我正在尝试在 Mavericks 上运行一个相当古老的 Rails 应用程序,其中一项要求是: - ruby ree-1.8.7-2009.10 - rails 3.0.0 - libxml-ruby 1.1.4(这是与其余 gem 兼容的最新版本。
我安装了最新的 libxml2 包。它是 Homebrew (2.9.1) 的版本。
为了安装这个 gem,我使用了以下命令:
$ CC=gcc-4.2 gem install libxml-ruby -v '1.1.4'
输出提示成功:
Building native extensions. This could take a while...
Successfully installed libxml-ruby-1.1.4
1 gem installed
尽管当我尝试运行一些 rake 任务时,即创建数据库 捆绑执行 rake db:create
我收到以下错误:
$ bundle exec rake db:create [ree-1.8.7-2009.10@mygemset]
rake aborted!
dlsym(0x7ffa2d83bbe0, Init_libxml_ruby): symbol not found - /Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/libxml-ruby-1.1.4/lib/libxml_ruby.bundle
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/libxml-ruby-1.1.4/lib/libxml_ruby.bundle
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:225:in `load_dependency'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:597:in `new_constants_in'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:225:in `load_dependency'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/libxml-ruby-1.1.4/lib/libxml.rb:9
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:225:in `load_dependency'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:597:in `new_constants_in'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:225:in `load_dependency'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/Developer/my-project/vendor/private_gems/restful_authentication-1.4.9/lib/sso/sso.rb:3
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:225:in `load_dependency'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:597:in `new_constants_in'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:225:in `load_dependency'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@mygemset/gems/activesupport-3.0.20/lib/active_support/dependencies.rb:242:in `require'
/Users/myuser/Developer/my-project/vendor/private_gems/restful_authentication-1.4.9/lib/restful_sso_authentication.rb:2
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler/runtime.rb:76:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler/runtime.rb:76:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler/runtime.rb:72:in `each'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler/runtime.rb:72:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler/runtime.rb:61:in `each'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler/runtime.rb:61:in `require'
/Users/myuser/.rvm/gems/ree-1.8.7-2009.10@global/gems/bundler-1.5.2/lib/bundler.rb:131:in `require'
/Users/myuser/Developer/my-project/config/application.rb:5
/Users/myuser/Developer/my-project/Rakefile:6:in `require'
/Users/myuser/Developer/my-project/Rakefile:6
(See full trace by running task with --trace)
我已经尝试了很多可以在 Internet 上找到的方法(最相关的例子是关于安装 Nokogiri 的问题和列出的类似错误),但都没有奏效。
最佳答案
这是我在各种 Mac 操作系统上长期安装 Rubies 的方法。对我来说,任何图书馆或 gem 都没有问题。例如更复杂的 Nokogiri gem 构建和工作就像一个魅力。
检查 XCode 版本
xcodebuild -version
xcode-select --install
根据文档安装 Homebrew
安装先决条件
brew doctor; # Just do what it wants!
brew update;
brew upgrade; # Watch out! for existing bottles
brew install libtool libxml2 libxslt openssl sqlite libyaml;
brew install autoconf automake apple-gcc42;
brew cleanup; # Watch out! for existing bottles
brew tap homebrew/dupes; # Watch out! for existing bottles
安装 RVM
curl -L https://get.rvm.io | bash -s stable # Latest stable
rvm get latest
rvm reload # :)
rvm autolibs enable
rvm requirements
安装 ruby
rvm install 2.1 --disable-binary
关于ruby-on-rails - Gem libxml-ruby (1.1.4) 安装但在运行时失败,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/21192772/