[GRASS-dev] version difference between addon and GRASS core: automatic or only when relevant libraries change ?

[Moritz Lennert]

Le Wed, 14 Sep 2016 03:08:06 -0700 (PDT),
Helmut Kudrnovsky <hellik at web.de> a écrit :

> Markus Neteler wrote
> > On Wed, Sep 14, 2016 at 11:34 AM, Moritz Lennert
> > <  
> 
> > mlennert at .worldonline  
> 
> > > wrote:  
> >> A colleague is using a dev version of GRASS 7.2 installed on
> >> windows. Trying to use a C-addon (r.object.geometry), he got an
> >> error about version mismatch between the installed GRASS revision
> >> and the revision of the GRASS base the addon was built against.  
> > 
> > Yes, because AFAIK the addons are built against 7.0.
> > With the ucoming release of 7.2. I expect that this will become the
> > base for addon compilation on Windows. But Martin will know more.
> >   
> >> Does this message automatically appear when the revisions are
> >> different, or only if relevant libraries have changed between the
> >> revisions ? I imagine that the latter would not be easy, but does
> >> the former really have to lead to a fatal error ?  
> > 
> > The libraries changed between 7.0.x and 7.2.x (see
> > https://trac.osgeo.org/grass/wiki/Release/7.2.0-News#Librarychanges).
> > To my knowledge no binary compatibility is possible when it comes
> > to C code.
> > 
> > Markus
> > _______________________________________________
> > grass-dev mailing list  
> 
> > grass-dev at .osgeo  
> 
> > http://lists.osgeo.org/mailman/listinfo/grass-dev  
> 
> AFAIK the addons for Windows are compiled against the several
> branches and trunk, E.g.
> 
> https://wingrass.fsv.cvut.cz/grass73/x86_64/addons/grass-7.3.svn/
> Etc 
> 
> But there seems to be some compiling /building issues as there are no
> dailies available. 

Only for today. Yesterday, they were fine.

> 
> normally winGRASS addons are compiled against the correct revision. 

That's what I thought. So the question remains: if the check only
blindly checks revision versions within the same branches, should this
be fatal ? Or maybe just a big fat warning...

Moritz