Error内容
IOS RESOLVER
Failed to install Cocoapods for the current user.
It will not be possible to install Cocoapods in the generated Xcode project which will result in link errors when building your application.
For more information see:
https://guides.cocoapods.org/using/getting-started.html
'gem install activesupport -v 4.2.6 --user-install' failed with code (1):
WARNING: You don't have /Users/Koujiro/.gem/ruby/1.8/bin in your PATH,
gem executables will not run.
解決方法
ターミナルで以下を実行
$xcode-select --install
$sudo gcc --version
解説
Xcodeコマンドラインツールがインストールされます