gem install mysql failure in Snow Leopard
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
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.
我认为你应该在重新编译之前先尝试卸载旧的mysql gem
sudo gem uninstall mysql
sudo env ARCHFLAGS="-arch x86_64" gem install mysql -- --with-mysql-config=/usr/local/mysql/bin/mysql_config
安装与Snow Leopard捆绑在一起的Xcode解决了这个问题。
For me, it was adding the UNIX Tools option (if I recalled the name accurately), which include the headers. When I installed XCode originally, I didn't include this component because I didn't think that I would be writing UNIX code. Little did I know...
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