我创建了新的rails应用并试图运行捆绑安装它显示此错误，
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
current directory: /var/lib/gems/2.3.0/gems/json-1.8.6/ext/json/ext/generator/usr/bin/ruby2.3 -r ./siteconf20170704-11395-12tpg5u.rb extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/include/ruby.h
extconf failed, exit code 1
Gem files will remain installed in /var/lib/gems/2.3.0/gems/json-1.8.6 for inspection.
Results logged to /var/lib/gems/2.3.0/extensions/x86_64-linux/2.3.0/json-1.8.6/gem_make.out
An error occurred while installing json (1.8.6), and Bundler cannot continue.
Make sure that `gem install json -v '1.8.6'` succeeds before bundling
请寄给我一些建议，先谢谢。
答案 0 :(得分：16)
如果您有Mac或Linux计算机，请尝试以下命令：
sudo apt-get install ruby-dev
如果失败，您的输出是什么：
gem install json -v '1.8.6'
（请复制并粘贴所有输出）。
答案 1 :(得分：0)
首先检查 ruby 版本和 rvm 列表 如果 rvm 未安装，请安装 rvm
答案 2 :(得分：0)
如果任何人在Mac OS Big Sur上遇到此错误，请将ruby版本更新为至少2.7。我正在使用rvm解决此问题。