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Just a little opinion poll who really likes having mirage-platform modules packed under OS.* ? Personally it makes the packaging of my library more complicated (because for example, xenctrl have a Eventchn module, whereas in Mirage it is OS.Eventchn, so I can't just use Eventchn in my library and be able to recompile between backends without code changes) and I don't like very much the packing feature overall.

If pack is going to be used for Mirage, do anybody see a not too annoying or ugly solution to my problem ?

A solution could be to functorize my library over all Xen-things that it uses. But it would imply that we write the signature of all Xen related packages explicitely (module type S = sig end). That would certainly work.

The drawback of this approach is that it makes my library a functor, which needs to be instanciated, and so on.

Removing the OS.* thing would make it work out of the box.

Dave pointed out that the mirage-unix package exports a OS.* namespace as well. But certainly, the UNIX version of Xen libs would not exist behind OS would they ?





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