Why is My MySQL Gem Installation Failing with \"Failed to Build Native Extension\"?

MySQL Installation Issue: Failure to Build Native Extension

Problem:

Users attempting to install MySQL via gem install mysql encounter the error "Failed to build gem native extension."

Possible Causes:

1. Insecure World Writable Directories in PATH: Warnings indicating insecure world writable directories in PATH may be present.
2. Missing Header Files for Ruby: The error message includes the warning "mkmf.rb can't find header files for ruby at /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/lib/ruby/ruby.h."

Solution for Debian/Ubuntu Systems:

Install the libmysqlclient-dev package using:

sudo apt-get install libmysqlclient-dev

Then, install the MySQL gem:

gem install mysql

This should resolve the issue without encountering any errors.

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