New comment by andrewrk on void-packages repository

https://github.com/void-linux/void-packages/issues/24959#issuecomment-695106428

Comment:
zig does not use dlopen or dlclose. llvm does. so llvm should be reporting -ldl in --system-libs.

on my system it does:

```
andy@ark ~> ~/local/llvm10-release/bin/llvm-config --system-libs
-lz -lrt -ldl -lpthread -lm
```