[Bug 225244] math/saga: conflicts with Grass7

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=225244

--- Comment #1 from Rainer Hurling <rhurlin at gwdg.de> ---
Hi Loïc,

That has been discussed in the SAGA developer list[1] several times. SAGA GIS
depends on the API of liblas12 in a way, that it is not trivial to make changes
towards liblas18. BTW, Debian Linux also wants to get rid of liblas12 and only
use liblas18.

Citing a statement of Volker Wichmann, one of the core devs of SAGA GIS, from
Dec 6th, 2017, on the list[2]

> This is - in general - an issue we have on our to-do list since quite a time.
> Our plan is to deprecate libLAS altogether as it will not be developed any
> further. We would like to switch to pdal (https://www.pdal.io/about.html),
> the successor library, which would also allow to support much more formats.
> So far we hesitated because pdal had a dependency on boost, which would
> have complicated support a lot. Now boost is not required any more, but
> C++ 11 and, on windows, Visual Studio 2015. So in order to use it we would
> need the upgrade to use VS 2015 instead of 2010. This is certainly a
> possibility but also a major change.
> 
> So I'm afraid Olaf or me will not put any effort in updating the tool
> library to libLAS 1.8. I'm currently stuck with other things, but it would
> be nice to make a general survey on how well pdal is supported by
> different OS/distributions and compilers in the meantime. Has anybody more
> information on this?

So it will take some time, until SAGA GIS leaves the liblas12 road ;(

On FreeBSD, SAGA GIS seems the only user of this old liblas12 port, as far as I
can see. So in the meantime I will try to patch devel/liblas12 to rename
conflicting files and dirs, like /usr/local/bin/las2las 
to something like las2las12 or include/liblas to include/liblas12. This may
take some time also and I am not sure, if it will work at the end ;)


[1] saga-gis-developer at lists.sourceforge.net
[2] https://sourceforge.net/p/saga-gis/mailman/message/36153346/

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