[Pkg-kde-extras] Bug#791135: libktorrent: library transition may be needed when GCC 5 is the default

[Mehdi Dogguy]

Control: tag -1 + confirmed
Control: severity -1 serious

On Fri, Jul 03, 2015 at 01:11:39PM +0000, Matthias Klose <doko at debian.org> wrote:
> Package: src:libktorrent
> Version: 1.3.1-3
> Severity: important
> Tags: sid stretch
> User: debian-gcc at lists.debian.org
> Usertags: libstdc++-cxx11
> 
> Background [1]: libstdc++6 introduces a new ABI to conform to the
> C++11 standard, but keeps the old ABI to not break existing binaries.
> Packages which are built with g++-5 from experimental (not the one
> from testing/unstable) are using the new ABI.  Libraries built from
> this source package export some of the new __cxx11 or B5cxx11 symbols,
> and dropping other symbols.  If these symbols are part of the API of
> the library, then this rebuild with g++-5 will trigger a transition
> for the library.
> 
> What is needed:
> 
>  - Rebuild the library using g++/g++-5 from experimental. Note that
>    most likely all C++ libraries within the build dependencies need
>    a rebuild too. You can find the log for a rebuild in
>      https://people.debian.org/~doko/logs/gcc5-20150701/
>    Search for "BEGIN GCC CXX11" in the log.
> 
>  - Decide if the symbols matching __cxx11 or B5cxx11 are part of the
>    library API, and are used by the reverse dependencies of the
>    library.
> 

AFAICS, std::list is used and exposed in the API. Thus, libktorrent5
needs to be updated.

Regards,

-- 
Mehdi Dogguy