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<== Date ==> <== Thread ==>

Subject: Re: Compile error with areaDetector
From: Jörn Dreyer <j.dreyer@hzdr.de>
To: tech-talk@aps.anl.gov, Mark Rivers <rivers@cars.uchicago.edu>
Date: Wed, 15 Nov 2017 14:54:47 +0100
Hi Mark,

I did a checkout from git with the master branch.
But the same happens if I checkout R3-1.

Regards,

Jörn

Am Mittwoch, 15. November 2017, 14:05:19 CET schrieb Mark Rivers:
> Which version of ADCore?
> 
> 
> ________________________________
> From: Jörn Dreyer <j.dreyer@hzdr.de>
> Sent: Wednesday, November 15, 2017 6:58 AM
> To: Mark Rivers
> Cc: tech-talk@aps.anl.gov
> Subject: Re: Compile error with areaDetector
> 
> Hi Mark,
> 
> I'm using:
> 
>  $gcc --version
> gcc (Ubuntu 4.8.4-2ubuntu1~14.04.3) 4.8.4
> 
> $ lsb_release -a
> No LSB modules are available.
> Distributor ID: Ubuntu
> Description:    Ubuntu 14.04.5 LTS
> Release:        14.04
> Codename:       trusty
> 
> Regards,
> 
> Jörn
> 
> > Hi Jörn,
> > 
> > 
> > I don't have experience with gcc 5.4.0.  But you say you are also getting
> > an error with gcc 4.8.  I am running gcc 4.8.5
> > 
> > 
> > gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-16)
> > 
> > 
> > and ntndArrayConverter.cpp compiles fine for me with that compiler. 
> > Exactly which version of gcc 4.8 is failing for you?
> > 
> > 
> > Mark
> > 
> > 
> > 
> > ________________________________
> > From: tech-talk-bounces@aps.anl.gov <tech-talk-bounces@aps.anl.gov> on
> > behalf of Dreyer, Dr. Joern <j.dreyer@hzdr.de> Sent: Wednesday, November
> > 15, 2017 1:26 AM
> > To: tech-talk@aps.anl.gov
> > Subject: Compile error with areaDetector
> > 
> > Hi,
> > 
> > I have run into a problem with areaDetector compilation when enabling
> > EPICS4 using version 4.6.0 on Ubuntu16.04.3 LTS.
> > Thanks,

problem solved. I used a different system to get acces, which did not have my 
public ssh key installed in ~/.ssh. nAfter copying the key from another 
system, it worked!

> > ../ntndArrayConverter.cpp: In member function ‘void
> > NTNDArrayConverter::fromUndefinedAttribute(epics::pvData::PVStructurePtr)’
> > :
> > ../ntndArrayConverter.cpp:497:54: error: no matching function for call to
> > ‘std::tr1::shared_ptr<epics::pvData::PVField>::reset() const’
> > 
> >    dest->getSubField<PVUnion>("value")->get().reset();
> >    ^
> > 
> > In file included from /usr/include/c++/5/tr1/memory:50:0,
> > 
> >    from
> > 
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/pvDataCPP/include/pv/sha
> > re dPtr.h:124, from
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/pvDataCPP/include/pv/pvT
> > yp e.h:41, from
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/pvDataCPP/include/pv/pvD
> > is play.h:14, from
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/normativeTypesCPP/includ
> > e/ pv/ntndarray.h:17, from ../ntndArrayConverter.h:2,
> > 
> >    from ../ntndArrayConverter.cpp:4:
> > /usr/include/c++/5/tr1/shared_ptr.h:644:7: note: candidate: void
> > std::tr1::__shared_ptr<_Tp, _Lp>::reset() [with _Tp =
> > epics::pvData::PVField; __gnu_cxx::_Lock_policy _Lp =
> > (__gnu_cxx::_Lock_policThanks,

problem solved. I used a different system to get acces, which did not have my 
public ssh key installed in ~/.ssh. nAfter copying the key from another 
system, it worked!
y)2u] <near match>
> > 
> >    reset() // never throws
> >    ^
> > 
> > /usr/include/c++/5/tr1/shared_ptr.h:644:7: note:  passing ‘const
> > PVFieldPtr* {aka const std::tr1::shared_ptr<epics::pvData::PVField>*}’ as
> > ‘this’ argument discards qualifiers
> > /usr/include/c++/5/tr1/shared_ptr.h:649:9: note: candidate: template<class
> > _Tp1> void std::tr1::__shared_ptr<_Tp, _Lp>::reset(_Tp1*) [with _Tp1 =
> > _Tp1; _Tp = epics::pvData::PVField; __gnu_cxx::_Lock_policy _Lp =
> > (__gnu_cxx::_Lock_policy)2u]
> > 
> >    reset(_Tp1* __p) // _Tp1 must be complete.
> >    ^
> > 
> > /usr/include/c++/5/tr1/shared_ptr.h:649:9: note:  template argument
> > deduction/substitution failed:
> > ../ntndArrayConverter.cpp:497:54: note:  candidate expects 1 argument, 0
> > provided
> > 
> >    dest->getSubField<PVUnion>("value")->get().reset();
> >    ^
> > 
> > In file included from /usr/include/c++/5/tr1/memory:50:0,
> > 
> >    from
> > 
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/pvDataCPP/include/pv/sha
> > re dPtr.h:124, from
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/pvDataCPP/include/pv/pvT
> > yp e.h:41, from
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/pvDataCPP/include/pv/pvD
> > is play.h:14, from
> > /home/wuestenf/EPICS/EPICS-3.15.5/EPICS-CPP-4.6.0/normativeTypesCPP/includ
> > e/ pv/ntndarray.h:17, from ../ntndArrayConverter.h:2,
> > 
> >    from ../ntndArrayConverter.cpp:4:
> > /usr/include/c++/5/tr1/shared_ptr.h:658:9: note: candidate: template<class
> > _Tp1, class _Deleter> void std::tr1::__shared_ptr<_Tp, _Lp>::reset(_Tp1*,
> > _Deleter) [with _Tp1 = _Tp1; _Deleter = _Deleter; _Tp =
> > epics::pvData::PVField; __gnu_cxx::_Lock_policy _Lp =
> > (__gnu_cxx::_Lock_policy)2u]
> > 
> >    reset(_Tp1* __p, _Deleter __d)
> >    ^
> > 
> > /usr/include/c++/5/tr1/shared_ptr.h:658:9: note:  template argument
> > deduction/substitution failed:
> > ../ntndArrayConverter.cpp:497:54: note:  candidate expects 2 arguments, 0
> > provided
> > 
> >    dest->getSubField<PVUnion>("value")->get().reset();
> > 
> > The used gcc version is 5.4.0. On Ubuntu 14.04.5 LTS The error comes at
> > the
> > same line, but different problem:
> > 
> > ../ntndArrayConverter.cpp: In member function ‘void
> > NTNDArrayConverter::fromUndefinedAttribute(epics::pvData::PVStructurePtr)’
> > :
> > ../ntndArrayConverter.cpp:497:54: error: passing ‘const PVFieldPtr {aka
> > const std::tr1::shared_ptr<epics::pvData::PVField>}’ as ‘this’ argument of
> > ‘void std::tr1::__shared_ptr<_Tp, _Lp>::reset() [with _Tp =
> > epics::pvData::PVField; __gnu_cxx::_Lock_policy _Lp =
> > (__gnu_cxx::_Lock_policy)2u]’ discards qualifiers [-fpermissive]
> > 
> >    dest->getSubField<PVUnion>("value")->get().reset();
> > 
> > here the used gcc version is 4.8. It look like an explicit typecast is
> > necessary here. But what would be the correct type?
> > 
> > Regards,
> > 
> > Jörn

Replies:
RE: Compile error with areaDetector Mark Rivers
References:
Compile error with areaDetector Dreyer, Dr. Joern
Re: Compile error with areaDetector Jörn Dreyer
Re: Compile error with areaDetector Mark Rivers

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