Jun Aruga

I am not sure why this PR's GitHub Actions is not executed.

> checking for my_bool in mysql.h... no I think you need to install MySQL or MariaDB development header package on your environment. Which OS are you using? Which DB (MySQL...

OK, considering you installing `mysql` brew package, maybe you can try to run the following commands on your terminal before running `bundle install`. It's for the compiler in the process...

What's the result after running commands? Could you make sure the `mysql.h` really exists on the path? Could you share the result of the following command? ``` echo $LDFLAGS echo...

Here is other documents that might be helpful for you. https://github.com/brianmario/mysql2#configuration-options https://coderwall.com/p/iy8wkw/install-mysql2-gem-with-mysql-installed-with-homebrew

Okay. The `X.Y.Z` was just example to show the mysql version directory. It does not mean the actual directory. I think the steps to fix your issue could be 1....

@kamipo Thanks for the PR! Though I am not a maintainer of this repository, let me share my opinion. I am seeing the mysql2 still supports Ruby 2.0.0 which are...

For MariaDB, this repository's oldest MariaDB version is 10.0. And I was able to confirm the MariaDB 10.0 and latest MariaDB 10.5 supports utf8mb4. Here is the log on my...

> While trying to execute the test suite of mysql2 gem on Fedora's ppc64le builders with Ruby 3.1, it gets stuck on spec_helper.rb. It's weird. According to [1], `GC.verify_compaction_references` in...

Thanks for your great investigation! Does this stuck even happen by the following command on the ppc64le machine you tested? ``` $ ruby -e 'GC.verify_compaction_references(double_heap: true, toward: :empty)' ```