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忽略GEM，因为未构建扩展名
在工作和家用计算机上，我最近都使用来将Ruby升级到2.3.1 ruby-install。我chruby用作我的Ruby切换器。 我开始在终端上看到此警告： Ignoring bcrypt-3.1.11 because its extensions are not built. Try: gem pristine bcrypt --version 3.1.11 Ignoring bcrypt-3.1.10 because its extensions are not built. Try: gem pristine bcrypt --version 3.1.10 Ignoring binding_of_caller-0.7.2 because its extensions are not built. Try: gem pristine binding_of_caller --version 0.7.2 Ignoring byebug-9.0.5 because its extensions …