安装 mysql2 时出错:无法构建 gem 原生扩展
我在尝试为 Rails 安装 mysql2 gem 时遇到了一些问题.当我尝试通过运行 bundle install 或 gem install mysql2 安装它时，它给了我以下错误:
I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error:
安装 mysql2 时出错:错误:无法构建 gem 原生扩展.
Error installing mysql2: ERROR: Failed to build gem native extension.
如何解决这个问题并成功安装 mysql2?
How can I fix this and successfully install mysql2?
推荐答案
在 Ubuntu/Debian 和其他使用 aptitude 的发行版上:
On Ubuntu/Debian and other distributions using aptitude:
sudo apt-get install libmysql-ruby libmysqlclient-dev
包 libmysql-ruby 已被淘汰并被 ruby-mysql 取代.这个是我找到解决方案的地方.
Package libmysql-ruby has been phased out and replaced by ruby-mysql. This is where I found the solution.
如果上面的命令因为找不到libmysql-ruby而不起作用，那么以下应该就足够了:
If the above command doesn't work because libmysql-ruby cannot be found, the following should be sufficient:
sudo apt-get install libmysqlclient-dev
在 Red Hat/CentOS 和其他使用 yum 的发行版上:
On Red Hat/CentOS and other distributions using yum:
sudo yum install mysql-devel
在带有 Homebrew 的 Mac OS X 上:
On Mac OS X with Homebrew:
brew install mysql
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