使用下载的sdk（iOS）中的ruby脚本编译时报错：

ruby build-framework.rb

ruby: No such file or directory — build-framework.rb (LoadError)

ACA801E8:leancloud-objc-sdk leebeen$ ruby build-framework.rb

ruby: No such file or directory — build-framework.rb (LoadError)

ACA801E8:leancloud-objc-sdk leebeen$ cd Legacy_script/

ACA801E8:Legacy_script leebeen$ ruby build-framework.rb

/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require’: cannot load such file — xcodeproj (LoadError)

from /System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/lib/ruby/2.3.0/rubygems/core_ext/kernel_require.rb:55:in `require’

from build-framework.rb:8:in `<main>’

该肿么办呢？

谢谢。