How do I Fix the \"Failed to build gem native extension\" Error When Installing MySQL?

Failed MySQL Native Extension Build Error Troubleshooting

When attempting to install MySQL via the gem command, users may encounter the "Failed to build gem native extension" error. This error stems from issues finding the necessary header files for Ruby during the native extension build process.

The error message typically includes warnings about insecure world writable directories in the PATH environment variable, indicating that there may be issues with the Ruby installation or system configuration.

To resolve this error, try the following steps:

• Check that the correct version of Ruby is installed and in the PATH environment variable.
• Inspect the gem_make.out file in the gem's ext/mysql_api directory for specific build errors.
• Verify that the necessary development packages for MySQL are installed on your system. On Debian or Ubuntu systems, install the libmysqlclient-dev package.
• Ensure that the MySQL header files are accessible from the system's include directory.
• Recompile and reinstall Ruby or MySQL if necessary.
• If all else fails, consult MySQL and Ruby documentation for further troubleshooting tips.

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