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我已经为此苦苦挣扎了一段时间。我正在运行 Mac OS 10.7 (Mountain Lion)，并且正在尝试安装 RMagick gem，以便可以在我的 Rails 3 应用程序中使用它。我已经用自制软件安装了 imagemagick，这似乎成功完成了。我还安装了 XQuartz 包。当我将 'rmagick' 添加到我的 gemfile 并运行 bundle install 时，我收到此错误：

Installing rmagick (2.13.1) with native extensions 
Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension.

        /Users/Andrew/.rvm/rubies/ruby-1.9.3-p125/bin/ruby extconf.rb 
checking for Ruby version >= 1.8.5... yes
extconf.rb:128: Use RbConfig instead of obsolete and deprecated Config.
checking for clang... yes
checking for Magick-config... no
Can't install RMagick 2.13.1. Can't find Magick-config in /Users/Andrew/.rvm/rubies/ruby-1.9.3-p125/bin:/Users/Andrew/.rvm/gems/ruby-1.9.3-p125@global/bin:/Users/Andrew/.rvm/bin:/usr/bin:/bin:/usr/sbin:/sbin

*** 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.

Provided configuration options:
    --with-opt-dir
    --with-opt-include
    --without-opt-include=${opt-dir}/include
    --with-opt-lib
    --without-opt-lib=${opt-dir}/lib
    --with-make-prog
    --without-make-prog
    --srcdir=.
    --curdir
    --ruby=/Users/Andrew/.rvm/rubies/ruby-1.9.3-p125/bin/ruby


Gem files will remain installed in /Users/Andrew/.rvm/gems/ruby-1.9.3-p125@global/gems/rmagick-2.13.1 for inspection.
Results logged to /Users/Andrew/.rvm/gems/ruby-1.9.3-p125@global/gems/rmagick-2.13.1/ext/RMagick/gem_make.out
An error occured while installing rmagick (2.13.1), and Bundler cannot continue.
Make sure that `gem install rmagick -v '2.13.1'` succeeds before bundling.

Process finished with exit code 5

知道为什么会这样吗？

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1 回答 1

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按照以下步骤修复它。啊！

  1. 安装 XCode 4.4
  2. 安装命令行工具（来自 Xcode 中的首选项）
  3. 安装 XQuartz
  4. 安装 ImageMagic (brew install —vd imagemagick)
  5. sudo ln -s /usr/bin/llvm-gcc-4.2 /usr/bin/gcc-4.2
  6. mdfind MagickWand.h（获取 MagickWand.h 文件的路径）
  7. C_INCLUDE_PATH=/usr/local/Cellar/imagemagick/6.7.7-6/include/ImageMagick gem install rmagick
于 2012-11-01T00:52:12.070 回答