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

python3-grpcio: correct asm for boringssl
https://github.com/void-linux/void-packages/pull/28816

Description:
The line was changed to:

	if BUILD_WITH_BORING_SSL_ASM and not BUILD_WITH_SYSTEM_OPENSSL:

---

I'm not sure if we should switch to use system's {open,libre}ssl instead of bundled boringssl.
Also `re2-devel`.