• using R version 2.13.2 Patched (2011-09-30 r58267)
• using platform: i386-apple-darwin9.8.0 (32-bit)
• using session charset: ASCII
• checking for file 'ModelMap/DESCRIPTION' ... OK
• checking extension type ... Package
• this is package 'ModelMap' version '2.1.1'
• checking package dependencies ... ERROR
  Package required but not available: rgdal
  
  See the information on DESCRIPTION files in the chapter 'Creating R
  packages' of the 'Writing R Extensions' manual.
• elapsed time (check, wall clock): 0:01