4

我正在使用linux机器。我成功安装了 ruby​​ 并使用 sqlite 数据库创建了一个简单的应用程序。它也很好用。现在我尝试使用 mysql 创建一个应用程序，当我安装 mysql gem 时它显示以下错误。

[bathakarai@Project1-CO Rails]$ gem install mysql
/home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/bin/gem:4: warning: Insecure world writable dir /home/bathakarai in PATH, mode 040777
Building native extensions.  This could take a while...
ERROR:  Error installing mysql:
    ERROR: Failed to build gem native extension.

        /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/bin/ruby extconf.rb
extconf.rb:12: warning: Insecure world writable dir /home/bathakarai in PATH, mode 040777
checking for mysql_ssl_set()... *** 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=/home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/bin/ruby
    --with-mysql-config
    --without-mysql-config
/home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:368:in `try_do': The complier failed to generate an executable file. (RuntimeError)
You have to install development tools first.
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:435:in `try_link0'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:440:in `try_link'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:552:in `try_func'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:797:in `block in have_func'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:693:in `block in checking_for'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:280:in `block (2 levels) in postpone'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:254:in `open'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:280:in `block in postpone'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:254:in `open'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:276:in `postpone'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:692:in `checking_for'
    from /home/bathakarai/.rvm/rubies/ruby-1.9.2-p320/lib/ruby/1.9.1/mkmf.rb:796:in `have_func'
    from extconf.rb:45:in `<main>'


Gem files will remain installed in /home/bathakarai/.rvm/gems/ruby-1.9.2-p320/gems/mysql-2.9.1 for inspection.
Results logged to /home/bathakarai/.rvm/gems/ruby-1.9.2-p320/gems/mysql-2.9.1/ext/mysql_api/gem_make.out

请帮我看看问题出在哪里

4

5 回答 5

8

试试这个。希望它对你有用

首先安装 libmysql-ruby

sudo apt-get install libmysql-ruby

然后安装 libmysqlclient-dev

sudo apt-get install libmysqlclient-dev

以上完成后安装mysql

sudo gem install mysql
于 2013-03-20T10:10:48.347 回答
6

这是因为本地的一些开发依赖项不可用。

安装以下

sudo apt-get install mysql-dev

然后安装mysql gem

gem install mysql
于 2013-03-20T10:13:31.113 回答
1

安装一些mysql2依赖

sudo apt-get install libmysql-ruby libmysqlclient-dev

插入您的 GemFile

gem 'mysql2', '~> 0.3.18'

然后捆绑安装

bundle install
于 2016-01-06T05:38:35.200 回答
0

警告：不安全的世界可写目录 /usr/local/mysql 在 PATH，模式 040777

解决方案是一个简单的单行，我每次都忘记。

sudo chmod o+w /usr/local/mysql/bin

点击这里了解更多详情

于 2013-03-20T10:12:31.497 回答
-1

请输入：

gem install mysql2 --no-rdoc --no-ri
于 2015-09-15T13:29:03.717 回答