no_prerequisites:
prerequisite: file1.o
unique: file1.o file2.o file3.o
duplicate: file1.o file2.o file3.o
dir_part: /usr/include /usr/include .
file_part: stdio.h unistd.h foo.h
implicit.tout: implicit.tin
wait: file1.o .WAIT_1 file2.o
exit status 0