Use LLVM_LINK_LLVM_DYLIB only on linux-gnu and apple-darwin
Use LLVM_LINK_LLVM_DYLIB only on linux-gnu and apple-darwin

GBGamer/rust,GBGamer/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,aidancully/rust,graydon/rust,GBGamer/rust,GBGamer/rust,graydon/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,GBGamer/rust