[R-sig-Geo] rgdal and proj

[pierluigi de rosa]

Dear all,

I'm using R in my ubuntu machine.
When I load the library rgdal i obtain:
library(rgdal)
Path to PROJ.4 shared files: (autodetected)
WARNING: no proj_defs.dat in PROJ.4 shared files
 Linking to sp version: 1.3-1

But when I try to read a geotif file R gives me an error.
I saw several times this issue in the web but I was unable to solve my
problem.
Anyone can help me please?
Thanks

Pierluigi

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