this post was submitted on 09 Nov 2023
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How to detect unused includes in C source code? (alien.top)
submitted 1 year ago by larrasket@alien.top to c/emacs@communick.news
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It's a feature that I miss from Clion, my current workflow is by using a 3rd party linter after my coding session outside of Emacs. I know that I can use the linter with an after-save-hook, but is there any other solutions with flycheck or lsp integrations? (I tried flycheck-clang-tidy but I didn't get any warrings or indicators, not sure if clang-tidy can detect them though)

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[–] john_bergmann@alien.top 1 points 1 year ago

usually the compiler can help here, as it knows what was needed in the code and where the definition came from, including macros. Not sure there is an open-source tol for that though, if clang-tidy does not do it.

as it was said elsewhere, when there are several configurations at play, one needs to be careful.