Public bug reported: I have a private debian package that needs both amd64 and i386 version of libc++1-7. When I install it, the amd64 version gets installed first, and the i386 version fails to install because it tries to overwrite files from the amd64 version.
This work(s/ed) for libc++1_6.0-2, where both versions can be installed at the same time. sudo apt install libc++1-7 libc++1-7:i386 Reading package lists... Done Building dependency tree Reading state information... Done The following additional packages will be installed: libc++abi1-7 libc++abi1-7:i386 Suggested packages: clang clang:i386 The following packages will be REMOVED: libc++1 libc++1:i386 libc++abi1 libc++abi1:i386 The following NEW packages will be installed: libc++1-7 libc++1-7:i386 libc++abi1-7 libc++abi1-7:i386 0 upgraded, 4 newly installed, 4 to remove and 0 not upgraded. Need to get 0 B/516 kB of archives. After this operation, 176 kB of additional disk space will be used. Do you want to continue? [Y/n] y dpkg: libc++1:i386: dependency problems, but removing anyway as you requested: tobyl4-image-tools depends on libc++1:i386. tobyl4-image-tools depends on libc++1:i386. (Reading database ... 401718 files and directories currently installed.) Removing libc++1:i386 (6.0-2) ... dpkg: libc++1:amd64: dependency problems, but removing anyway as you requested: tobyl4-image-tools depends on libc++1. tobyl4-image-tools depends on libc++1. Removing libc++1:amd64 (6.0-2) ... (Reading database ... 401710 files and directories currently installed.) Preparing to unpack .../libc++1-7_1%3a7-3~ubuntu0.18.04.1_i386.deb ... Unpacking libc++1-7:i386 (1:7-3~ubuntu0.18.04.1) ... Selecting previously unselected package libc++1-7:amd64. Preparing to unpack .../libc++1-7_1%3a7-3~ubuntu0.18.04.1_amd64.deb ... Unpacking libc++1-7:amd64 (1:7-3~ubuntu0.18.04.1) ... dpkg: error processing archive /var/cache/apt/archives/libc++1-7_1%3a7-3~ubuntu0.18.04.1_amd64.deb (--unpack): trying to overwrite shared '/usr/lib/llvm-7/lib/libc++.so.1.0', which is different from other instances of package libc++1-7:amd64 Errors were encountered while processing: /var/cache/apt/archives/libc++1-7_1%3a7-3~ubuntu0.18.04.1_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) ** Affects: libc++ (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838759 Title: Unable to install both amd64 and i386 version of libc++1-7 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libc++/+bug/1838759/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs