確認環境 macOS Sierra: 10.12.3 Ruby: 2.4.1 (rbenvでインストール) nokogiri: 1.7.1 他の環境でもこの手順でコケた記憶がないので環境が違ってもいけるはず 対応方法 brew tap homebrew/dupes brew install libxml2 libxslt libiconv brew link libxml2 --force brew link libxslt --force gem install nokogiri -- --use-system-libraries --with-iconv-dir="$(brew --prefix libiconv)" --with-xml2-config="$(brew --prefix libxml2)/bin/xml2-config" --with-xslt-config="$(b
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