• using R version 3.0.0 Patched (2013-04-03 r62483)
• using platform: i386-pc-solaris2.10 (32-bit)
• using session charset: UTF-8
• checking for file ‘RProtoBuf/DESCRIPTION’ ... OK
• this is package ‘RProtoBuf’ version ‘0.2.6’
• checking package namespace information ... OK
• checking package dependencies ... ERROR
  Package required but not available: ‘Rcpp’
  
  Package suggested but not available for checking: ‘highlight’
  
  See the information on DESCRIPTION files in the chapter ‘Creating R
  packages’ of the ‘Writing R Extensions’ manual.