Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension.

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When we are getting problem with mysql like :-

Building native extensions. This could take a while... ERROR: Error installing mysql: ERROR: Failed to build gem native extension.

If we want to solve this problem so firstly we need to uninstall the mysql :-

Uninstall mysql :-

https://www.linuxhelp.com/how-to-remove-mysql-package-completely-on-ubuntu-16-04/

Then we need to install the mysql :-


Then install the mysql gem :-

gem install mysql 

After that run the below command :-

sudo apt-get install libmysqlclient-dev
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