There is an updated pull request by tornaria against master on the void-packages repository

https://github.com/tornaria/void-packages cysignals
https://github.com/void-linux/void-packages/pull/46738

Fix cross-build for cysignals, cypari2, fpylll, primecountpy, pplpy
Summary of changes:
- python3-cysignals: update to 1.11.4, fix cross-build.
- python3-cypari2: update to 2.1.4, fix cross-build.
- fplll: update to 5.4.5.
- python3-fpylll: update to 0.6.0, fix cross-build.
- python3-primecountpy: fix cross-build.
- python3-pplpy: update to 0.8.9, fix cross-build.

#### Testing the changes
- I tested the changes in this PR: **briefly**

Note that pplpy is still building with Cython0.29 as the cython version has to match the one used to build sagemath. We'll switch to Cython 3 when sagemath 10.2 is released.

@dkwo some cross pkgs for you.

<!--
#### New package
- This new package conforms to the [package requirements](https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#package-requirements): **YES**|**NO**
-->

<!-- Note: If the build is likely to take more than 2 hours, please add ci skip tag as described in
https://github.com/void-linux/void-packages/blob/master/CONTRIBUTING.md#continuous-integration
and test at least one native build and, if supported, at least one cross build.
Ignore this section if this PR is not skipping CI.
-->
<!--
#### Local build testing
- I built this PR locally for my native architecture, (ARCH-LIBC)
- I built this PR locally for these architectures (if supported. mark crossbuilds):
  - aarch64-musl
  - armv7l
  - armv6l-musl
-->


A patch file from https://github.com/void-linux/void-packages/pull/46738.patch is attached