解决“mkmf.rb can't find header files for ruby”问题
(1)sudo rm -rf /Library/Developer/CommandLineTools
(2)xcode-select --install
(3)sudo xcodebuild -license accept
(4)open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg
作者:盘石垂钓
链接:https://www.jianshu.com/p/a86e9b112191
来源:简书
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