compile-each.hxml
--main Main
-php bin/php/Main

--next
compile-each.hxml
--main TestArguments
-php bin/php/TestArguments

--next
compile-each.hxml
--main ExitCode
-php bin/php/ExitCode

--next
compile-each.hxml
--main UtilityProcess
-php bin/php/UtilityProcess