Rails 在 Ubuntu 上安装失败,“无法加载此类文件 -- mkmf"; [英] Rails installation failed on Ubuntu with "cannot load such file -- mkmf"
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问题描述
我在 Ubuntu 11 上安装 Rails 时遇到了这个问题:
I have this problem while installing Rails on Ubuntu 11:
root@salah:/home/salah/rubygems-1.8.15# sudo gem install mysql
Fetching: mysql-2.8.1.gem (100%)
Building native extensions. This could take a while...
ERROR: Error installing mysql:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/local/lib/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/local/lib/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:10:in `<main>'
Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/mysql-2.8.1 for inspection.
Results logged to /usr/lib/ruby/gems/1.9.1/gems/mysql-2.8.1/ext/mysql_api/gem_make.out
推荐答案
如果我没记错的话,mkmf 是 ruby-dev 包的一部分.试试:
mkmf is part of the ruby-dev package if I'm not mistaken. Try:
sudo aptitude install ruby1.9.1-dev
当然你最好通过 RVM 安装 ruby :)
Of course you may be better off installing ruby through RVM :)
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