To create a new target, type C-c . t (
use the ‘Add Target’ menu item in the ‘Project Options’
submenu. This prompts for a target name, and adds the current buffer
to that target.
ede-new-target command also prompts for a target
type. Each target type has its own build process and class of files
that it will accept.
To remove a target from the project, type M-x ede-delete-target, or use the ‘Remove Target’ menu item in the ‘Project Options’ submenu.