From 56be96c4f36b0de4e00d7022415cba0a92d53b8f Mon Sep 17 00:00:00 2001
From: Craig Everett <zxq9@zxq9.com>
Date: Thu, 14 Aug 2025 10:41:52 +0900
Subject: [PATCH] Update system arch discovery method

---
 src/gmc_con.erl | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/gmc_con.erl b/src/gmc_con.erl
index 7d10351..c8e9b90 100644
--- a/src/gmc_con.erl
+++ b/src/gmc_con.erl
@@ -283,11 +283,13 @@ platform_dir() ->
             {unix, linux} ->
                 "linux_x86_64";
             {unix, darwin} ->
-                case erlang:system_info(system_architecture) of
-                    "aarch64-" ++ _ ->
+                case string:trim(os:cmd("uname -m")) of
+                    "arm64" ->
                         "mac_arm64";
+                    "x86_64" ->
+                        "mac_x86_64";
                     Other ->
-                        ok = log(info, "system_architecture: ~p", [Other]),
+                        ok = log(info, "uname -m: ~p", [Other]),
                         "mac_x86_64"
                 end;
             {win32, nt} ->