How To Install ccls on Ubuntu 22.04
Introduction
In this tutorial we learn how to install ccls on Ubuntu 22.04.
What is ccls
ccls is:
This originates from cquery, and is a server implementing Language Server Protocol for C/C++/Objective-C. It supports:
- code completion (with both signature help and snippets)
- definition/references, and other cross references
- cross reference extensions: $ccls/call $ccls/inheritance $ccls/member $ccls/vars …
- formatting
- hierarchies: call (caller/callee) hierarchy, inheritance (base/derived) hierarchy, member hierarchy
- symbol rename
- document symbols and approximate search of workspace symbol
- hover information
- diagnostics and code actions (clang FixIts)
- semantic highlighting and preprocessor skipped regions
- semantic navigation: $ccls/navigate
There are three methods to install ccls on Ubuntu 22.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install ccls Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install ccls using apt-get by running the following command:
sudo apt-get -y install ccls
Install ccls Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install ccls using apt by running the following command:
sudo apt -y install ccls
Install ccls Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install ccls using aptitude by running the following command:
sudo aptitude -y install ccls
How To Uninstall ccls on Ubuntu 22.04
To uninstall only the ccls package we can use the following command:
sudo apt-get remove ccls
Uninstall ccls And Its Dependencies
To uninstall ccls and its dependencies that are no longer needed by Ubuntu 22.04, we can use the command below:
sudo apt-get -y autoremove ccls
Remove ccls Configurations and Data
To remove ccls configuration and data from Ubuntu 22.04 we can use the following command:
sudo apt-get -y purge ccls
Remove ccls configuration, data, and all of its dependencies
We can use the following command to remove ccls configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge ccls
References
Summary
In this tutorial we learn how to install ccls package on Ubuntu 22.04 using different package management tools: apt, apt-get and aptitude.
