本文介绍了在雪豹中安装 mysql 失败的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我在 Snow Leopard 和 Ruby 中成功安装了 MySql x86_64 和 Ruby Gems 似乎安装正确:
I successfully installed MySql x86_64 in Snow Leopard and Ruby and Ruby Gems seems to be installed properly:
$ which mysql
/usr/local/mysql/bin/mysql
$ which ruby
/usr/bin/ruby
$ which gem
/usr/bin/gem
$ mysql
Your MySQL connection id is 404
Server version: 5.1.37 MySQL Community Server (GPL)
$ ruby -v
ruby 1.8.7 (2008-08-11 patchlevel 72) [universal-darwin10.0]
$ gem -v
1.3.5
不幸的是，我安装 mysql gem 时出错:
Unfortunatly I get an error installing mysql gem:
$ sudo gem update --system
...
$ sudo env ARCHFLAGS="-arch x86_64" gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb --with-mysql-config=/usr/local/mysql/bin/mysql_config
mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h
Gem files will remain installed in /Library/Ruby/Gems/1.8/gems/mysql-2.8.1 for inspection.
推荐答案
安装与 Snow Leopard 捆绑的 Xcode 解决了该问题.
Installing the Xcode that's bundled with the Snow Leopard fixed the problem.
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