From: Ian Lance Taylor <iant@google.com>
To: gcc-patches@gcc.gnu.org
Cc: gcc@gcc.gnu.org
Subject: Re: PATCH RFA: Build stages 2 and 3 with C++
Date: Tue, 19 Jul 2011 21:33:00 -0000 [thread overview]
Message-ID: <mcrei1munm0.fsf@coign.corp.google.com> (raw)
In-Reply-To: <mcroc0u3ef5.fsf@coign.corp.google.com> (Ian Lance Taylor's message of "Fri, 15 Jul 2011 23:52:46 -0700")
Ian Lance Taylor <iant@google.com> writes:
> 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++.
>
> This is a big step, so I am sending the patch to both gcc@ and
> gcc-patches@ for comments.
>
> Bootstrapped and ran testsuite on x86_64-unknown-linux-gnu.
>
> Ian
>
>
> 2011-07-15 Ian Lance Taylor <iant@google.com>
>
> * configure.ac: Add --enable-build-poststage1-with-cxx. If set,
> make C++ a boot_language. Set and substitute
> POSTSTAGE1_CONFIGURE_FLAGS.
> * Makefile.tpl (POSTSTAGE1_CONFIGURE_FLAGS): New variable.
> (STAGE[+id+]_CONFIGURE_FLAGS): Add $(POSTSTAGE1_CONFIGURE_FLAGS).
> * configure, Makefile.in: Rebuild.
I got agreement from two global reviewers and no objections.
I have committed this patch.
Please let me know about any problems.
Ian
next prev parent reply other threads:[~2011-07-19 18:33 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
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 [this message]
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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