https://ruby-china.org/ioiioi en-us <p>我在 centos6.4 中通过 yum -y install ruby rubygems 安装了 ruby 和 rubygems，然后再通过 gem install fpm，发现出错，google 了一圈，只找到要更换成 taobao 源的方案，于是：</p> <h2 id="gem sources --remove http://rubygems.org/">gem sources --remove <a href="http://rubygems.org/" rel="nofollow" target="_blank">http://rubygems.org/</a> </h2><h2 id="gem sources -a http://ruby.taobao.org/">gem sources -a <a href="http://ruby.taobao.org/" rel="nofollow" target="_blank">http://ruby.taobao.org/</a> </h2><h2 id="gem sources -l">gem sources -l</h2> <p>*** CURRENT SOURCES ***</p> <p><a href="http://ruby.taobao.org/" rel="nofollow" target="_blank">http://ruby.taobao.org/</a></p> <p>再然后：</p> <h2 id="gem install fpm">gem install fpm</h2> <p>出现以下错误： ... Exception <code>Errno::EEXIST' at /usr/lib/ruby/1.8/fileutils.rb:243 - File exists - /usr/lib/r uby/gems/1.8/gems/json-1.8.1/tests Building native extensions. This could take a while... Exception</code>Gem::InstallError' at /usr/lib/ruby/site_ruby/1.8/rubygems/ext/builder.rb:49 - extconf failed:</p> <p>/usr/bin/ruby extconf.rb mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h</p> <p>Exception `Gem::Installer::ExtensionBuildError' at /usr/lib/ruby/site_ruby/1.8/rubygems/in staller.rb:483 - ERROR: Failed to build gem native extension.</p> <p>/usr/bin/ruby extconf.rb mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h</p> <p>Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/json-1.8.1 for inspection. Results logged to /usr/lib/ruby/gems/1.8/gems/json-1.8.1/ext/json/ext/generator/gem_make.o ut</p> <p>ERROR: Error installing fpm: ERROR: Failed to build gem native extension.</p> <p>/usr/bin/ruby extconf.rb mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h</p> <p>Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/json-1.8.1 for inspection. Results logged to /usr/lib/ruby/gems/1.8/gems/json-1.8.1/ext/json/ext/generator/gem_make.o ut</p> <p>怎么解决？我只想装 fpm 而已。</p> <p>实际上，我昨天另外一个虚拟机 debian7 中，是可以直接 gem install fpm 的，都不需要更改 sources。</p> ioiioi Wed, 05 Mar 2014 17:45:19 +0800 https://ruby-china.org/topics/17678 https://ruby-china.org/topics/17678