RE: Dependencies on directories on NTFS volumes

[Paul D. Smith]

If you don't mind all the directories being created, you can just use
$(shell ...) to do it.  That's how I always do it:

    DIRECTORIES += foo bar baz

        ...

    __dummy := $(shell for d in $(DIRECTORIES); do [ -d $$d ] || mkdir -p $$d; 
done)

I guess if you're using windows you might need to do something more
complicated.  Anyway, when the shell function is used in an "immediate
evaluation" context, it's run right then before any of the rest of the
makefile is parsed.

An alternative is to use order-only prerequisites to get the directories
created; since they're order-only they won't cause the targets to be
rebuilt.

-- 
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