From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31394 invoked by alias); 18 Feb 2015 22:21:45 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 31358 invoked by uid 89); 18 Feb 2015 22:21:44 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,SPF_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-Spam-User: qpsmtpd, 2 recipients X-HELO: smtp.gentoo.org Received: from smtp.gentoo.org (HELO smtp.gentoo.org) (140.211.166.183) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Wed, 18 Feb 2015 22:21:43 +0000 Received: from vapier (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with SMTP id 307703407DC; Wed, 18 Feb 2015 22:21:40 +0000 (UTC) Date: Wed, 18 Feb 2015 22:21:00 -0000 From: Mike Frysinger To: "H.J. Lu" Cc: Mark Wielaard , Joel Brobecker , GCC Patches , Binutils , GDB Subject: Re: ping #3: [RFA] Add --with-libz-prefix option in config/zlib.m4 Message-ID: <20150218222140.GY544@vapier> Mail-Followup-To: "H.J. Lu" , Mark Wielaard , Joel Brobecker , GCC Patches , Binutils , GDB References: <20150218120841.GD23529@adacore.com> <20150218165457.GU544@vapier> <20150218194443.GW544@vapier> <1424291541.23458.28.camel@bordewijk.wildebeest.org> <1424295643.23458.30.camel@bordewijk.wildebeest.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="USQ0BwiCE5W4XvtQ" Content-Disposition: inline In-Reply-To: X-IsSubscribed: yes X-SW-Source: 2015-02/txt/msg00502.txt.bz2 --USQ0BwiCE5W4XvtQ Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-length: 1674 On 18 Feb 2015 13:54, H.J. Lu wrote: > On Wed, Feb 18, 2015 at 1:40 PM, Mark Wielaard wrote: > > On Wed, 2015-02-18 at 12:53 -0800, H.J. Lu wrote: > >> On Wed, Feb 18, 2015 at 12:32 PM, Mark Wielaard wrote: > >> > That doesn't seem like a smart default. And why is is Linux/x86 only? > >> > Shouldn't that be something that is done explicitly by a distro > >> > configuring binutils after making sure it actually is beneficial > >> > (debuginfo is often compressed in a different way, on the package/fi= le > >> > level or with dwz). And after making sure all tools actually work wi= th > >> > it? There are various tools that don't handle the .zdebug format like > >> > valgrind. And at least elfutils has trouble with it for ET_REL files, > >> > like kernel modules, because relocations don't actually apply anymor= e to > >> > the section data as is (but only after the decompression). > >> > >> Now it becomes a monthly topic: > >> > >> https://sourceware.org/ml/binutils/2015-01/msg00089.html > > > > Thanks, I hadn't seen that before. Alan Modra makes some good points in > > that thread why it is not a good change: > > https://sourceware.org/ml/binutils/2015-01/msg00135.html > > Do people agree with that? And/Or can the change be reverted for now > > till there is agreement it is a desirable default? >=20 > It may not be a good idea for all targets. If you find an issue > on Linux/x86, please file a bug binutils report. i think we already have the reports: multiple people don't think it should = be=20 (1) x86-specific or (2) required. don't get me wrong -- i think having sup= port=20 like this is great. that doesn't mean we should be forcing it. -mike --USQ0BwiCE5W4XvtQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature Content-length: 819 -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBAgAGBQJU5RB0AAoJEEFjO5/oN/WBuWkQAJGBlwG6JoKWxn/iXLJdD8Aa dzK5J/lvaph71ubgXwlXkX9GXEqi0sQgSFxUn0ufvTqSn9WylbIJ7qABaqgdUK7R 7KcJNQMnrcv0Qarg9jppWKXJ1Qb8d9dymbUjFYwawtWf4FFClXbYKOk7e2Ma9KgE PckmwKhNpp1o5ZxWMHGE4qfou4PVUDcb9gddZJHs32hRCesxpPiV2ytVLi5eBGJp M2u9RsTi2bqwEXwP4mklKxMfISjmhO9zSyEzBIR2guwDP4FFQmurNnkZAdC2zMki nU5SiTydmWNfmjQdE4P6HbZHGfrSbMgolrwn/y3EcW+1HMPINjlMv+o4EV03cb0c IPjnOcQa4p7qFZIhVYH7wU8cYnYT7ieOeGxQXeaAYw8UZqGL05/Sys+IKgHETD1l JTrJCjV2NDjHqPEXmoL4oXHBSv3Uc2Kb0JeTxrYq9PWIMbMYvs4Z3EAts+bTT/QZ rMl5La3EGcBeAlDxWdDl74ndSy0rXo9Syhs/50ULaZxeHYMcXY5RjfEk7ZSCA6gX 8Q1iFwaH2miUXR+Y4sfLFLxWJUCHRWdQcJvs+mCpU9qAnuhzkQWdeec4jl7BvUpA nFjXHfkF+JFOJXCTxfKDh5Wp+bshvhnAeCfZpuojNlmD9U4rN7QgmJGBc2uiGiEE qhdEfSmXpEvWH9dIoUi5 =TVVq -----END PGP SIGNATURE----- --USQ0BwiCE5W4XvtQ--