bundle install 時に出るエラー Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

##前提・実現したいこと
EC2に接続しRails環境を構築しようとGItHub上からcloneしbundle install時にエラーが発生しました。

Gemfileのgem 'mysql2', '~> 0.5'の箇所をコメントアウトするとことでbundle install出来ることを確認しております。

##発生している問題・エラーメッセージ

Fetching mysql2 0.5.3
Installing mysql2 0.5.3 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /home/ec2-user/game-bug-app/src/vendor/bundle/ruby/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
./siteconf20210320-23814-cu83sc.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.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/home/ec2-user/.rbenv/versions/2.7.2/bin/$(RUBY_BASE_NAME)
	--with-mysql-dir
	--without-mysql-dir
	--with-mysql-include
	--without-mysql-include=${mysql-dir}/include
	--with-mysql-lib
	--without-mysql-lib=${mysql-dir}/lib
	--with-mysql-config
	--without-mysql-config
	--with-mysqlclient-dir
	--without-mysqlclient-dir
	--with-mysqlclient-include
	--without-mysqlclient-include=${mysqlclient-dir}/include
	--with-mysqlclient-lib
	--without-mysqlclient-lib=${mysqlclient-dir}/lib
	--with-mysqlclientlib
	--without-mysqlclientlib
/home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0/mkmf.rb:1050:in `block in find_library': undefined method `split' for
nil:NilClass (NoMethodError)
	from /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0/mkmf.rb:1050:in `collect'
	from /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0/mkmf.rb:1050:in `find_library'
	from extconf.rb:87:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/ec2-user/game-bug-app/src/vendor/bundle/ruby/2.7.0/extensions/x86_64-linux/2.7.0/mysql2-0.5.3/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /home/ec2-user/game-bug-app/src/vendor/bundle/ruby/2.7.0/gems/mysql2-0.5.3 for inspection.
Results logged to
/home/ec2-user/game-bug-app/src/vendor/bundle/ruby/2.7.0/extensions/x86_64-linux/2.7.0/mysql2-0.5.3/gem_make.out

An error occurred while installing mysql2 (0.5.3), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.5.3' --source 'https://rubygems.org/'` succeeds before bundling.

##試したこと

An error occurred while installing mysql2 (0.5.3), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.5.3' --source 'https://rubygems.org/'` succeeds before bundling.

と、記載してあったので、gem install mysql2 -v '0.5.3' -source 'https://rubygems.org/'を実行しましたところ以下の結果になりました。

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 ./siteconf20210320-23913-725epn.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.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/home/ec2-user/.rbenv/versions/2.7.2/bin/$(RUBY_BASE_NAME)
	--with-mysql-dir
	--without-mysql-dir
	--with-mysql-include
	--without-mysql-include=${mysql-dir}/include
	--with-mysql-lib
	--without-mysql-lib=${mysql-dir}/lib
	--with-mysql-config
	--without-mysql-config
	--with-mysqlclient-dir
	--without-mysqlclient-dir
	--with-mysqlclient-include
	--without-mysqlclient-include=${mysqlclient-dir}/include
	--with-mysqlclient-lib
	--without-mysqlclient-lib=${mysqlclient-dir}/lib
	--with-mysqlclientlib
	--without-mysqlclientlib
/home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0/mkmf.rb:1050:in `block in find_library': undefined method `split' for nil:NilClass (NoMethodError)
	from /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0/mkmf.rb:1050:in `collect'
	from /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/2.7.0/mkmf.rb:1050:in `find_library'
	from extconf.rb:87:in `<main>'

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/extensions/x86_64-linux/2.7.0/mysql2-0.5.3/mkmf.log

extconf failed, exit code 1

Gem files will remain installed in /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/gems/mysql2-0.5.3 for inspection.
Results logged to /home/ec2-user/.rbenv/versions/2.7.2/lib/ruby/gems/2.7.0/extensions/x86_64-linux/2.7.0/mysql2-0.5.3/gem_make.out