• using R version 2.15.0 Patched (2012-04-28 r59248)
• using platform: sparc-sun-solaris2.10 (32-bit)
• using session charset: UTF-8
• checking for file ‘forecast/DESCRIPTION’ ... OK
• this is package ‘forecast’ version ‘3.21’
• checking package namespace information ... OK
• checking package dependencies ... ERROR
  Package required but not available: ‘RcppArmadillo’
  
  Package required and available but unsuitable version: ‘Rcpp’
  
  See the information on DESCRIPTION files in the chapter ‘Creating R
  packages’ of the ‘Writing R Extensions’ manual.