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Subject: Re: EPICS 7 Release Candidate 1
From: Mark Rivers <rivers@cars.uchicago.edu>
To: Michael Davidsaver <mdavidsaver@gmail.com>, "Peterson, Kevin M." <kmpeters@anl.gov>, "Johnson, Andrew N." <anj@aps.anl.gov>, EPICS tech-talk <tech-talk@aps.anl.gov>
Date: Wed, 6 Dec 2017 13:44:26 +0000
Hi Michael,


Following the MSDN link in your message it says that the option /std:c++14 is supported in VS2015.  In fact it says this:


The /std:c++14 and /std:c++latest options are available beginning in Visual C++ 2013 Update 3.


However, I just did some Google searching, and it appears that the line above may actually be a typo, because other sources indicate that this option was added in Visual C++ 2015 Update 3, not 2013.  That would explain why it is not working for me.


I am not sure if it is possible to update the Community Edition 2015 to Update 3, or if I need to install 2017.  Does anyone else know?


Do you plan to require using either 2010 (which works) or 2015 Update 3 or 2017 (assuming they work) for EPICS 7?  Or will the code be changed to work with these older compilers?


Mark



________________________________
From: tech-talk-bounces@aps.anl.gov <tech-talk-bounces@aps.anl.gov> on behalf of Michael Davidsaver <mdavidsaver@gmail.com>
Sent: Tuesday, December 5, 2017 9:07 PM
To: Peterson, Kevin M.; Johnson, Andrew N.; EPICS tech-talk
Subject: Re: EPICS 7 Release Candidate 1

On 12/05/2017 03:17 PM, Peterson, Kevin M. wrote:
> d:\epics7\base-7.0.1-rc1\modules\pva2pva\pdbapp\pdbgroup.h(136): note: see declaration of 'PDBGroupChannel'
> ../pdb.cpp(61): error C2664: 'std::shared_ptr<PVIFBuilder>::shared_ptr(std::shared_ptr<PVIFBuilder> &&) noexcept': cannot convert argument 1 from 'std::auto_ptr
> <PVIFBuilder>' to 'std::auto_ptr<PVIFBuilder> &&'

hmm, seems like that MSVC implementation of shared_ptr doesn't have all of the constructor overloads.
Maybe they've just jumped the gun by removing the deprecated (in c++17) form, even when building in c++98?

http://en.cppreference.com/w/cpp/memory/shared_ptr/shared_ptr

Can you try to rebuild everything in >= c++11 mode by adding the "/std" compiler flag?
When built with >= c++11 compatibility, unique_ptr is used instead of (deprecated) auto_ptr here.

https://msdn.microsoft.com/en-us/library/mt490614.aspx

Replies:
Re: EPICS 7 Release Candidate 1 Michael Davidsaver
References:
EPICS 7 Release Candidate 1 Andrew Johnson
Re: EPICS 7 Release Candidate 1 Peterson, Kevin M.
Re: EPICS 7 Release Candidate 1 Michael Davidsaver

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