[geos-devel] Issue with multiple geos installs

[James David Smith]

Hello,

I'm trying to build the SF package in R. I get this error.

Error: package or namespace load failed for ‘sf’ in dyn.load(file, DLLpath
= DLLpath, ...):
 unable to load shared object
'/home/james/R/x86_64-pc-linux-gnu-library/3.4/sf/libs/sf.so':
  /home/james/R/x86_64-pc-linux-gnu-library/3.4/sf/libs/sf.so: undefined
symbol: GEOSSTRtree_nearest_generic_r
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/home/james/R/x86_64-pc-linux-gnu-library/3.4/sf’

I am advised it's because I have multiple versions of geos installed. This
seems correct as per below.

james at UbuntuSandbox:~$ locate /bin/geos
/opt/geos/bin/geos-config
/usr/bin/geos-config
/usr/local/bin/geos-config

I'm unsure how to fix this. Could someone help me please?

Thanks

James
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