There is a new pull request by tornaria against master on the void-packages repository

https://github.com/tornaria/void-packages rankwidth
https://github.com/void-linux/void-packages/pull/41973

rankwidth: remove dependency on igraph
It turns out that rankwidth only depends on igraph for the binary, but we don't ship the binary anyway (for sagemath we only need the library).

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#### Testing the changes
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A patch file from https://github.com/void-linux/void-packages/pull/41973.patch is attached