force the use of Xargo when compiling compiler-builtins
@@ -46,6 +46,10 @@ main() {
https://github.com/rust-lang-nursery/compiler-builtins $td
pushd $td
+ cat > Cross.toml <<EOF
+[build]
+xargo = true
+EOF
cross build --features c --lib --target $TARGET
popd
