gcc5 and std::string

[Avi Kivity]

On 09/11/2015 04:05 PM, PICCA Frederic-Emmanuel wrote:
> Hello,
>
> First, I am maintaining the tango and pytango package in the Debian distribution.
> So during the gcc5 rebuilt I got affected by something strange, first in the tango library[1].
> Then a problem with pytango[2] which depends on tango. you will find a interesting comment in [3].
> And a small test program whcih shows the problem in [4].
>
> So I would like your opinion about this pytango FTBFS.
> It seem that gcc5.2 generate different symbols in tango (abi-cxx11)  than in pytango (no abi-cxx11).
> I do not understand why, so I am wondering if this is a bug in pytango, tango or in gcc.

This post explains it:

http://developerblog.redhat.com/2015/02/05/gcc5-and-the-c11-abi/

You need to add the define mentioned there to pytango, or remove it from 
tango, depending on your distribution's guidelines.


> thanks for your help
>
> Frédéric
>
> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=797285
> [2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=797284#57
> [3] https://lists.debian.org/debian-python/2015/09/msg00031.html
> [4] https://lists.debian.org/debian-python/2015/09/msg00032.html