-- Printing variables\.\.\.
 Named variables:
   source_dir = "src"
   binary_dir = "build"
   NOT_SET = <NOTFOUND>

-- Printing variables\.\.\.
 Named variables:
   source_dir = "src"
   NOT_SET = <NOTFOUND>
   binary_dir = "build"
   ALSO_NOT_SET = <NOTFOUND>
