gem install json -v 1.7.3 给出“请更新您的 PATH 以包含构建工具" [英] gem install json -v 1.7.3 gives 'Please update your PATH to include build tools'

问题描述

当我跑步时:

rails new blog

我明白了:

Installing json (1.7.3)
Gem::InstallError: The 'json' native gem requires installed build tools.

Please update your PATH to include build tools or download the DevKit
from 'http://rubyinstaller.org/downloads' and follow the instructions
at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit'
An error occurred while installing json (1.7.3), and Bundler cannot continue.
Make sure that `gem install json -v '1.7.3'` succeeds before bundling.

当我跑步时:

gem install json -v 1.7.3

我明白了:

Please update your PATH to include build tools or download the DevKit
from 'http://rubyinstaller.org/downloads' and follow the instructions
at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit'

我使用的是 Windows 8.我的路径中有 c: uby193in.我该怎么做才能纠正这些错误?

I'm using Windows 8. I do have c: uby193in in my path. What do I do to remedy these errors?

推荐答案

确保安装了 devkit(勾选将更新路径的复选框):您可能还需要重新安装 ruby​​.

Make sure you install the devkit (ticking the checkboxes that will update the path) : You might need to reinstall ruby too.

安装 DevKit

从这里下载开发工具包http://rubyinstaller.org/downloads/

此时的 DevKit url 用于 Ruby 1.8.7 和 1.9.3:DevKit-tdm-32-4.5.2

DevKit url at this time For use with Ruby 1.8.7 and 1.9.3: DevKit-tdm-32-4.5.2

用于 Ruby 2.0 及更高版本(仅限 32 位版本):DevKit-mingw64-32-4.7.2

For use with Ruby 2.0 and above (32bits version only): DevKit-mingw64-32-4.7.2

用于 Ruby 2.0 及更高版本(仅限 x64 - 64 位)DevKit-mingw64-64-4.7.2

For use with Ruby 2.0 and above (x64 - 64bits only) DevKit-mingw64-64-4.7.2

按照此处的说明进行操作.

或简短说明:

解压压缩包

打开命令行并进入解压文件夹

open command-line and go to unzipped folder

ruby dk.rb 初始化

ruby dk.rb init

ruby dk.rb 安装

ruby dk.rb install

gem install rdiscount --platform=ruby

gem install rdiscount --platform=ruby

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