How To Install iwyu on CentOS 7
Introduction
In this tutorial we learn how to install iwyu on CentOS 7.
What is iwyu
“Include what you use” means this function, variable, or macro) that you use in foo.cc (or foo.cpp), either foo.cc or foo.h should #include a .h file that exports the declaration of that symbol. The include-what-you-use tool is a program that can be built with the clang libraries in order to analyze #includes of source files to find include-what-you-use violations, and suggest fixes for them.
We can use yum or dnf to install iwyu on CentOS 7. In this tutorial we discuss both methods but you only need to choose one of method to install iwyu.
Install iwyu on CentOS 7 Using yum
Update yum database with yum using the following command.
sudo yum makecache
After updating yum database, We can install iwyu using yum by running the following command:
sudo yum -y install iwyu
Install iwyu on CentOS 7 Using dnf
If you don’t have dnf installed you can install DNF on CentOS 7 first.
Update yum database with dnf using the following command.
sudo dnf makecache
After updating yum database, We can install iwyu using dnf by running the following command:
sudo dnf -y install iwyu
How To Uninstall iwyu on CentOS 7
To uninstall only the iwyu package we can use the following command:
sudo dnf remove iwyu
References
Summary
In this tutorial we learn how to install iwyu on CentOS 7 using yum and dnf.