--- openssl-1.1.1g/Configurations/10-main.conf	2020-04-21 14:22:39.000000000 +0200
+++ openssl-1.1.1g-Darwin64-aarch64-cc/Configurations/10-main.conf	2020-08-04 11:48:42.000000000 +0200
@@ -1557,6 +1557,13 @@
         bn_ops           => "SIXTY_FOUR_BIT_LONG",
         perlasm_scheme   => "macosx",
     },
+    "darwin64-aarch64-cc" => {
+        inherit_from     => [ "darwin-common" ],
+        CFLAGS           => add("-Wall"),
+        cflags           => add("-arch arm64"),
+        lib_cppflags     => add("-DL_ENDIAN"),
+        bn_ops           => "SIXTY_FOUR_BIT_LONG",
+    },
 
 ##### GNU Hurd
     "hurd-x86" => {