There's a merged pull request on the void-packages repository

pixman: update to 0.40.0.
https://github.com/void-linux/void-packages/pull/25301

Description:
Update links, simplify musl patch.

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I'm not sure I understand the musl patch. The main thing with musl is that thread stack size is small, so putting the array in thread storage seems worse than leaving it in the main stack.