dirs=`ls $sourceRoot/android | tr '\n' ' '` 
 for i in $dirs 
 do 
 sourceFold=$sourceRoot/android/${i} 
 
  case ${i} in  
 
  out) 
 echo "skip ${i}";; 
 
  kernel
  |
  frameworks
  |
  vendor
  |
  build) 
 cp -rfu $sourceFold $workRoot/android 
 echo "copy ${i}";; 
 
  *)  
 ln -sf $sourceFold $workRoot/android 
 echo "linking ${i}";; 
 
  esac 
 done