How To Install iwyu on CentOS 7

In this tutorial we learn how to install iwyu on CentOS 7. iwyu is C/C++ source files #include analyzer based on clang

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.