[Rock-dev] graph_slam build fails on ubuntu 12.04: "g2o_solver_eigen" library not available

[Steffen Planthaber]

Hi Sylvain,

I think it wasn't intentional you didn't reply to rock-dev.

Am 20.05.2014 17:38, schrieb Sylvain Joyeux:
 > If the pkg-config file needs to be fixed, it is by adding it
 > conditionally (i.e. adding it only if it is not built, and not always)
 >
 > In general, we should probably push all these patches upstream instead
 > of virtually forking 3rd party library
 >
 > Sylvain
 >

Just to be clear: g2o does not provide a .pc file at all, it's already 
added by our patch.

Is it possible to select patches from .autobuild files?

Afaik the only way to define patches is in the source.yml, and there 
they cannot be OS specific.

I think loosing the ability to use the solver on all Operating Systems, 
just because one old LTS has no support for it is a bad option.

I agree a "virtual fork" by patching the CMakeLists.txt files of g2o 
itself in order to create a proper .pc file is a bad option, as they 
might change and cause trouble when out "old" patches are applied ;-)


Greets,

Steffen



Am 20.05.2014 17:38, schrieb Sylvain Joyeux:
> If the pkg-config file needs to be fixed, it is by adding it
> conditionally (i.e. adding it only if it is not built, and not always)
>
> In general, we should probably push all these patches upstream instead
> of virtually forking 3rd party library
>
> Sylvain
>
>
> 2014-05-20 17:07 GMT+02:00 Steffen Planthaber
> <Steffen.Planthaber at dfki.de <mailto:Steffen.Planthaber at dfki.de>>:
>
>     Hi,
>
>     The lib is is referenced in the pkgconfig file of g2o (added by patch
>     remotes/rock/patches/g2o_build4.patch) and so rock tries to link it when
>     building graph_slam
>
>     But the lib is only build by g2o/solvers/CMakeLists.txt, when the eigen
>     version is higher than 3.1 (12.04 has 3.0).
>
>     Is the solver used by graph_slam, of can it be removed from the
>     pkgconfig file?
>
>     Best, Steffen
>
>     --
>        Steffen Planthaber
>        Weltraumrobotik
>
>        Besuchsadresse der Nebengeschäftstelle:
>        DFKI GmbH
>        Robotics Innovation Center
>        Robert-Hooke-Straße 5
>        28359 Bremen, Germany
>
>        Postadresse der Hauptgeschäftsstelle Standort Bremen:
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>        Robotics Innovation Center
>        Robert-Hooke-Straße 1
>        28359 Bremen, Germany
>
>        Tel.:     +49 421 178 45-4125
>        Zentrale: +49 421 178 45-0
>        Fax:      +49 421 178 45-4150 (Faxe bitte namentlich kennzeichnen)
>        E-Mail: Steffen.Planthaber at dfki.de
>     <mailto:Steffen.Planthaber at dfki.de>
>
>        Weitere Informationen: http://www.dfki.de/robotik
>
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-- 
  Steffen Planthaber
  Weltraumrobotik

  Besuchsadresse der Nebengeschäftstelle:
  DFKI GmbH
  Robotics Innovation Center
  Robert-Hooke-Straße 5
  28359 Bremen, Germany

  Postadresse der Hauptgeschäftsstelle Standort Bremen:
  DFKI GmbH
  Robotics Innovation Center
  Robert-Hooke-Straße 1
  28359 Bremen, Germany

  Tel.:     +49 421 178 45-4125
  Zentrale: +49 421 178 45-0
  Fax:      +49 421 178 45-4150 (Faxe bitte namentlich kennzeichnen)
  E-Mail:   Steffen.Planthaber at dfki.de

  Weitere Informationen: http://www.dfki.de/robotik
  -----------------------------------------------------------------------
  Deutsches Forschungszentrum fuer Kuenstliche Intelligenz GmbH
  Firmensitz: Trippstadter Straße 122, D-67663 Kaiserslautern
  Geschaeftsfuehrung: Prof. Dr. Dr. h.c. mult. Wolfgang Wahlster
  (Vorsitzender) Dr. Walter Olthoff
  Vorsitzender des Aufsichtsrats: Prof. Dr. h.c. Hans A. Aukes
  Amtsgericht Kaiserslautern, HRB 2313
  Sitz der Gesellschaft: Kaiserslautern (HRB 2313)
  USt-Id.Nr.:    DE 148646973
  Steuernummer:  19/673/0060/3
  -----------------------------------------------------------------------