ada-search-directories-internal
ada-search-directories-internal is a variable defined in `ada-mode.el'.
Its value is
("." "" "/usr/adainclude" "/usr/local/adainclude" "/opt/gnu/adainclude")
Documentation:
Internal version of `ada-search-directories'.
Its value is the concatenation of the search path as read in the project file
and the standard runtime location, and the value of the user-defined
`ada-search-directories'.