build a subpackage in dub?

[drug via Digitalmars-d-learn]

16.07.2016 20:26, cy пишет:
> Say I have a package called "main" and a sub-package in a
> "complicatedexample" directory, and my dub.json in "main" looks sort of
> like:
>
> "subPackages": [
>   "./complicatedexample/"
> ],
>
> Let's say I do *not* have ":complicatedexample" in my dependencies for
> "main", but "complicatedexample" itself imports from /other/
> sub-packages in main, like I dunno, "support" "coolstuff" "thingies" or
> whatever.
>
> I can't chdir to complicatedexample and dub -v build, because it says
> "Unknown dependency: complicatedexample:support" since it can't know
> that it's in a subpackage. But I also can't build ":complicatedexample"
> from in the main directory, because "dub build -v :complicatedexample"
> gives me "Failed to find a package named main:complicatedexample".
>
> I swear I figured out how to do this before, but I honestly cannot
> remember. The example imports a huge C library and compiles stubs and
> does all sorts of stupid stuff that the rest of the program doesn't have
> anything to do with at all, just to demonstrate the algorithm. But I
> don't know how to isolate it. Any ideas?
>
> Just... create a totally separate package, and remember to copy and
> paste all the other sub-packages to it, and add all the other
> subpackages to every dub.json manually?
If you could list example of your package dub.json it would be better. I 
use subpackages intensively, subpackages depends on other subpackages 
and it works, but I'm not sure I understand your case.