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Ruby gem MySQL2安装失败
当我尝试安装mysql2 gem时，它失败，没有明显的错误。有谁知道该怎么做才能解决此问题，以便安装mysql2？ $ sudo gem install mysql2 Building native extensions. This could take a while... ERROR: Error installing mysql2: ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/bin/ruby extconf.rb checking for rb_thread_blocking_region()... no checking for mysql_query() in -lmysqlclient... no checking for main() in -lm... yes checking for mysql_query() in -lmysqlclient... no …