Experimental Physics and
Industrial Control System

Michael Davidsaver via Core-talk <core-talk at aps.anl.gov> · Thu, 8 Oct 2020 09:56:55 -0700

On 10/8/20 9:30 AM, Konrad, Martin via Core-talk wrote:
> Hi Ralph,
>> ITER needed to switch EPICS Base to use "-std=c++11" because without
>> that setting, linking EPICS libraries would not work for other code that
>> was compiled using C++11.
> Weird. I tried to reproduce this by building pvxs (which builds using
> -std=c++11) on CentOS 7 against EPICS 7 (built without -std=c++11).
> Works fine for me.
> 
> Are you linking against any libraries provided by a vendor as binaries?
> Is there a way we can reproduce the problem?

@Ralph  Ah, I had forgotten about this...

@Martin  This isn't a question of libstdc++, but rather of how/where
pvDataCPP gets 'shared_ptr<T>'.

https://github.com/epics-base/pvDataCPP/blob/320cc3c60b575fa49e49a21619472f01b8890049/src/misc/pv/sharedPtr.h#L62-L86

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System