Bug#790977: alglib: library transition may be needed when GCC 5 is the default

[Julien Cristau]

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

On Fri, Jul  3, 2015 at 13:08:50 +0000, Matthias Klose wrote:

>  - 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.
> 
The rebuild with new libstdc++ causes a lot of renamed symbols, so
libalglib3.9 needs to be renamed.

A possible patch is available at
https://launchpad.net/ubuntu/+source/alglib/3.9.0-2ubuntu1

Cheers,
Julien
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