Merge branch '3.15-rust-in-cpython' of github.com:Rust-for-CPython/cpython into 3.15-update-configure

Author: emmatyping

configure

@@ -4342,6 +4342,9 @@ else
       esac
       CARGO_TARGET="${cargo_host%%-apple-darwin*}-apple-darwin"
       ;;
+    *-pc-linux-*)
+      CARGO_TARGET=$(echo "$host" | sed 's/-pc-linux-/-unknown-linux-/')
+      ;;
     *)
       CARGO_TARGET="$host"
       ;;