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我收到了与你们所有人一样的错误信息，但我在Mac（10.8）上使用Rails4和Ruby2以及RubyMine（IDE）。Rails4，Ruby2，MySLQ2和RubyMine
/Users/eric/.rvm/rubies/ruby-2.0.0-p195/bin/ruby -e $stdout.sync=true;$stderr.sync=true;load($0=ARGV.shift) /Users/eric/Rubymine/Chroma/bin/bundle install
Fetching gem metadata from https://rubygems.org/........
Fetching gem metadata from https://rubygems.org/..
Resolving dependencies...
...
...
...
Installing mysql2 (0.3.11)
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.
/Users/eric/.rvm/rubies/ruby-2.0.0-p195/bin/ruby extconf.rb
checking for rb_thread_blocking_region()... yes
checking for rb_wait_for_single_fd()... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lm... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lz... yes
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lsocket... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lnsl... no
checking for mysql_query() in -lmysqlclient... no
checking for main() in -lmygcc... no
checking for mysql_query() in -lmysqlclient... no
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers. Check the mkmf.log file for more details. You may
need configuration options.
Provided configuration options:
--with-opt-dir
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/Users/eric/.rvm/rubies/ruby-2.0.0-p195/bin/ruby
--with-mysql-config
--without-mysql-config
--with-mysql-dir
--without-mysql-dir
--with-mysql-include
--without-mysql-include=${mysql-dir}/include
--with-mysql-lib
--without-mysql-lib=${mysql-dir}/
--with-mysqlclientlib
--without-mysqlclientlib
--with-mlib
--without-mlib
--with-mysqlclientlib
--without-mysqlclientlib
--with-zlib
--without-zlib
--with-mysqlclientlib
--without-mysqlclientlib
--with-socketlib
--without-socketlib
--with-mysqlclientlib
--without-mysqlclientlib
--with-nsllib
--without-nsllib
--with-mysqlclientlib
--without-mysqlclientlib
--with-mygcclib
--without-mygcclib
--with-mysqlclientlib
--without-mysqlclientlib
Gem files will remain installed in /Users/eric/.rvm/gems/[email protected]/gems/mysql2-0.3.11 for inspection.
Results logged to /Users/eric/.rvm/gems/[email protected]/gems/mysql2-0.3.11/ext/mysql2/gem_make.out
An error occurred while installing mysql2 (0.3.11), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.3.11'` succeeds before bundling.
Process finished with exit code 5
我已经尝试了一些其他的东西来自各地的网络，以及： - 运行命令行gem install mysql2让我相同的消息如上面。 - 运行gem 'mysql2'让我这个错误：ERROR: While executing gem ... (Gem::CommandLineError) Unknown command mysql2即使我拥有它是我的Gemfile：http://d.pr/n/jc3i - 我已经尝试添加rvm install libmysql-ruby希望将修复它..没了..
我应该提到这是我第一次真正涉足进入RoR，所以这是很有可能的我是的问题......我已经看遍了所有的StackOverflow，并且真的没有任何运气。任何帮助将不胜感激。
检查了这个http://stackoverflow.com/questions/3608287/installing-mysql2-gem-for-rails-3 – sameera207