切换到Xcode 6和Yosemite后来自gems的奇怪消息

Question

我最近改用了Xcode 6和Yosemite.现在,当我运行某些宝石时,我收到以下消息.我在这里看到了同样的错误消息的其他问题,但它们似乎都没有匹配.

这是由于开发环境的已知变化吗？我需要重新安装所有宝石吗？

$ mygem start
Ignoring bigdecimal-1.2.5 because its extensions are not built.  Try: gem pristine bigdecimal-1.2.5
Ignoring debase-0.0.9 because its extensions are not built.  Try: gem pristine debase-0.0.9
Ignoring ffi-1.9.3 because its extensions are not built.  Try: gem pristine ffi-1.9.3
Ignoring redcarpet-3.1.1 because its extensions are not built.  Try: gem pristine redcarpet-3.1.1
Ignoring xcodeproj-0.17.0 because its extensions are not built.  Try: gem pristine xcodeproj-0.17.0
Ignoring bigdecimal-1.2.5 because its extensions are not built.  Try: gem pristine bigdecimal-1.2.5
Ignoring debase-0.0.9 because its extensions are not built.  Try: gem pristine debase-0.0.9
Ignoring ffi-1.9.3 because its extensions are not built.  Try: gem pristine ffi-1.9.3
Ignoring redcarpet-3.1.1 because its extensions are not built.  Try: gem pristine redcarpet-3.1.1
Ignoring xcodeproj-0.17.0 because its extensions are not built.  Try: gem pristine xcodeproj-0.17.0

Answer 1

对于每个被忽略的gem,您必须运行:

gem install %gemname%

然后

gem pristine %gemname%