Bug#913058: libc++1-7,libc++1-8: both ship libc++.so.1{,.0}

[Sylvestre Ledru]

Le 06/11/2018 à 14:34, Andreas Beckmann a écrit :
> Package: libc++1-7,libc++1-8
> Severity: serious
> User: debian-qa at lists.debian.org
> Usertags: piuparts
> 
> Hi,
> 
> during a test with piuparts I noticed your package failed to install
> because it tries to overwrite other packages files without declaring a
> Breaks+Replaces relation.
> 
> See policy 7.6 at
> https://www.debian.org/doc/debian-policy/ch-relationships.html#overwriting-files-and-replacing-packages-replaces
> 
>  From the attached log (scroll to the bottom...):
> 
>    Selecting previously unselected package libc++abi1-8:amd64.
>    Preparing to unpack .../libc++abi1-8_1%3a8~svn343154-1_amd64.deb ...
>    Unpacking libc++abi1-8:amd64 (1:8~svn343154-1) ...
>    dpkg: error processing archive /var/cache/apt/archives/libc++abi1-8_1%3a8~svn343154-1_amd64.deb (--unpack):
>     trying to overwrite '/usr/lib/x86_64-linux-gnu/libc++abi.so.1', which is also in package libc++abi1-7:amd64 1:7-8
>    Selecting previously unselected package libc++1-8:amd64.
>    Preparing to unpack .../libc++1-8_1%3a8~svn343154-1_amd64.deb ...
>    Unpacking libc++1-8:amd64 (1:8~svn343154-1) ...
>    dpkg: error processing archive /var/cache/apt/archives/libc++1-8_1%3a8~svn343154-1_amd64.deb (--unpack):
>     trying to overwrite '/usr/lib/x86_64-linux-gnu/libc++.so.1', which is also in package libc++1-7:amd64 1:7-8
>    Errors were encountered while processing:
>     /var/cache/apt/archives/libc++abi1-8_1%3a8~svn343154-1_amd64.deb
>     /var/cache/apt/archives/libc++1-8_1%3a8~svn343154-1_amd64.deb
> 
> 
> You probably want to use C/R/B on a virtual package similar to what is
> done in python-clang-7:
> 
>    Conflicts+Replaces+Provides: libc++1-x.y
> 
> 
yeah, this is fixed in 7. I need to upload -8 to fix that.
https://salsa.debian.org/pkg-llvm-team/llvm-toolchain/blob/7/debian/control#L488

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