» gem install mysql failing on Ubuntu fix Al Hoang - The Diigo Meta page

• 27 Sep 11
  

  Kevin Carmody

  sudo apt-get install libmysqlclient5-dev

  ruby rails ubuntu mysql fix

• 16 Jul 10
  

  zarecare

  • The problem

     

    Did you try something stupid (and expect something hopeful) like:

     

     $ sudo gem install mysql 

     

    Then get something beautiful like:

     

     

    ERROR:  While executing gem ... (RuntimeError)     ERROR: Failed to build gem native extension. Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/mysql-2.7 for inspection. 

     

     

     Welcome to getting bit by the
     policy of the Debian packaging policy problem where one software package can be split into muliple pieces. In general the policy makes sense unless you’re doing development then you have to remember this. 

     

    The fix

     

    Assuming you installed mysql server via something like sudo apt-get install mysql-server the next thing you need is the MySQL development headers in order for the Ruby Gem to compile. Simple eh? sudo apt-get install mysql-dev. Well not that but close. It’s (because you need to specify the particular version of development libraries very often):

     

     $ sudo apt-get install libmysqlclient5-dev 

     

    Now back to business

     

     

    $ sudo gem install mysql Select which gem to install for your platform (i486-linux)  1. mysql 2.7.1 (mswin32)  2. mysql 2.7 (ruby)  3. mysql 2.6 (ruby)  4. mysql 2.5.1 (ruby)  5. Cancel installation > 2 Building native extensions.  This could take a while... [snip] creating Makefile  make gcc [stuff] gcc [stuff] make install mkdir -p /usr/lib/ruby/gems/1.8/gems/mysql-2.7/lib /usr/bin/install -c -m 0755 mysql.so /usr/lib/ruby/gems/1.8/gems/mysql-2.7/lib  make clean Successfully installed mysql-2.7
• 03 Feb 08
  

  andrew baldwin

  mysql ubuntu bugs

• 02 Feb 08
  

  Lubos Pochman

  ruby

  • gem install mysql failing on Ubuntu fix

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