Mysql rails s ができない
rails s ができない
エラー：
/Users/HO/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mysql2-0.4.4/lib/mysql2.rb:31:in `require': dlopen(/Users/HO/.rbenv/versions/2.3.1/lib/ruby/gems/2.3.0/gems/mysql2-0.4.4/lib/mysql2/mysql2.bundle, 9): Library not loaded: /usr/local/lib/libmysqlclient.18.dylib (LoadError)
ーーーーー
結果：Error: mysql not installed
ーーーーー
コマンド：brew doctor
結果：
Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected dylibs:
/usr/local/lib/libtcl8.6.dylib
/usr/local/lib/libtk8.6.dylib
Warning: Unbrewed header files were found in /usr/local/include.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Warning: You have unlinked kegs in your Cellar
Leaving kegs unlinked can lead to build-trouble and cause brews that depend on
those kegs to fail to run properly once built. Run `brew link` on these:
iojs
Warning: Your Xcode (7.3.1) is outdated.
Please update to Xcode 8.2 (or delete it).
Xcode can be updated from the App Store.
〜〜〜
(1) XcodeのCommand Line ToolsをUpdate
リンク：Sign in with your Apple ID - Apple Developer
10.12 OX verからしかインストール出来ないようなのでOSをアップデート
問題：disk spaceが足りない
解決：hard drive - Not enough storage for El Capitan; no way to free up space - Ask Different
(2)
mysql --version
mysql Ver 14.14 Distrib 5.5.49, for osx10.11 (x86_64) using EditLine wrapper
(4)Unexpected dylibs:を治す
コマンド：brew doctor
結果：
Warning: Unbrewed dylibs were found in /usr/local/lib.
If you didn't put them there on purpose they could cause problems when
building Homebrew formulae, and may need to be deleted.
Unexpected dylibs:
/usr/local/lib/libtcl8.6.dylib
/usr/local/lib/libtk8.6.dylib
