https://ruby-china.org/u1423287653 To Be Better EveryDay! en-us <p>按照 wifi 上安装，安装源液切换成淘宝了，一直提示这个鬼东西，关键 xcode-tools 已经安装了，网上说的各种方法都无效。跪了，求大神指点。 zhaoAllendeMacBook-Air:libiconv allen$ sudo gem install rails Building native extensions. This could take a while... ERROR: Error installing rails: ERROR: Failed to build gem native extension.</p> <p>/usr/local/opt/ruby/bin/ruby -r ./siteconf20151112-29736-jojk2y.rb extconf.rb checking if the C compiler accepts ... yes checking if the C compiler accepts -Wno-error=unused-command-line-argument-hard-error-in-future... no</p> <h2 id="Building nokogiri using packaged libraries.">Building nokogiri using packaged libraries.</h2> <p>The file "/usr/include/iconv.h" is missing in your build environment, which means you haven't installed Xcode Command Line Tools properly.</p> <p>To install Command Line Tools, try running <code>xcode-select --install</code> on terminal and follow the instructions. If it fails, open Xcode.app, select from the menu "Xcode" - "Open Developer Tool" - "More Developer Tools" to open the developer site, download the installer for your OS</p> <h2 id="version and run it.">version and run it.</h2> <p>*** extconf.rb failed ***</p> u1423287653 Thu, 12 Nov 2015 19:52:45 +0800 https://ruby-china.org/topics/28038 https://ruby-china.org/topics/28038 <p>晚上突然想学些 ruby，看了论坛里 wiki 推荐的书籍，发现推荐的书籍已经基本上在亚马逊，京东上找不到了，这有木有说明语言在国内流行度的问题 准备明天去公司 google 下，家里咱不能墙。 mac 上自带 ruby2.0, 跟着一个 blog 写了些语法，sublime 写还不错。明天再看下有没有什么好用的 IDE，大家也可以推荐。 总之最近工作不忙，纯属无聊吧，这也是个水贴。😄</p> u1423287653 Wed, 11 Nov 2015 23:31:48 +0800 https://ruby-china.org/topics/28028 https://ruby-china.org/topics/28028