--- configure.ac	2024-03-24 21:02:33.000000000 +0800
+++ configure.ac	2024-04-05 10:19:13.000000000 +0800
@@ -738,11 +738,6 @@
 
   ## Apple Darwin / macOS
   *-apple-darwin* )
-    case "${canonical}" in
-      *-apple-darwin[0-9].*) unported=yes ;;
-      i[3456]86-* | x86_64-* | arm-* | aarch64-* )  ;;
-      * )            unported=yes ;;
-    esac
     opsys=darwin
     ## FIXME: Find a way to use Fink if available (Bug#11507).
   ;;
