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Valentino Stoll
Valentino Stoll

Posted on • Originally published at on

How to fix all Ruby "Failed to build gem native extension" Errors in OS X

cp /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg ~/Desktop && open ~/Desktop/macOS_SDK_headers_for_macOS_10.14.pkg

How to fix all Ruby

Boom. Now start removing all those pesky overrides you set in ~/.bundle/config

All credit goes to the amazing João Rocha da Silva. Be sure to check out his detailed write-up on why you need to do this. TLDR; Mac OS X 10.14 no longer places the include libraries in the standard /usr/include directory and locked by SIP.

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