内容
rbenv でruby 3.2.2をインストールしようとしたら以下のエラーが発生した。
$ rbenv install 3.2.2 To follow progress, use 'tail -f /tmp/ruby-build.20231021091520.5507.log' or pass --verbose Downloading ruby-3.2.2.tar.gz... -> https://cache.ruby-lang.org/pub/ruby/3.2/ruby-3.2.2.tar.gz Installing ruby-3.2.2... BUILD FAILED (Ubuntu 18.04 using ruby-build 20230717-11-g4d4678b) Inspect or clean up the working tree at /tmp/ruby-build.20231021091520.5507.wUPdqj Results logged to /tmp/ruby-build.20231021091520.5507.log Last 10 log lines: make[1]: Leaving directory '/tmp/ruby-build.20231021091520.5507.wUPdqj/ruby-3.2.2' Generating RDoc documentation /tmp/ruby-build.20231021091520.5507.wUPdqj/ruby-3.2.2/lib/yaml.rb:3: warning: It seems your ruby installation is missing psych (for YAML output). To eliminate this warning, please install libyaml and reinstall your ruby. uh-oh! RDoc had a problem: cannot load such file -- psych run with --debug for full backtrace uncommon.mk:597: recipe for target 'rdoc' failed make: *** [rdoc] Error 1
対応
必要なライブラリをインストール
$ sudo apt install libyaml-dev libffi-dev
