echo 'AUTOMATIC_SUBDIRS=y' > 'config.target'
mkdir 'dir1'
echo '$(warning make-in-dir1)' > 'dir1/Makefile.omk'
echo '' > 'Makefile.omk'
mkdir 'dir2'
echo '$(warning make-in-dir2)' > 'dir2/Makefile.omk'
mkdir 'dir3'
echo '$(warning make-in-dir3)' > 'dir3/Makefile'