无法在Mac Os下通过Gem安装Mysql的问题_MySQL

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无法在Mac Os下通过Gem安装Mysql的问题

在Mac Os下通过Gem安装Mysql时，老是报错：

Java代码  

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  

checking for mysql_query() in -lmysqlclient... no  

checking for main() in -lm... yes  

checking for mysql_query() in -lmysqlclient... no  

checking for main() in -lz... yes  

checking for mysql_query() in -lmysqlclient... no  

checking for main() in -lsocket... no  

checking for mysql_query() in -lmysqlclient... no  

checking for main() in -lnsl... no  

checking for mysql_query() in -lmysqlclient... no  

checking for main() in -lmygcc... no  

checking for mysql_query() in -lmysqlclient... no  

 貌似是缺少了某些文件导致的，于是看了看/System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb发现extconf.rb好像需要Mysql的PATH，于是执行：

Java代码  

export PATH=$PATH:/usr/local/mysql/bin  

sudo gem install mysql -v '2.8.1'  

问题解决：    

Java代码  

Building native extensions.  This could take a while...  

Successfully installed mysql-2.8.1  

1 gem installed  

Installing ri documentation for mysql-2.8.1...  

Installing RDoc documentation for mysql-2.8.1...