无法构建Gem扩展错误，安装滑轨
[英]Failed to Build Gem Extension Error Installing rails
问题描述
I'm on a fresh Ubuntu installation and using the guide to install rails found here . 
我正在重新安装Ubuntu，并使用该指南安装可在此处找到的rails。
When I get to the final sudo gem install rails , I get this error: 当我到达最终的sudo gem install rails ，出现以下错误：
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
current directory: /var/lib/gems/2.3.0/gems/nio4r-1.2.1/ext/nio4r
/usr/bin/ruby2.3 -r ./siteconf20160821-19665-u7rxlt.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/nio4r-1.2.1 for inspection.
Results logged to /var/lib/gems/2.3.0/extensions/x86_64-linux/2.3.0/nio4r-1.2.1/gem_make.out
1 个解决方案
解决方案1
0 2016-08-21 17:07:54
Try this 尝试这个
gem update --system 2.0.3
Ref: https://stackoverflow.com/a/17657242/4132578 参考： https : //stackoverflow.com/a/17657242/4132578
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