brew doctorででたエラーを消していく

1つ目: Warning: Unbrewed header files were found in /usr……

・エラー

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.

Unexpected header files:
  /usr/local/include/node/libplatform/libplatform-export.h
  /usr/local/include/node/libplatform/libplatform.h
  /usr/local/include/node/libplatform/v8-tracing.h
  /usr/local/include/node/node.h

・解決策

~ % sudo rm -R /usr/local/include/node/

丸っと消す。

・参考

2つ目: Warning: Your Xcode (12.5.1) is outdated.

Warning: Your Xcode (12.5.1) is outdated.
Please update to Xcode 13.2.1 (or delete it).
Xcode can be updated from the App Store.

~ % ls /Library/Developer/CommandLineTools

・解決策

Sign In - Apple

Sign in to your Apple Account
developer.apple.com

上記の公式サイトから任意のXcodeをインストール

自分の場合

修正前:12.5.1

修正後:15.2

・参考

「macOS BigSir(11.6.8)にてbrew doctor実行時、Xcodeのupdateを求められたとき」の対処法 #BigSur - Qiita

現状 1→brew doctorを実行 すると、Xcodeのアップデート(バージ…
qiita.com