[From nobody Wed Oct 28 18:12:03 2026 Received: (at submit) by bugs.debian.org; 26 Apr 2025 19:46:21 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.6-bugs.debian.org_2005_01_02 (2021-04-09) on buxtehude.debian.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=4.0 tests=BAYES_00, BODY_INCLUDES_PACKAGE,DATE_IN_PAST_06_12,DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FVGT_m_MULTI_ODD,HAS_PACKAGE,SPF_HELO_NONE, SPF_NONE autolearn=ham autolearn_force=no version=3.4.6-bugs.debian.org_2005_01_02 X-Spam-Bayes: score:0.0000 Tokens: new, 53; hammy, 149; neutral, 31; spammy, 0. spammytokens: hammytokens:0.000-+--H*F:U*helmut, 0.000-+--H*F:D*subdivi.de, 0.000-+--H*RU:sk:helmut@, 0.000-+--H*rp:U*helmut, 0.000-+--H*rp:D*subdivi.de Return-path: <helmut@subdivi.de> Received: from isilmar-4.linta.de ([136.243.71.142]:46170) by buxtehude.debian.org with esmtps (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.94.2) (envelope-from <helmut@subdivi.de>) id 1u8lTg-005lt1-Jn for submit@bugs.debian.org; Sat, 26 Apr 2025 19:46:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=subdivi.de; s=k15.isilmar-4; t=1745696777; bh=29g2e6EYy4gAPz2qtBvj+ZooEHwGuatOelaa+x3ktYA=; h=Date:From:To:Subject:From; b=OzEp9Mcm9N6TIH71hTQtkUv/6v6iJ3s9a3htJy7693WCpsrm1XRydtxWyfK940G/k vro4YK+WUqYNlnBTFZz60IwWa/Jgu8G3fP6BNzOAR5YgkC7Ro1ywcUQtq01dEnMOHT M2pa5O5OVTfbhlJThWRXgh//wqbF/t58gXW25caws9uuqBUTopOHUgz1oX0Nmh4tS2 Xz2qTnkIWfwNrjolQ4vLRidYb8rdU9m09t7WTGgnZGoYxm6nOyIsoZqJkaaq+MN0/C U5vuuJTxv73p9HGLicmzGIjidMGkPf9mPVOsMbW/2Py0iTAHkEepZ1jDc+i1IXgVCx 7r2UKMgf7NRSA== Received: from isilmar-4.linta.de (isilmar.linta [10.0.0.1]) by isilmar-4.linta.de (Postfix) with ESMTP id 96E4E200053 for <submit@bugs.debian.org>; Sat, 26 Apr 2025 19:46:17 +0000 (UTC) Date: Sat, 26 Apr 2025 15:34:17 +0200 From: Helmut Grohne <helmut@subdivi.de> To: Debian Bug Tracking System <submit@bugs.debian.org> Subject: libc++-18-dev fails to coinstall Message-ID: <20250426133417.GA17143@subdivi.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Reportbug-Version: 13.1.0 Delivered-To: submit@bugs.debian.org Package: libc++-18-dev,libunwind-18-dev,libc++abi1-18,libc++abi-18-dev,libunwind-18 Version: 1:18.1.8-18 Severity: serious User: debian-qa@lists.debian.org Usertags: fileconflict libc++-18-dev explicitly declares the ability to coinstall via Multi-Arch: same. Attempting to do this practically fails though. $ mmdebstrap --variant=essential --verbose unstable /dev/null --architectures=amd64,i386 --include=libc++-18-dev,libc++-18-dev:i386 ... Selecting previously unselected package libunwind-18:i386. Preparing to unpack .../09-libunwind-18_1%3a18.1.8-18_i386.deb ... Unpacking libunwind-18:i386 (1:18.1.8-18) ... dpkg: error processing archive /tmp/apt-dpkg-install-869OWv/09-libunwind-18_1%3a18.1.8-18_i386.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-18/lib/libunwind.so.1.0', which is different from other instances of package libunwind-18:i386 Selecting previously unselected package libc++abi1-18:i386. Preparing to unpack .../10-libc++abi1-18_1%3a18.1.8-18_i386.deb ... Unpacking libc++abi1-18:i386 (1:18.1.8-18) ... dpkg: error processing archive /tmp/apt-dpkg-install-869OWv/10-libc++abi1-18_1%3a18.1.8-18_i386.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-18/lib/libc++abi.so.1.0', which is different from other instances of package libc++abi1-18:i386 Selecting previously unselected package libc++1-18:i386. Preparing to unpack .../11-libc++1-18_1%3a18.1.8-18_i386.deb ... Unpacking libc++1-18:i386 (1:18.1.8-18) ... dpkg: error processing archive /tmp/apt-dpkg-install-869OWv/11-libc++1-18_1%3a18.1.8-18_i386.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-18/lib/libc++.so.1.0', which is different from other instances of package libc++1-18:i386 Selecting previously unselected package libc++abi-18-dev:i386. Preparing to unpack .../12-libc++abi-18-dev_1%3a18.1.8-18_i386.deb ... Unpacking libc++abi-18-dev:i386 (1:18.1.8-18) ... dpkg: error processing archive /tmp/apt-dpkg-install-869OWv/12-libc++abi-18-dev_1%3a18.1.8-18_i386.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-18/lib/libc++abi.a', which is different from other instances of package libc++abi-18-dev:i386 Selecting previously unselected package libunwind-18-dev:i386. Preparing to unpack .../13-libunwind-18-dev_1%3a18.1.8-18_i386.deb ... Unpacking libunwind-18-dev:i386 (1:18.1.8-18) ... dpkg: error processing archive /tmp/apt-dpkg-install-869OWv/13-libunwind-18-dev_1%3a18.1.8-18_i386.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-18/lib/libunwind.a', which is different from other instances of package libunwind-18-dev:i386 Selecting previously unselected package libc++-18-dev:i386. Preparing to unpack .../14-libc++-18-dev_1%3a18.1.8-18_i386.deb ... Unpacking libc++-18-dev:i386 (1:18.1.8-18) ... dpkg: error processing archive /tmp/apt-dpkg-install-869OWv/14-libc++-18-dev_1%3a18.1.8-18_i386.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-18/lib/libc++.a', which is different from other instances of package libc++-18-dev:i386 Errors were encountered while processing: /tmp/apt-dpkg-install-869OWv/09-libunwind-18_1%3a18.1.8-18_i386.deb /tmp/apt-dpkg-install-869OWv/10-libc++abi1-18_1%3a18.1.8-18_i386.deb /tmp/apt-dpkg-install-869OWv/11-libc++1-18_1%3a18.1.8-18_i386.deb /tmp/apt-dpkg-install-869OWv/12-libc++abi-18-dev_1%3a18.1.8-18_i386.deb /tmp/apt-dpkg-install-869OWv/13-libunwind-18-dev_1%3a18.1.8-18_i386.deb /tmp/apt-dpkg-install-869OWv/14-libc++-18-dev_1%3a18.1.8-18_i386.deb E: Sub-process env returned an error code (1) ... $ Given the freeze timing, I recommend dropping the Multi-Arch declaration instead of attempting to move files around. Helmut ]