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

https://github.com/ericonr/void-packages auto
https://github.com/void-linux/void-packages/pull/26530

autoconf_cache/musl-linux: fix sigprogmask value.
It was "1", should have been "yes". This fixes building gettext.

Fixes building #26514 for musl.

A patch file from https://github.com/void-linux/void-packages/pull/26530.patch is attached