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
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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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[–] thblt@alien.top 2 points 1 year ago

clangd and probably other linters can warn about this. False positives are possible, though: an include may very well be unused in a given build configuration, but enabled in another.