let mut ts = TargetSpec::new();
// `llvm-target`s are taken from `scripts/Makefile.clang`.
- if cfg.has("X86_64") {
+ if cfg.has("ARM64") {
+ panic!("arm64 uses the builtin rustc aarch64-unknown-none target");
+ } else if cfg.has("X86_64") {
ts.push("arch", "x86_64");
ts.push(
"data-layout",