I am on macOS. My ultimate goal is to speed up dbext.vim and I found the page mentioned DBI which depends on has('perl').

So I'd like to know how to build Neovim to have Perl enabled... Now I am using a neovim which was installed by brew install neovim but it seems I have to build from sources to enable Perl.

I am also interested in the way how Deoplete made my nvim has('python3') from 0 to 1 and didn't require a rebuild.

Last but not least.. How do other plugins achieve Async operations? I may see if it is possible to make dbext.vim run async so I will be less mindful of its speed...

Thanks in advance!

  • Welcome to the site! In the future, please only ask about one issue at a time. If you have multiple issues, open them as individual questions instead of including them all in one question. – Rich Nov 9 '17 at 11:18

Neovim is always compiled with all the features, so rebuilding won't help you: Perl support simply isn't included in Neovim. See (:help feature-compile, :help nvim-features-missing).

Not all features require a re-compile to be enabled (see :help feature-list). has('python3') returns whether the Python 3 API is currently available, not whether it was compiled in. (Which it was: see above.)

Asynchronous operations are performed using "jobs". See :help job-control.

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