[英]Not able to install rails version 3.2.x in linux mint 14.1
I am using Rails 2.3.14 problem is i want to update rails version to 3.2.x 我正在使用Rails 2.3.14问题是我想将Rails版本更新为3.2.x
1. sudo gem update rails 1. sudo gem更新导轨
-Updating installed gems -Nothing to update -更新已安装的宝石-无任何更新
2.when i used sudo apt-get update rails 2.当我使用sudo apt-get update rails
-The update command takes no arguments -update命令不带参数
3.when i tried to install Rails sudo gem install rails --version=3.2.3 3.当我尝试安装Rails时sudo gem install rails --version = 3.2.3
-Fetching: activesupport-3.2.3.gem (100%) Fetching: builder-3.0.4.gem (100%) Fetching: activemodel-3.2.3.gem (100%) Fetching: rack-1.4.4.gem (100%) Fetching: sprockets-2.1.3.gem (100%) Fetching: actionpack-3.2.3.gem (100%) Fetching: activerecord-3.2.3.gem (100%) Fetching: activeresource-3.2.3.gem (100%) Fetching: mail-2.4.4.gem (100%) Fetching: actionmailer-3.2.3.gem (100%) Fetching: thor-0.14.6.gem (100%) Building native extensions. -获取:activesupport-3.2.3.gem(100%)获取:builder-3.0.4.gem(100%)获取:activemodel-3.2.3.gem(100%)获取:rack-1.4.4.gem( 100%)抓取:链轮2.1.3.gem(100%)抓取:actionpack-3.2.3.gem(100%)抓取:activerecord-3.2.3.gem(100%)抓取:activeresource-3.2.3。 gem(100%)正在获取:mail-2.4.4.gem(100%)正在获取:actionmailer-3.2.3.gem(100%)正在获取:thor-0.14.6.gem(100%)构建本机扩展。 This could take a while... ERROR: Error installing rails: ERROR: Failed to build gem native extension.
这可能需要一些时间...错误:安装rails时出错:错误:无法生成gem本机扩展。
/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:1:in `' /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'来自extconf.rb:1:in'
Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/json-1.7.6 for inspection. 宝石文件将保留安装在/usr/lib/ruby/gems/1.9.1/gems/json-1.7.6中以进行检查。 Results logged to /usr/lib/ruby/gems/1.9.1/gems/json-1.7.6/ext/json/ext/generator/gem_make.out
结果记录到/usr/lib/ruby/gems/1.9.1/gems/json-1.7.6/ext/json/ext/generator/gem_make.out
Can anybody suggest me how can i overcome this issue. 有人可以建议我如何克服这个问题。
first install 首次安装
sudo aptitude install ruby1.9.1-dev
will solve your problem 会解决你的问题
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