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My end goal is to have the YouCompleteMe Pluggin for Vim. As a prerequiste I need my Vim to be configured for python3.

Previous when configuring with python I used the following command

./configure --enable-pythoninterp=yes

From searching it looks like the configure command for python3 is

./configure --enable-python3interp=yes --with-python3-config-dir=????

Unfortunately all the search results shows a pathway of /usr/lib/python3... No such path exists for me.

I do have python 3, running which python3 results in /usr/bin/python3

How can I find the route to my python3 config dir?

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5
  • Not sure what you're looking for. Something like this file -> /usr/bin/python3.6-config? Commented Apr 4, 2020 at 2:05
  • weird, it looks like I have -config for the other python versions but not 3 Commented Apr 4, 2020 at 2:08
  • @Dean Do you have any other thoughts on where the config dir would be, I've tried everything I can think of Commented Apr 4, 2020 at 2:38
  • It doesn't work with just ./configure --enable-python3interp=yes? --with-python-config-dir is deprecated. Or maybe this link can help -> vi.stackexchange.com/questions/18211/… Commented Apr 4, 2020 at 6:11
  • 1
    lol Yes thanks @Dean that was actually my post. I have a long history of YCM and compiling Vim for python support. The --with-python3-command ended up working with a new version of python3, thanks. Commented Apr 4, 2020 at 11:19

2 Answers 2

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I ended up downloading the latest python which was 3.8, then running which python3 which provided a pathway. Then I used that pathway in this command

./configure --enable-python3interp --with-python3-command=/Library/Frameworks/Python.framework/Versions/3.8/bin/python3

Followed by

$ cd src
$ make
$ sudo make install

Over at ycm ~/.vim/bundle/YouCompleteMe
$ ./install.py --js-completer
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-1

Looks like you're on Mac OS X. So my recommendation is that you should install a package manager such as Homebrew and use it to install a more featureful Vim on your machine.

After you set up Homebrew, all you need to install Vim with Python3 support is:

$ brew install vim

Since version 1.6.0 of Homebrew (2018-04-09), Vim from Homebrew includes Python3 support by default.

This is much better than building it yourself from source, because using a package manager ensures you're using a build that is tested and well integrated into your platform. You also get a simple upgrade path to keep up to date with latest versions of Vim. By getting easy upgrades you'll also get security fixes, if there are any.

If you're building from source yourself, you're in theory signing up to do all that yourself, but it's hard to do so as well as a project that's dedicated to do so and has been specializing on building software for years.

So here's a strong recommendation to using a package whenever one is available and steering away from building from source as much as possible.

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