Bug#1076131: libllvm18: declares itself as MA: same but is not co-installable

[Sebastian Ramacher]

Control: clone -1 -2
Control: reopen -2
Control: reassign -2 libllvm19 1:19.1.0~++rc4-4
Control: retitle -2 libllvm19: declares itself as MA: same but is not co-installable

On 2024-07-11 10:34:08 +0200, Sebastian Ramacher wrote:
> Package: libllvm18
> Version: 1:18.1.8-2
> Severity: serious
> X-Debbugs-Cc: sramacher at debian.org
> 
> While libllvm18 declares itself to be MA: same, this is no longer the
> case:
> 
> # apt install libllvm18:amd64 libllvm18:i386
> libllvm18 is already the newest version (1:18.1.8-2).
> Installing:
>   libllvm18:i386
> 
> Summary:
>   Upgrading: 0, Installing: 1, Removing: 0, Not Upgrading: 0
>   Download size: 0 B / 29.0 MB
>   Space needed: 140 MB / 1091 GB available
> 
> Continue? [Y/n] 
> debconf: delaying package configuration, since apt-utils is not installed
> (Reading database ... 16581 files and directories currently installed.)
> Preparing to unpack .../libllvm18_1%3a18.1.8-2_i386.deb ...
> Unpacking libllvm18:i386 (1:18.1.8-2) ...
> dpkg: error processing archive /var/cache/apt/archives/libllvm18_1%3a18.1.8-2_i386.deb (--unpack):
>  trying to overwrite shared '/usr/lib/llvm-18/lib/libLLVM-18.so.1', which is different from other instances of package libllvm18:i386
> Errors were encountered while processing:
>  /var/cache/apt/archives/libllvm18_1%3a18.1.8-2_i386.deb
> Error: Sub-process /usr/bin/dpkg returned an error code (1)
> 
> Taking into account the usual reverse dependencies of llvm (such as
> mesa), having a co-installable libllvm18 is a requirement. I am filing
> this bug as serious as member of the RT. Please do not downgrade the
> severity of this bug before contacting the release team.

The bug is back with libllvm19. Cloneing and reopning it for libllvm19.

Cheers
-- 
Sebastian Ramacher