There is an updated pull request by Calandracas606 against master on the void-packages repository

https://github.com/Calandracas606/void-packages libraw-OpenMP
https://github.com/void-linux/void-packages/pull/46768

libraw: Enable OpenMP, adopt.

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

#### Local build testing
- I built this PR locally for my native architecture, x86_64-glibc
- I built this PR locally for these architectures (crossbuilds):
  - aarch64-musl
  - armv7l
  - armv6l-musl


A patch file from https://github.com/void-linux/void-packages/pull/46768.patch is attached