出力されたエラー
[@@@@] 21:09:03 ~ $gem install mysql Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension. current directory: /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/mysql-2.9.1/ext/mysql_api /Users/yonamineakio/.rbenv/versions/2.6.3/bin/ruby -I /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0 -r ./siteconf20190520-63085-47eqd6.rb extconf.rb checking for mysql_ssl_set()... *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of necessary libraries and/or headers. Check the mkmf.log file for more details. You may need configuration options. Provided configuration options: --with-opt-dir --without-opt-dir --with-opt-include --without-opt-include=${opt-dir}/include --with-opt-lib --without-opt-lib=${opt-dir}/lib --with-make-prog --without-make-prog --srcdir=. --curdir --ruby=/Users/yonamineakio/.rbenv/versions/2.6.3/bin/$(RUBY_BASE_NAME) --with-mysql-config --without-mysql-config /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:467:in `try_do': The compiler failed to generate an executable file. (RuntimeError) You have to install development tools first. from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:552:in `try_link0' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:570:in `try_link' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:782:in `try_func' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:1069:in `block in have_func' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:959:in `block in checking_for' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:361:in `block (2 levels) in postpone' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:331:in `open' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:361:in `block in postpone' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:331:in `open' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:357:in `postpone' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:958:in `checking_for' from /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/2.6.0/mkmf.rb:1068:in `have_func' from extconf.rb:45:in `<main>' To see why this extension failed to compile, please check the mkmf.log which can be found here: /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/extensions/x86_64-darwin-18/2.6.0-static/mysql-2.9.1/mkmf.log extconf failed, exit code 1 Gem files will remain installed in /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/gems/mysql-2.9.1 for inspection. Results logged to /Users/yonamineakio/.rbenv/versions/2.6.3/lib/ruby/gems/2.6.0/extensions/x86_64-darwin-18/2.6.0-static/mysql-2.9.1/gem_make.out
ruby, rbenvのヴァージョン
ruby 2.6.3p62 (2019-04-16 revision 67580) [x86_64-darwin18] rbenv 1.1.2
私の使っているmacの情報
macOS Mojave
version 10.14.4(18E226)
mysqlのversion
mysql Ver 8.0.12 for osx10.13 on x86_64 (Homebrew)
これまでのプロセス
色々調べて、$ sudo yum -y install mysql-develでmysql-develをインストールすれば解決するかもと思ったので、実行したら"-bash: yum: command not found"と出力されました。
また調べたらyumはlinuxでは使えないといった情報が散見されたので、もうお手上げです。
###最後に
どなたかこのエラーの解決方法をわかる方ご教授頂けたら幸いです。
また足りない情報がございましたらなんなりとお申し付けください。
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