From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ldv@altlinux.org>
Received: from vmicros1.altlinux.org (vmicros1.altlinux.org [194.107.17.57])
 by sourceware.org (Postfix) with ESMTP id 60E573858D39
 for <elfutils-devel@sourceware.org>; Tue,  9 Nov 2021 09:10:00 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 60E573858D39
Authentication-Results: sourceware.org;
 dmarc=none (p=none dis=none) header.from=altlinux.org
Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=altlinux.org
Received: from mua.local.altlinux.org (mua.local.altlinux.org [192.168.1.14])
 by vmicros1.altlinux.org (Postfix) with ESMTP id C343D72C8B8
 for <elfutils-devel@sourceware.org>; Tue,  9 Nov 2021 12:09:59 +0300 (MSK)
Received: by mua.local.altlinux.org (Postfix, from userid 508)
 id B1CDD7CFBAF; Tue,  9 Nov 2021 12:09:59 +0300 (MSK)
Date: Tue, 9 Nov 2021 12:09:59 +0300
From: "Dmitry V. Levin" <ldv@altlinux.org>
To: elfutils-devel@sourceware.org
Subject: Re: [PATCH v2] Improve building with LTO
Message-ID: <20211109090959.GB11255@altlinux.org>
References: <20210214235718.7654b5f1.alex.miller@gmx.de>
 <20210218033856.18053044.alex.miller@gmx.de>
 <20210828093143.GA720@altlinux.org>
 <20211104112320.GA732@altlinux.org>
 <d71c4620b0d3d12b29dd7ab507d2502d24c3efa9.camel@klomp.org>
 <20211108100228.GC27916@altlinux.org>
 <YYmwR57eKHPs9cU8@wildebeest.org>
 <20211109085820.GA11255@altlinux.org>
 <9eba865f-af61-6452-161c-2dc081ebae69@suse.cz>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <9eba865f-af61-6452-161c-2dc081ebae69@suse.cz>
X-Spam-Status: No, score=-6.6 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS,
 SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on
 server2.sourceware.org
X-BeenThere: elfutils-devel@sourceware.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Elfutils-devel mailing list <elfutils-devel.sourceware.org>
List-Unsubscribe: <https://sourceware.org/mailman/options/elfutils-devel>,
 <mailto:elfutils-devel-request@sourceware.org?subject=unsubscribe>
List-Archive: <https://sourceware.org/pipermail/elfutils-devel/>
List-Help: <mailto:elfutils-devel-request@sourceware.org?subject=help>
List-Subscribe: <https://sourceware.org/mailman/listinfo/elfutils-devel>,
 <mailto:elfutils-devel-request@sourceware.org?subject=subscribe>
X-List-Received-Date: Tue, 09 Nov 2021 09:10:02 -0000

On Tue, Nov 09, 2021 at 10:04:57AM +0100, Martin Liška wrote:
> On 11/9/21 09:58, Dmitry V. Levin wrote:
> > Yes, but those who build elfutils with -flto are likely using
> > -ffat-lto-objects if they build static libraries.
> 
> Yes, I can confirm that we do that as openSUSE, we actually build with:
> 
> -flto -flto-partition=none -Wno-error=stack-usage= -ffat-lto-objects

After updating to commit elfutils-0.185-76-g039f427a you can safely drop
"-flto-partition=none" and "-Wno-error=stack-usage=" parts.


-- 
ldv