[Users] compile instructions for funhpc

[Roland Haas]

Hello Erik, all,

> You need to install these packages:
> 
>     depends_on('cereal')
>     depends_on('googletest')
>     depends_on('hwloc')
>     depends_on('jemalloc')
>     depends_on('mpi')
>     depends_on('qthreads')
Thank you for the list, it would have taken me a while to find out
which packages are needed (most I already have installed I think).

> Then you can call cmake, pointing it to these packages in "the usual way",
Uff, unfortunately I am not familiar at all with cmake. So "the usual
way" was no help for me, but I will certainly try giving -DCEREAL_ROOT
etc. a try. Is there a "how to use cmake for dummies" tutorial anywhere?
In the past I always found that cmake --help is not useful in telling me
what -D options I could set (not that the competition, eg autoconf
necessarily does any better in this respect though).

> i.e. by passing flags such as "-DCEREAL_ROOT=..." etc. to cmake. If you
> have pkg-config installed, then cmake should also be able to use it to find
> external packages if PKG_CONFIG_PATH (?) is set pointing to them. 
That should be no problem for most of them since they are mostly Debian
packages.

> The
> ".travis.yml" file in FunHPC might also be a good starting point, although
> it is based on Ubuntu 14.04 and thus a bit more complicated than necessary.
Hmm, that is different again now. I will try and see if I can
understand what it does.

Thanks for the pointers. With this I should hopefully get the current
master of funhpc working on my laptop again (for faster turnaround and
the ability to code while on planes).

Yours,
Roland

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