Ail*_* Du 31 ruby ruby-on-rails ruby-c-extension
我最近更新到Mountain Lion并重新安装了Ruby,但是当我尝试运行测试Rails应用程序时,我收到一条错误消息,指出我的系统上"当前未安装Rails".我按照它说的做,输入sudo gem install rails并获得:
cleared faster_require caches due to new gem install...
Successfully installed rails-3.2.7
1 gem installed
Installing ri documentation for rails-3.2.7...
Installing RDoc documentation for rails-3.2.7...
但是当我检查安装哪个rails版本时,我得到的是:
Rails is not currently installed on this system. To get the latest version, simply type:
$ sudo gem install rails
You can then rerun your "rails" command.
我也尝试过gem install rails:
Building native extensions. This could take a while...
ERROR: Error installing rails:
ERROR: Failed to build gem native extension.
/Users/aileen/.rvm/rubies/ruby-1.9.3-p194/bin/ruby extconf.rb
creating Makefile
make
compiling generator.c
make: /usr/bin/gcc-4.2: No such file or directory
make: *** [generator.o] Error 1
Gem files will remain installed in /Users/aileen/.rvm/gems/ruby-1.9.3-p194@rails327/gems/json-1.7.4 for inspection.
Results logged to /Users/aileen/.rvm/gems/ruby-1.9.3-p194@rails327/gems/json-1.7.4/ext/json/ext/generator/gem_make.out
Fra*_*ini 40
我看到你在OS X 10.8.2(Mountain lion)上使用rvm使用ruby 1.9.3.rails 引用的一些宝石可能需要在/ usr/bin中使用gcc-4.2来构建本机扩展.
在Mountain Lion中,即使安装了Xcode 4.5 CLI工具(打开菜单XCode - Preferences..Download - >命令行工具),你得到/ usr/bin/gcc但不是/usr/bin/gcc-4.2 ; 遗憾的是,某些原生扩展的构建过程依赖于/usr/bin/gcc-4.2
但是我只是在你的环境中顺利安装了导轨.我之前修改了Carina C. Zona博客文章中讨论的环境:修复"make:/usr/bin/gcc-4.2:没有这样的文件或目录",即:
确保你已经安装了Homebrew
brew - 版本
应报告0.9.3或更高
brew更新
现在你可以安装gcc-4.2并创建一个符号链接链接,它由构建系统所考虑
brew tap homebrew/dupes
brew安装apple-gcc42
sudo ln -s /usr/local/bin/gcc-4.2 /usr/bin/gcc-4.2
现在您已准备好成功安装rails
宝石安装导轨
你应该得到像这样的输出
Run Code Online (Sandbox Code Playgroud)Fetching: i18n-0.6.1.gem (100%) Fetching: activesupport-3.2.8.gem (100%) Fetching: builder-3.0.4.gem (100%) Fetching: activemodel-3.2.8.gem (100%) Fetching: rack-cache-1.2.gem (100%) Fetching: rack-test-0.6.2.gem (100%) Fetching: journey-1.0.4.gem (100%) Fetching: hike-1.2.1.gem (100%) Fetching: sprockets-2.1.3.gem (100%) Fetching: erubis-2.7.0.gem (100%) Fetching: actionpack-3.2.8.gem (100%) Fetching: arel-3.0.2.gem (100%) Fetching: tzinfo-0.3.34.gem (100%) Fetching: activerecord-3.2.8.gem (100%) Fetching: activeresource-3.2.8.gem (100%) Fetching: polyglot-0.3.3.gem (100%) Fetching: treetop-1.4.12.gem (100%) Fetching: mail-2.4.4.gem (100%) Fetching: actionmailer-3.2.8.gem (100%) Fetching: rack-ssl-1.3.2.gem (100%) Fetching: railties-3.2.8.gem (100%) Fetching: rails-3.2.8.gem (100%) Successfully installed i18n-0.6.1 Successfully installed activesupport-3.2.8 Successfully installed builder-3.0.4 Successfully installed activemodel-3.2.8 Successfully installed rack-cache-1.2 Successfully installed rack-test-0.6.2 Successfully installed journey-1.0.4 Successfully installed hike-1.2.1 Successfully installed sprockets-2.1.3 Successfully installed erubis-2.7.0 Successfully installed actionpack-3.2.8 Successfully installed arel-3.0.2 Successfully installed tzinfo-0.3.34 Successfully installed activerecord-3.2.8 Successfully installed activeresource-3.2.8 Successfully installed polyglot-0.3.3 Successfully installed treetop-1.4.12 Successfully installed mail-2.4.4 Successfully installed actionmailer-3.2.8 Successfully installed rack-ssl-1.3.2 Successfully installed railties-3.2.8 Successfully installed rails-3.2.8 22 gems installed Installing ri documentation for i18n-0.6.1... Building YARD (yri) index for i18n-0.6.1... Installing ri documentation for activesupport-3.2.8... Building YARD (yri) index for activesupport-3.2.8... Installing ri documentation for builder-3.0.4... Building YARD (yri) index for builder-3.0.4... Installing ri documentation for activemodel-3.2.8... Building YARD (yri) index for activemodel-3.2.8... Installing ri documentation for rack-cache-1.2... Building YARD (yri) index for rack-cache-1.2... Installing ri documentation for rack-test-0.6.2... Building YARD (yri) index for rack-test-0.6.2... Installing ri documentation for journey-1.0.4... Building YARD (yri) index for journey-1.0.4... Installing ri documentation for hike-1.2.1... Building YARD (yri) index for hike-1.2.1... Installing ri documentation for sprockets-2.1.3... Building YARD (yri) index for sprockets-2.1.3... Installing ri documentation for erubis-2.7.0... Building YARD (yri) index for erubis-2.7.0... Installing ri documentation for actionpack-3.2.8... Building YARD (yri) index for actionpack-3.2.8... Installing ri documentation for arel-3.0.2... Building YARD (yri) index for arel-3.0.2... Installing ri documentation for tzinfo-0.3.34... Building YARD (yri) index for tzinfo-0.3.34... Installing ri documentation for activerecord-3.2.8... Building YARD (yri) index for activerecord-3.2.8... Installing ri documentation for activeresource-3.2.8... Building YARD (yri) index for activeresource-3.2.8... Installing ri documentation for polyglot-0.3.3... Building YARD (yri) index for polyglot-0.3.3... Installing ri documentation for treetop-1.4.12... Building YARD (yri) index for treetop-1.4.12... Installing ri documentation for mail-2.4.4... Building YARD (yri) index for mail-2.4.4... Installing ri documentation for actionmailer-3.2.8... Building YARD (yri) index for actionmailer-3.2.8... Installing ri documentation for rack-ssl-1.3.2... Building YARD (yri) index for rack-ssl-1.3.2... Installing ri documentation for railties-3.2.8... Building YARD (yri) index for railties-3.2.8... Installing ri documentation for rails-3.2.8... Building YARD (yri) index for rails-3.2.8... Installing RDoc documentation for i18n-0.6.1... Installing RDoc documentation for activesupport-3.2.8... Installing RDoc documentation for builder-3.0.4... Installing RDoc documentation for activemodel-3.2.8... Installing RDoc documentation for rack-cache-1.2... Installing RDoc documentation for rack-test-0.6.2... Installing RDoc documentation for journey-1.0.4... Installing RDoc documentation for hike-1.2.1... Installing RDoc documentation for sprockets-2.1.3... Installing RDoc documentation for erubis-2.7.0... Installing RDoc documentation for actionpack-3.2.8... Installing RDoc documentation for arel-3.0.2... Installing RDoc documentation for tzinfo-0.3.34... Installing RDoc documentation for activerecord-3.2.8... Installing RDoc documentation for activeresource-3.2.8... Installing RDoc documentation for polyglot-0.3.3... Installing RDoc documentation for treetop-1.4.12... Installing RDoc documentation for mail-2.4.4... Installing RDoc documentation for actionmailer-3.2.8... Installing RDoc documentation for rack-ssl-1.3.2... Installing RDoc documentation for railties-3.2.8... Installing RDoc documentation for rails-3.2.8...
@Franco是正确的:"原生扩展"构建脚本期望/usr/bin/gcc-4.2,这在OS X Mountain Lion中不存在.
sudo ln -s /usr/bin/gcc /usr/bin/gcc-4.2这不是具体的"轨道"宝石问题.任何构建"本机扩展"的gem都会失败:
Gem :: Installer :: ExtensionBuildError:错误:无法构建gem原生扩展.[...]您必须先安装开发工具.
在我的情况下,我试图安装octopress,这取决于一个名为RedCloth的东西.
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