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

https://github.com/nilium/ecks-bops-packages ponyc
https://github.com/void-linux/void-packages/pull/18748

ponyc: update to 0.33.2.
Updated to LLVM 9 now that ponyc uses it.

Adds which as the makefile uses it regardless of whether LLVM_CONFIG is
set, resulting in an error because it cannot find an llvm-config.

A patch file from https://github.com/void-linux/void-packages/pull/18748.patch is attached