From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 93-97-173-237.zone5.bethere.co.uk ([93.97.173.237] helo=tim.rpsys.net) by linuxtogo.org with esmtp (Exim 4.72) (envelope-from ) id 1SB6K0-0006BY-RW for openembedded-core@lists.openembedded.org; Fri, 23 Mar 2012 16:22:33 +0100 Received: from localhost (localhost [127.0.0.1]) by tim.rpsys.net (8.13.6/8.13.8) with ESMTP id q2NFDaWS028766 for ; Fri, 23 Mar 2012 15:13:36 GMT Received: from tim.rpsys.net ([127.0.0.1]) by localhost (tim.rpsys.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 28271-06 for ; Fri, 23 Mar 2012 15:13:32 +0000 (GMT) Received: from [192.168.3.10] ([192.168.3.10]) (authenticated bits=0) by tim.rpsys.net (8.13.6/8.13.8) with ESMTP id q2NFDRPo028760 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO) for ; Fri, 23 Mar 2012 15:13:28 GMT Message-ID: <1332515611.9740.428.camel@ted> From: Richard Purdie To: Patches and discussions about the oe-core layer Date: Fri, 23 Mar 2012 15:13:31 +0000 In-Reply-To: References: <4DCCC4C4-51F4-43CF-ACF2-BF3D2BAD7BDC@dominion.thruhere.net> <1332506475.9740.409.camel@ted> X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 X-Virus-Scanned: amavisd-new at rpsys.net Subject: Re: sstate reuse for -native, -cross across different host glibc version, how to make it work? X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: Patches and discussions about the oe-core layer List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Mar 2012 15:22:33 -0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit On Fri, 2012-03-23 at 07:12 -0700, Chris Larson wrote: > On Fri, Mar 23, 2012 at 5:41 AM, Richard Purdie > wrote: > > On Fri, 2012-03-23 at 13:22 +0100, Koen Kooi wrote: > >> I turned on sstate mirroring for angstrom recently and I'm getting > >> reports of build failures due to missing GLIBC_2.14 symbols: > >> > >> arm-angstrom-linux-gnueabi-gcc: /lib/x86_64-linux-gnu/libc.so.6: > >> version `GLIBC_2.14' not found (required by > >> arm-angstrom-linux-gnueabi-gcc) > >> > >> The sstate tarballs are built on a Fedora16 VM and the breakage occurs > >> when it being used on systems with an older c library (e.g. debian). > >> To get rid of this problem there are multiple options, but I think the > >> 2 most obvious are: > >> > >> 1) inject host distroname and distroversion into the checksums > >> 2) build everything against a native libc > >> > > 3) Use an older version on the VM which is the oldest distro you plan to > > build against. > > > >> Would it be appropriate to get 1) into oe-core before the branchpoint? > > > > We've talked about this and its been on the "to fix" list but nobody has > > got around to it. Its hard as we need to come up with something that > > isn't going to kill performance of the checksum calculations. A cat > > operation on a few files for each checksum for example isn't > > appropriate. We may need to do something at the bitbake level as there > > is also the issue of checksuming local files such as those in file:// > > urls and including that in the sstate checksums. > > > > So whilst I'd love to see fixes for these and they are bugfixes, they're > > going to have to be well written patches and its late in cycle for > > invasive changes :(. > > At Mentor, right now, I'm using a ConfigParsed event handler to run > lsb_release and inject the DISTRO/DISTRO_VERSION into the metadata, > which I then use vardeps to ensure get into the appropriate > signatures. Not perfect, but gets the job done. Are those patches available anywhere we can look at? Cheers, Richard