Your message dated Sat, 26 Sep 2015 19:51:51 +0200
with message-id <[email protected]>
and subject line Re: Bug#798008: yaml-cpp: library transition needed with GCC 5
as default
has caused the Debian Bug report #798008,
regarding yaml-cpp: library transition needed with GCC 5 as default
to be marked as done.
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798008: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=798008
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--- Begin Message ---
Source: yaml-cpp
Version: 0.5.2-1
Severity: serious
Tags: sid stretch
User: [email protected]
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.
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
[email protected]:
user [email protected]
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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--- End Message ---
--- Begin Message ---
Version: 0.5.2-2
On Fri, 4 Sep 2015 13:40:35 +0100 Simon McVittie <[email protected]> wrote:
> Control: tags 798008 + patch pending
>
> On Fri, 04 Sep 2015 at 14:18:50 +0200, Julien Cristau wrote:
> > Then reassign the issue to release.debian.org and
> > properly tag it as a transition issue
>
> This was already done, <http://bugs.debian.org/791317> (but I thought
> you'd stopped wanting people to do this and started wanting people to
> just upload and close the bug in any case).
>
> There's a patch from a maintainer on that bug, which I have built locally
> and build-tested with librime. It's ready for sponsored upload, unless you
> want me to hold off because of the previous ABI break in
> <https://bugs.debian.org/784207>.
>
> Please let me know whether I should upload or do something else.
This was uploaded and transitioned. Let's close it.
Emilio
--- End Message ---
