[GRASS-dev] raster query/r.what error with a r.external-linked raster

Helmut Kudrnovsky hellik at web.de
Mon Mar 28 11:04:12 PDT 2016

Helmut Kudrnovsky wrote
>>This may be an issue with GDAL itself, e.g. an external library having
>>been updated without rebuilding GDAL. If that's the case, any program
>>which calls GDALAllRegister() (e.g. "gdalinfo --formats") would
>>exhibit the same issue.
> gdalinfo testraster.tif
> gdalinfo --formats
> both are working.
>>Alternatively, it may be an issue with GDAL and GRASS using different
>>versions of a common library (e.g. libstdc++). If you've updated any
>>system libraries, perform a full re-compile of GRASS (after "make
>>clean") and 
> the debian installation is updated; several times svn up in grass and
> recompiled, same behaviour.
>>and ensure that GRASS isn't built against a "private" version
>>of any system library used by GDAL. 
> how could this be tested/investigated? (linux newbie here on my side)

found it. GDAL 2.0.2 is self compiled, Debian's Saga GIS is compiled 
against Debian's GDAL 1.11.x. 

Deinstalling Saga GIS, querying a linked raster in GRASS GIS works again. 

best regards
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