--- /dev/null
+teesock/teesock.arm: teesock/teesock.c teesock/Makefile
+ make -C "$(dir $@)" "$(notdir $@)"
+ chmod 755 "$@"
+
+files/usr/local/bin/teesock: teesock/teesock.arm
+ mkdir -p files/usr/local/bin
+ chmod 755 files/usr/ files/usr/local/ files/usr/local/bin/
+ cp -av "$<" "$@"