From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 967A73858D28 for ; Wed, 29 Dec 2021 12:35:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 967A73858D28 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-646-B8z8bbIAND26PXSfVw83CQ-1; Wed, 29 Dec 2021 07:35:46 -0500 X-MC-Unique: B8z8bbIAND26PXSfVw83CQ-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4DE358042E0; Wed, 29 Dec 2021 12:35:45 +0000 (UTC) Received: from oldenburg.str.redhat.com (unknown [10.39.192.44]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 545F510841E2; Wed, 29 Dec 2021 12:35:44 +0000 (UTC) From: Florian Weimer To: Adhemerval Zanella Cc: Adhemerval Zanella via Libc-alpha Subject: Re: [PATCH v2] Use LFS and 64 bit time for installed programs (BZ #15333) References: <20210622172713.3504003-1-adhemerval.zanella@linaro.org> <87ilv8cvov.fsf@oldenburg.str.redhat.com> <8021a5c8-1c46-49fc-6950-6612a4a7a618@linaro.org> Date: Wed, 29 Dec 2021 13:35:42 +0100 In-Reply-To: <8021a5c8-1c46-49fc-6950-6612a4a7a618@linaro.org> (Adhemerval Zanella's message of "Wed, 29 Dec 2021 08:59:50 -0300") Message-ID: <87h7arbnc1.fsf@oldenburg.str.redhat.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.5 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_NONE, 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: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Dec 2021 12:35:49 -0000 * Adhemerval Zanella: > On 28/12/2021 17:37, Florian Weimer wrote: >> * Adhemerval Zanella via Libc-alpha: >> >>> The installed programs are built with a combination of different >>> values for MODULE_NAME, as below. To enable both Long File Support >>> and 64 bt time, -D_TIME_BITS=64 -D_FILE_OFFSET_BITS=64 is added for >>> nonlibi, nscd, lddlibc4, libresolv, ldconfig, locale_programs, >>> iconvprogs, libnss_files, libnss_compat, libnss_db, libnss_hesiod, >>> libutil, libpcprofile, and libSegFault. >> >> -D_TIME_BITS=64 does not work for building glibc because the internal >> aliases such as __fstat64 do not follow _TIME_BITS and are hard-wired to >> 32-bit time. A symptom is a broken ldconfig, e.g.: >> >> $ elf/ldconfig -p >> elf/ldconfig: mmap of cache file failed. >> : Invalid argument > > I think the real problem is the usage of internal symbol in installed > binaries, it works for LFS stat because they are either redirected to > compat xstat ones or __stat (which I think it is also error prone). > > I am fixing it by using the default stat names, installed programs > should not use proper LFS and time64. They need to be able to deal with 64-bit inode numbers, though. Thanks, Florian