On 07/03/2018 12:40 AM, Borys Jurgiel wrote: > Since that upgrade in Testing, I can't run any GDAL-based app. They exit > with such error: > > symbol lookup error: /usr/lib/libgdal.so.20: undefined symbol: > proj_errno_string > > I have the standard Testing PROJ 5.1.0-1 package. Would you have any clue? I cannot reproduce this. You probably have a self built proj in /usr/local or something, with proj in Debian ogrinfo on a gml file just works. Kind Regards, Bas