[英]sudo gem install rails error under ubuntu 13.04
I'm trying to set up rails with 我正在尝试设置rails
sudo gem install rails
i'm using rvm 我正在使用rvm
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/usr/bin/ruby1.9.1 extconf.rb
/usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- mkmf (LoadError)
from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require'
from extconf.rb:1:in `<main>'
Gem files will remain installed in /var/lib/gems/1.9.1/gems/json-1.7.7 for inspection.
Results logged to /var/lib/gems/1.9.1/gems/json-1.7.7/ext/json/ext/generator/gem_make.out
i'm getting many errors currently using ruby 2.0 我目前使用ruby 2.0收到很多错误
any help how to solve this error. 任何帮助如何解决此错误。
I had the same problem, so i did previously an installation of build dependencies for ruby , rubygems and rails : 我遇到了同样的问题,所以我之前安装了ruby , rubygems和rails的构建依赖项:
sudo apt-get build-dep ruby rubygems rails
.. and then issue the sudo gem install rails
, and it worked. ..然后发出
sudo gem install rails
,它成功了。
Use this command 使用此命令
$ \curl -L https://get.rvm.io | bash -s stable --autolibs=3 --rails
after this check if any requirements left by 在检查之后,是否还有任何要求
rvm requirements
Some extra detail. 一些额外的细节。 I had to do things in this order:
我必须按以下顺序进行操作:
sudo apt-get build-dep ruby rubygems rails
then I had to install rdoc 然后我不得不安装rdoc
sudo gem install rdoc
because if you don't install rdoc first (at the time of this writing), you get this error: 因为如果不先安装rdoc(在撰写本文时),则会出现此错误:
file 'lib' not found
Then, finally, you can install Rails: 然后,最后,您可以安装Rails:
sudo gem install rails
and it takes a LONG time, so be patient. 这需要很长时间,所以请耐心等待。
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