[gdal-dev] building gdal-3.3.0-dev with proj free(): invalid pointer

[Even Rouault]

Chris,


> two version of libproj are involved:
>
> chris at jacie:~$ ldd /usr/local/bin/gdalinfo | grep libproj
> libproj.so.22 => /usr/local/lib/libproj.so.22 (0x00007f3a6cecc000)
> libproj.so.19 => /usr/local/lib/libproj.so.19 (0x00007f3a659da000)

That's definitely the cause of the crash. It is illegal for a process to 
link to several versions of libproj. You need to make sure that your 
GDAL dependencies link against the same libproj version. You likely need 
to rebuild libspatialite or libgeotiff (if using external libgeotiff) 
against the newer PROJ version

Even

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