Question 1

How to install cpp-dependencies on Windows?

Accepted Answer

Build from source using CMake and Visual Studio as per the README, or use the Snap package if available, but note that it's primarily tested on Linux and macOS.

Question 2

cpp-dependencies vs Include What You Use for C++ analysis?

Accepted Answer

cpp-dependencies is faster and focuses on visualization and cycle detection using string scanning, while IWYU does deeper, more accurate parsing for include optimization but is slower.

Question 3

How to visualize dependencies with cpp-dependencies and GraphViz?

Accepted Answer

Run 'cpp-dependencies --graph output.dot .' to create a .dot file, then use 'dot -Tpng output.dot > output.png' from GraphViz to generate an image, but beware of long render times for large graphs.

Question 4

Does cpp-dependencies work with C++20 modules?

Accepted Answer

No, since it scans for #include directives, it likely won't correctly handle C++20 modules, which use different syntax, limiting its usefulness for modern codebases.

Question 5

Can cpp-dependencies handle generated files?

Accepted Answer

Yes, but you need to manually add generated files to the known file list in generated.cpp, as mentioned in the README, for them to be included in the analysis.

Question 6

How accurate is cpp-dependencies compared to Clang-based tools?

Accepted Answer

It's less accurate because it uses fast string scanning instead of full parsing, so it might miss edge cases, but it's much faster for initial dependency exploration.

cpp-dependencies

What is cpp-dependencies?

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