AWS EC2でrails環境を構築中にタイトルコマンド実行でエラーが発生しました
gem install mysql2 -v '0.5.3'
Building native extensions. This could take a while...
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
current directory: /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/mysql2-0.5.3/ext/mysql2
/home/ec2-user/.rbenv/versions/2.7.2/bin/ruby -I /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0 -r ./siteconf20220116-18846-rjobkk.rb extconf.rb
checking for rb_absint_size()... yes
checking for rb_absint_singlebit_p()... yes
checking for rb_wait_for_single_fd()... yes
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.どうやらyumこちらを追加しないといけないようなので追加して再度実行
sudo yum install mysql-devel
gem install mysql2 -v '0.5.3'
Building native extensions. This could take a while...
Successfully installed mysql2-0.5.3
Parsing documentation for mysql2-0.5.3
Installing ri documentation for mysql2-0.5.3
Done installing documentation for mysql2 after 0 seconds
1 gem installed
上記で問題なくinstallできました！！