makefile-special-targets-list

makefile-special-targets-list is a variable defined in `make-mode.el'.
Its value is

("DEFAULT" "DONE" "ERROR" "EXPORT" "FAILED" "GROUPEPILOG" "GROUPPROLOG" "IGNORE" "IMPORT" "INCLUDE" "INCLUDEDIRS" "INIT" "KEEP_STATE" "MAKEFILES" "MAKE_VERSION" "NO_PARALLEL" "PARALLEL" "PHONY" "PRECIOUS" "REMOVE" "SCCS_GET" "SILENT" "SOURCE" "SUFFIXES" "WAIT" "c.o" "C.o" "m.o" "el.elc" "y.c" "s.o")

• This variable may be risky if used as a file-local variable.

Documentation:
List of special targets.
You will be offered to complete on one of those in the minibuffer whenever
you enter a "." at the beginning of a line in `makefile-mode'.

You can customize this variable.