2011-07-16 16:11 ` Diego Novillo
2011-07-16 22:58 ` Ian Lance Taylor
2011-07-17 10:36 ` Richard Guenther
2011-07-17 12:21 ` Eric Botcazou
2011-07-17 16:55 ` Richard Guenther
2011-07-17 17:55 ` Markus Trippelsdorf
2011-07-17 22:37 ` Markus Trippelsdorf
2011-09-04 17:20 ` Thomas Schwinge
2011-07-16 20:40 ` Toon Moene
2011-07-19 21:33 ` Ian Lance Taylor
2011-07-19 22:24 ` Gabriel Dos Reis
2011-07-20 0:46 ` H.J. Lu
2011-07-20 1:15 ` H.J. Lu
2011-07-20 6:28 ` David Edelsohn
2011-07-20 9:34 ` Jonathan Wakely
2011-07-20 11:02 ` Jonathan Wakely
2011-07-20 12:41 ` David Edelsohn
2011-07-20 12:48 ` Richard Guenther
2011-07-20 14:07 ` Diego Novillo
2011-07-20 14:34 ` Ian Lance Taylor
2011-07-20 15:35 ` Jonathan Wakely
2011-07-20 15:06 ` Toon Moene
2011-07-20 15:23 ` Ian Lance Taylor
2011-07-20 15:53 ` David Edelsohn
2011-07-20 15:55 ` Ian Lance Taylor
2011-07-20 20:05 ` David Edelsohn
2011-07-20 20:53 ` Ian Lance Taylor
2011-07-20 21:06 ` Mike Stump
2011-07-21 0:10 ` Ian Lance Taylor
2011-07-21 9:40 ` Basile Starynkevitch
2011-07-21 16:06 ` Ian Lance Taylor
2011-07-21 17:44 ` Jakub Jelinek
2011-07-21 19:40 ` Ian Lance Taylor
2011-07-21 20:12 ` Basile Starynkevitch
2011-07-21 22:38 ` Ian Lance Taylor
2011-07-21 6:57 ` David Edelsohn
2011-07-21 7:25 ` Eric Botcazou
2011-07-21 14:24 ` David Edelsohn
2011-07-20 17:58 ` Thomas Schwinge
2011-07-20 21:41 ` Toon Moene
2011-07-31 23:20 ` Marc Glisse
2011-08-01 9:14 ` Richard Guenther
2011-08-01 9:53 ` Joseph S. Myers
2011-08-01 9:59 ` Richard Guenther
2011-08-01 10:05 ` Marc Glisse
2011-08-08 17:42 ` Romain Geissler
2011-08-08 18:49 ` Ian Lance Taylor
2011-08-08 19:40 ` Romain Geissler
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