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我正在尝试为 ruby​​ 项目设置环境。但是当我运行“bundle”时，在安装“fii”gem 时出现错误：


    Installing ffi (1.8.1) 
    Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/bmalets/.rvm/rubies/ruby-1.9.3-p448/bin/ruby extconf.rb 
    checking for ffi.h... *** extconf.rb failed ***
    Could not create Makefile due to some reason, probably lack of
    necessary libraries and/or headers.  Check the mkmf.log file for more
    details.  You may need configuration options.

    /Users/bmalets/.rvm/rubies/ruby-1.9.3-p448/lib/ruby/1.9.1/mkmf.rb:381:in `try_do': The compiler failed to generate an executable file. (RuntimeError)
    You have to install development tools first.

    Gem files will remain installed in /Users/bmalets/.rvm/gems/ruby-1.9.3-p448@api2/gems/ffi-1.8.1 for inspection.
    Results logged to /Users/bmalets/.rvm/gems/ruby-1.9.3-p448@api2/gems/ffi-1.8.1/ext/ffi_c/gem_make.out

    An error occurred while installing ffi (1.8.1), and Bundler cannot continue.
    Make sure that `gem install ffi -v '1.8.1'` succeeds before bundling.

我的环境：

  • OS_X 10.8.4

  • 红宝石 1.9.3p448

  • Xcode 4.6.3

  • libffi-3.0.13

请帮我解决它。

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1 回答 1

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确保你已经安装了 Apple Xcode 和命令行工具（看这个截图）：

https://developer.apple.com/technologies/tools/

之后，别忘了安装 libffi。

1）如果您使用的是自制软件

brew install libffi

2) 如果您使用的是 macport

sudo port install libffi
于 2013-07-21T17:56:01.240 回答