[ClusterLabs Developers] [ClusterLabs] Error when linking to libqb in shared library

[Kristoffer Grönlund]

Jan Pokorný <jpokorny at redhat.com> writes:

> I guess you are linking your python extension with one of the
> pacemaker libraries (directly on indirectly to libcrmcommon), and in
> that case, you need to rebuild pacemaker with the patched libqb[*] for
> the whole arrangement to work.  Likewise in that case, as you may be
> aware, the "API" is quite uncommitted at this point, stability hasn't
> been of importance so far (because of the handles into pacemaker being
> mostly abstracted through built-in CLI tools for the outside players
> so far, which I agree is encumbered with tedious round-trips, etc.).
> There's a huge debt in this area, so some discretion and perhaps
> feedback which functions are indeed proper-API-worth is advised.

The ultimate goal of my project is indeed to be able to propose or begin
a discussion around a stable API for Pacemaker to eventually move away
from command-line tools as the only way to interact with the cluster.

Thank you, I'll investigate the proposed changes.

Cheers,
Kristoffer

>
> [*]
> shortcut 1: just recompile pacemaker with those extra
>             /usr/include/qb/qblog.h modifications as of the
> 	    referenced commit)
> shortcut 2: if the above can be tolerated widely, this is certainly
>             for local development only: recompile pacemaker with
> 	    CPPFLAGS=-DQB_KILL_ATTRIBUTE_SECTION
>
> Hope this helps.
>
> -- 
> Jan (Poki)
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-- 
// Kristoffer Grönlund
// kgronlund at suse.com