




This keyword takes a list of packages to be retained. All packages in the list are kept in the delivered image, regardless of the values of the :smash-packages and :delete-packages keywords.
If 
:packages-to-keep
 is 
:all
, then the two variables above are set to 
nil
. See also Coping with intern and find-symbol at runtime.
Note: Other keywords push packages onto the 
:packages-to-keep
 list.
Note: When you keep a package by 
:packages-to-keep
, this does not cause that package's symbols to be kept. To retain symbols, see Making sure that symbols are kept.