[gdal-dev] recent change?, issue with OGRGeometryFactory in R

[Even Rouault]

Michael,

There have indeed been recent changes in const correctness of a few 
methods returning or accepting a OGRSpatialReference* (cf 
https://github.com/OSGeo/gdal/pull/7381), including 
OGRGeometryFactory::createmFromWkt().

This requires a rebuild of code depending on the GDAL C++ API, as the 
GDAL ABI generally changes between feature versions.

Even

Le 01/04/2023 à 07:24, Michael Sumner a écrit :
> Hi,
>
> I'm here to ask for help finding where this issue is. If I use an 
> earlier build it still works (these are R packages sf and terra that 
> are well tested against previous releases).
>
> Has something changed with the headers structure for 
> OGRGeometryFactory perhaps? (I'm out of my depth for how to track this 
> down).   If it's an issue on the R side I'll fix it there, but mostly 
> I'm here to ask what has changed on the GDAL side to result in this 
> symbol problem (or whatever it is I'm doing wrong).
>
> using latest build  24afc75d3c3f2c85621e8b8d83f54a73b1d3ad33
>
> I see
>
> > library(sf)
> Error: package or namespace load failed for ‘sf’ in dyn.load(file, 
> DLLpath = DLLpath, ...):
>  unable to load shared object 
> '/usr/local/lib/R/site-library/sf/libs/sf.so':
>   /usr/local/lib/R/site-library/sf/libs/sf.so: undefined symbol: 
> _ZN18OGRGeometryFactory13createFromWktEPKcP19OGRSpatialReferencePP11OGRGeometry
> > library(terra)
> Error: package or namespace load failed for ‘terra’ in dyn.load(file, 
> DLLpath = DLLpath, ...):
>  unable to load shared object 
> '/usr/local/lib/R/site-library/terra/libs/terra.so':
>   /usr/local/lib/R/site-library/terra/libs/terra.so: undefined symbol: 
> _ZN18OGRGeometryFactory13createFromWktEPKcP19OGRSpatialReferencePP11OGRGeometry
>
> Using a prior build eca6f7bf17fe500ef4c0ba9793e93ea305bab1fc it works.
>
> The offending code in terra is this (I think)
>
> https://github.com/rspatial/terra/blob/ddcf84ce901a269ac13118d650efac16f89a8602/src/read_ogr.cpp#L694
>
> In sf it is
>
>
> https://github.com/r-spatial/sf/blob/main/src/gdal_read.cpp#L582
> Thank you.
>
> Cheers, Mike
>
>
> -- 
> Michael Sumner
> Software and Database Engineer
> Australian Antarctic Division
> Hobart, Australia
> e-mail: mdsumner at gmail.com
>
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-- 
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