https://paste.sr.ht/~kchibisov/682321e0fd4a3ece4a4b7b71591896f5cd3cdb22
https://github.com/gentoo/gentoo/pull/35246#discussion_r1484525497

diff --git a/compiler/rustc_llvm/build.rs b/compiler/rustc_llvm/build.rs
index f606fa483ca..8a2e1c40e8b 100644
--- a/compiler/rustc_llvm/build.rs
+++ b/compiler/rustc_llvm/build.rs
@@ -237,10 +237,7 @@ fn main() {
     // of llvm-config, not the target that we're attempting to link.
     let mut cmd = Command::new(&llvm_config);
     cmd.arg(llvm_link_arg).arg("--libs");
-
-    if !is_crossed {
-        cmd.arg("--system-libs");
-    }
+    cmd.arg("--system-libs");
 
     if (target.starts_with("arm") && !target.contains("freebsd"))
         || target.starts_with("mips-")