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Rails报告错误：无法构建gem原生扩展
我已经安装了最新的命令行工具，并在此主题的其他线程上执行了相应的步骤。我知道这似乎是重复的，但我在这里看不到任何问题的答案： Jacobs-MacBook-Pro:~ jacob$ sudo gem install rails Building native extensions. This could take a while... ERROR: Error installing rails: ERROR: Failed to build gem native extension. /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby extconf.rb checking if the C compiler accepts ... *** extconf.rb failed *** Could not create Makefile due to some reason, probably lack of …