Is it possible to compile the src directory in a single command?
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I would like to compile all the .opa files in my src directory in a single command without having to specify each file manually, or having to specify them manually in a config file. 

This is the parrallel issue in Java: http://stackoverflow.com/questions/2356443/building-java-package-javac-to-all-files
And here: http://stackoverflow.com/questions/5194926/compiling-java-files-in-all-subfolders


Do I need to do something with the makefile?
Is there an Ant equivalent for Opa?