Why can meson find hunt-net but not hunt-proton in dependency resolution?

YD diyu60607 at yahoo.com
Tue Mar 31 19:59:25 UTC 2020

On Tuesday, 31 March 2020 at 19:51:31 UTC, YD wrote:
> Hi, I am trying to use Meson, and I did the followings to get 
> dub packages:
>    dub fetch hunt-net
>    dub fetch hunt-proton
>    dub build hunt-net
>    dub build hunt-proton
> when I have this line in my meson.build file:
>    dependency('hunt-net', method: 'dub')
> It works fine:
>    Run-time dependency hunt-net found: YES 0.4.6
> But when I change it to
>    dependency('hunt-proton', method: 'dub')
> It simply says:
>    Run-time dependency hunt-proton found: NO
>    ... ERROR: Dependency "hunt-proton" not found
> And when I looked at meson-log.txt, I couldn't find any clue on 
> why that happens:
>     Determining dependency 'hunt-proton' with DUB executable 
> '.../dlang/dmd-2.091.0/linux/bin64/dub'
>     Run-time dependency hunt-proton found: NO
> So I completely cannot figure out why hunt-net is resolvable 
> but hunt-proton is not. Can anyone help me understand how meson 
> resolves these dependencies? Thanks!

I have a feeling that it might be because of the fact that 
hunt-proton has a "beta" in its version:

   hunt-net 0.4.6: /home/.../.dub/packages/hunt-net-0.4.6/hunt-net/
   hunt-proton 1.0.0-beta.3: 

However, this does not help me solve the problem. Even if I add a 
"version" parameter to the dependency() function, it still does 
not resolve hunt-proton.

Any help will be greatly appreciated, thanks.

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