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我有一个macbook我正在尝试做一些开发.我有一个我想要构建的程序,当我使用make它来构建它时,我得到了一个"找不到命令"的错误.我做了一些google和SO搜索,看起来这不是一个常见的问题.为什么我没有安装,我怎么得到它？我更加困惑,因为我知道我最近使用它(在过去一个月左右),当我在这台笔记本电脑上.

我的系统有:

• ruby 2.0.0p451(2014-02-24)[x64-mingw32]
• gem -version 2.2.2
• devKit:DevKit-mingw64-64-4.7.2-20130224-1432-sfx.exe

当我尝试运行时gem install jekyll,我收到此错误:

D:\devKit>gem install jekyll
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
ERROR:  Error installing jekyll:
        ERROR: Failed to build gem native extension.

    "D:/Program Files (x86)/Ruby200-x64/bin/ruby.exe" extconf.rb
D:/Program Files (x86)/Ruby200-x64/bin/ruby.exe: invalid switch in RUBYOPT: -F (
RuntimeError)

extconf failed, exit code 1

Gem files will remain installed in D:/Program Files (x86)/Ruby200-x64/lib/ruby/g
ems/2.0.0/gems/fast-stemmer-1.0.2 for inspection.
Results logged to D:/Program Files (x86)/Ruby200-x64/lib/ruby/gems/2.0.0/extensi
ons/x64-mingw32/2.0.0/fast-stemmer-1.0.2/gem_make.out