*) echo "cannot guess deepness of '$dir'"; exit 1
esac
echo "all %: ; @\$(MAKE) -s -C $rel/build/$dir \$*" > $dir/Makefile
- echo "-include \$(wildcard *.mk)" >> $dir/Makefile
}
find . -name CMakeLists.txt | while read file; do do_makefile $file; done