Compiling Ruby3 on AL2023 with OpenSSL 3.0.8 (or LibreSSL)

Question

I'm trying to build Ruby 3.0.5 on AL2023 but it's failing with an OpenSSL error: 
```
OpenSSL >= 1.0.1, < 3.0.0 or LibreSSL >= 2.5.0 is required
```

AL2023 currently ships with OpenSSL 3.0.8, which is not on the list of "approved" versions of OpenSSL for Ruby 3.  I don't think I want to downgrade OpenSSL as there are other things on the system that are built around that version.

My question is, can I install LibreSSL or an older version of OpenSSL 1.1 somewhere and use that to compile Ruby3?  What other options do I have?

Norman · Answer

You are able to use the [ruby-build](https://github.com/rbenv/ruby-build) command-line tool.

They give clear guidance on how to handle OpenSSL version compatibility [here](https://github.com/rbenv/ruby-build/wiki#openssl-version-compatibility).

The relevant section is where they describe on how to use a shared library of the corresponding version (including link where to download):
> If an OpenSSL 1.0 package no longer exists for your distro, you can install a shared library from source by downloading a 1.0.x version of the source, unarchiving the files, then running the following from a terminal:

Compiling Ruby3 on AL2023 with OpenSSL 3.0.8 (or LibreSSL)

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