[Rivet] Build of latest 2-6-x release branch

[Andy Buckley]

Hi David,

What platform is this on? I found the same problem on SL7 without a "modern compiler" override of the native environment: looks like the required bit of C++11 is not supported in GCC 4.8.5.
Since this enhancement of Particles over the previous "typedef vector<Particle>" is syntactic sugar, and lots of people expect Rivet to build (not 100% unreasonably, despite not being an official HEP platform) on vanilla SL7, I think we probably have to postpone that change for a future version. Maybe reasonable for v3.
Andy
Dr Andy Buckley, Lecturer / Royal Society University Research Fellow
Particle Physics Experiment Group, University of Glasgow

On Jul 17 2018, at 6:40 pm, David Yallup <david.yallup at cern.ch> wrote:
>
> Hi All,
> This is probably down to something I'm messing up but I was wondering if
> anyone has had any problems building the latest 2-6-x branch recently?
>
> Specifically when I update to revision 6377 (current tip) I get a series
> of errors all pertaining to Rivet::Particles
>
> In file included from ../../include/Rivet/AnalysisHandler.hh:6:0,
> from Run.cc:3:
> ../../include/Rivet/Particle.hh: In constructor
> ‘Rivet::Particle::Particle(const HepMC::GenParticle&)’:
> ../../include/Rivet/Particle.hh:53:32: error: no matching function for
> call to ‘Rivet::Particles::Particles()’
> _momentum(gp.momentum())
>
>
> This is updating from revision 6250 (also on the 2-6-x branch) where
> everything built fine (which makes me think I'm doing something too
> stupid!). It looks like my compiler disagrees with the changes from
>
> https://rivet.hepforge.org/hg/rivet/rev/5b2baf1011f6?revcount=120
>
> If others have had no trouble with recent builds of rivet I will go back
> to the drawing board but thought I would check with others first.
>
> Thanks,
> David
>
>
>
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