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Bug#796925: marked as done (transition: opencolorio)

Your message dated Mon, 7 Sep 2015 14:13:56 +0200
with message-id <20150907121356.GA25387@betterave.cristau.org>
and subject line Re: Bug#796925: opencolorio: library transition needed with GCC 5 as default
has caused the Debian Bug report #796925,
regarding transition: opencolorio
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
796925: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=796925
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Source: opencolorio
Version: 1.0.9~dfsg0-3
Severity: serious
Tags: sid stretch
User: debian-gcc@lists.debian.org
Usertags: libstdc++-cxx11

Hi,

your library exposes std::string or std::list in its public API, and
therefore the library package needs to be renamed.

Specifically I'm concerned about the string member of
OpenColorIO::Exception; probably safer overall to rename the package.

Cheers,
Julien

The following is a form letter:

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 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. 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/gcc5-20150813/
   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.

 - If there are no symbols matching __cxx11 or B5cxx11 in the symbols
   forming the library API, you should close this issue with a short
   explanation.
 
 - If there are no reverse dependencies, it should be the package
   maintainers decision if a transition is needed.  However this might
   break software which is not in the Debian archive, and built
   against these packages.

 - If a library transition is needed, please prepare for the change.
   Rename the library package, append "v5" to the name of the package
   (e.g. libfoo2 -> libfoo2v5). Such a change can be avoided, if you
   have a soversion bump and you upload this version instead of the
   renamed package.  Prepare a patch and attach it to this issue (mark
   this issue with patch), so that it is possible to NMU such a
   package. We'll probably have more than hundred transitions
   triggered. Then reassign the issue to release.debian.org and
   properly tag it as a transition issue, by sending an email to
   control@bugs.debian.org:
   
     user release.debian.org@packages.debian.org
     usertag <this issue> + transition
     block <this issue> by 790756
     reassign <this issue> release.debian.org
   
 - If unsure if a transition is needed, please tag the issue with help
   to ask for feedback from other Debian developers.

The libstdc++6 transition will be a large one, and it will come with a
lot of pain.  Please help it by preparing the follow-up transitions.

[1] https://wiki.debian.org/GCC5#libstdc.2B-.2B-_ABI_transition

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--- Begin Message --- 
On Tue, Aug 25, 2015 at 22:29:06 +0200, Julien Cristau wrote:

> Source: opencolorio
> Version: 1.0.9~dfsg0-3
> Severity: serious
> Tags: sid stretch
> User: debian-gcc@lists.debian.org
> Usertags: libstdc++-cxx11
> 
libopencolorio1 is no longer in testing, closing.

Cheers,
Julien

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