Description: Eclass is a reusable set of functions and variables in build scripts that can be shared among multiple packages in package management systems. Its main goal is to facilitate the creation and maintenance of these scripts, which describe how to install and manage software. Eclass allows developers to define common behaviors and configurations that can be utilized by various packages, reducing redundancy and improving efficiency in the development process. Each Eclass can contain specific functions that are invoked in the main scripts, as well as variables that can be configured according to the needs of the package. This not only simplifies the work of maintainers but also ensures greater consistency in how packages are managed within the system. Additionally, Eclass allows for the extension of functionalities, meaning developers can create their own custom Eclasses to meet specific requirements of their applications, thus contributing to the flexibility and adaptability of the broader system.