Question 1

How to install Extra CMake Modules?

Accepted Answer

ECM can be installed by cloning the GitHub repository and adding it to your CMake module path, or via package managers like apt on Linux. Check the documentation for specific steps, as the README points to api.kde.org for details.

Question 2

ECM vs standard CMake modules: which should I use?

Accepted Answer

Use ECM if you need enhanced find modules, reusable functions for common tasks, or KDE-standardized settings; stick to standard CMake for minimal setups or if you prefer to avoid external dependencies. ECM extends CMake rather than replacing it.

Question 3

Can I use ECM for a non-KDE project?

Accepted Answer

Yes, ECM is intended for any CMake-based project, but some modules are KDE-specific. You can selectively use components like find modules or toolchain files that fit your needs, though you might not benefit from all features.

Question 4

What common tasks does ECM automate in CMake?

Accepted Answer

ECM automates tasks such as setting up compiler flags, handling translations, installing files, and more through functions like ecm_setup_install(). Specific examples are detailed in the documentation to reduce boilerplate.

Question 5

Is ECM compatible with the latest CMake version?

Accepted Answer

ECM generally supports recent CMake versions, but compatibility can vary; check the documentation or release notes for specifics, as it's maintained alongside KDE's requirements and may lag behind CMake updates.

Question 6

How do I use ECM find modules in my CMakeLists.txt?

Accepted Answer

After installing ECM, include it with find_package(ECM REQUIRED) and then use ECM-enhanced find_package() calls for dependencies. Refer to the documentation for module names and usage examples to integrate smoothly.

extra-cmake-modules

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