Error in compilation due to path issues

_ROOT Version:_6.30.06
Platform: linux
Compiler: g++


I installed fastjet contrib through rivet. I tried to run an example code from the package but it had an error in compilation. Location of the file (softdrop_test) is:-

and softdrop.hh header is :-

.Below is the error mssg during compilation:-

Hi,

Welcome to the ROOT Community!
It is not clear to me where ROOT comes into play. Aren’t you trying to compile fastjetcontrib? The error hints to that at least.

Best,
D

Hi,
The root forum kept opening whenever I attempted to debug it, so I had to post my query here because there isn’t a specific platform for Fastjet.