From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id MztvJ65sW2CiZAAAWB0awg (envelope-from ) for ; Wed, 24 Mar 2021 12:45:34 -0400 Received: by simark.ca (Postfix, from userid 112) id 927CD1EF78; Wed, 24 Mar 2021 12:45:34 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-0.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_REPLYTO_END_DIGIT,MAILING_LIST_MULTI, RDNS_DYNAMIC,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id 31B061E54D for ; Wed, 24 Mar 2021 12:45:33 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 73C303861030; Wed, 24 Mar 2021 16:45:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 73C303861030 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1616604332; bh=1aqnFxPGQ/86lOkQfR0jv/xAYTxxA1jQ9M5OlZHi15M=; h=References:In-Reply-To:Date:Subject:To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=EK5Cqn7LA51GSYOX3Zj54yD/xsb6Xd0oH2+OnASBRmmMgHyyOkmRyIHK5nXCkNzoQ Ntdnn0FxWqGfVyMDfKa7wNzdSj7CPF7/CpwYD79NDfXsSr82rsqDqhDqOYjs8MHv/A gvxiNWMT69CdJ9rQeJMgADgFbfDYqtrRssr+ZSgo= Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) by sourceware.org (Postfix) with ESMTPS id 146613861030 for ; Wed, 24 Mar 2021 16:45:30 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 146613861030 Received: by mail-io1-xd34.google.com with SMTP id x16so22189040iob.1 for ; Wed, 24 Mar 2021 09:45:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=1aqnFxPGQ/86lOkQfR0jv/xAYTxxA1jQ9M5OlZHi15M=; b=n3mjAg8L+1G6cSAMS5oSv6g++jqC/rBSrqmpjipgrK3PqQnsK/NIqiFJUEihzoj1tl 1H10j6wcTkB/avFW8nxsIUyK7l62Ba/srJjKxpRXvyCxMDfLDY51uYrzydLywasu0p6S zXb+kZXvlrq84aISs8Fma/9+LVg8MDIosCB0iCIx0LCQTrRkcUVZbTFs+ZHrJt7YTliO 4FjhG0prOHz/acpXfvB5rJ92TfiOD6T/YXH8CTTBXQ7EXxabccpvqHNGombgXJJjaRPx Ne5h/PoNJnQtpxqowz21Va23uMQ06M4DDcCFfZ6GT7kgYtzaxt3tU5tihakssX/kQQGq 1izA== X-Gm-Message-State: AOAM532yH27qwpuef6ogKP3UAoK4fXTnZaO2tF0k7kFqG8kpMhbcaKQ7 dt6iJhO51hcrfjkXfMdkovOH4CgVZU53thRbQB4= X-Google-Smtp-Source: ABdhPJwOW8cKAZ6Uh4OIHmSGFLDRwznYF7fMSoBncIMWXkjjQ+7hN1/hHfM1GF2VpKcIenbPzClDnsLronQIDcf8VLo= X-Received: by 2002:a5e:d907:: with SMTP id n7mr3331213iop.177.1616604329595; Wed, 24 Mar 2021 09:45:29 -0700 (PDT) MIME-Version: 1.0 References: <51acf4b8-5c69-d9e4-c155-e7af083a3c33@linaro.org> In-Reply-To: <51acf4b8-5c69-d9e4-c155-e7af083a3c33@linaro.org> Date: Wed, 24 Mar 2021 19:45:18 +0300 Message-ID: Subject: Re: Broken libcc1 lookup in GDB/Ubuntu To: Luis Machado Content-Type: text/plain; charset="UTF-8" X-BeenThere: gdb@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Ruslan Kabatsayev via Gdb Reply-To: Ruslan Kabatsayev Cc: "gdb@sourceware.org" , jan.kratochvil@redhat.com, Jeff Law Errors-To: gdb-bounces@sourceware.org Sender: "Gdb" Hi, On Wed, 24 Mar 2021 at 18:15, Luis Machado via Gdb wrote: > > Hi, > > While looking at enabling the compile tests in GDB's testsuite, I > noticed GDB doesn't find the right shared library because it is looking > for a different naming pattern. > > In the case of Ubuntu 18.04/20.04, the shared library is named like so: > > /usr/lib/aarch64-linux-gnu/libcc1.so.0.0.0 > /usr/lib/aarch64-linux-gnu/libcc1.so.0 -> libcc1.so.0.0.0 "apt-file search libcc1.so" shows me that e.g. gcc-9 package (and other versions of gcc) provides the suffixless version. It's installed as a symlink into /usr/lib/gcc/aarch64-linux-gnu/9/libcc1.so . Can it not be found? > > But GDB is looking for libcc1.so in the following ways: > > #define GCC_C_FE_LIBCC libcc1.so > #define GCC_CP_FE_LIBCC libcc1.so > > So, basically, the gdb.compile tests will never be exercised > out-of-the-box, even if you install the libcc1 package. I had to add a > symlink named "libcc1.so" to make GDB happy. > > Now, I noticed there was a proposed fix for this many years ago, in the > following series: > > https://gcc.gnu.org/legacy-ml/gcc-patches/2015-04/msg01241.html > https://gcc.gnu.org/legacy-ml/gcc-patches/2015-04/msg01242.html > https://gcc.gnu.org/legacy-ml/gcc-patches/2015-04/msg01243.html > https://gcc.gnu.org/legacy-ml/gcc-patches/2015-04/msg01244.html > https://gcc.gnu.org/legacy-ml/gcc-patches/2015-04/msg01245.html > > Was this dropped for some reason? Or is this still valid and should be > pursued upstream? > > > Thanks, > Luis Regards, Ruslan