After installing R, I saw this warning message in red

[Colin_Lin]

After installing R, I saw this warning message in red when I do that operation...

root@linaro-nano:/home/linaro/Downloads# sudo R CMD INSTALL ROpenCL
During startup - Warning messages:
1: Setting LC_CTYPE failed, using "C"
2: Setting LC_TIME failed, using "C"
3: Setting LC_MESSAGES failed, using "C"
4: Setting LC_MONETARY failed, using "C"
5: Setting LC_PAPER failed, using "C"
6: Setting LC_MEASUREMENT failed, using "C"
* installing to library '/usr/local/lib/R/site-library'
ERROR: dependency 'Rcpp' is not available for package 'ROpenCL'
* removing '/usr/local/lib/R/site-library/ROpenCL'
I need help to go on my parallella-examples in r-opencl