From f412469546d3e95a9d176c8ec231674f677a4f67 Mon Sep 17 00:00:00 2001
From: Rbb666 <64397326+Rbb666@users.noreply.github.com>
Date: Mon, 12 Oct 2026 09:14:52 +0800
Subject: [PATCH] [tools][build] Fail when the toolchain directory is missing

---
 tools/building.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/building.py b/tools/building.py
index 125da8521e76..7abedd4f27e6 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -1067,7 +1067,7 @@ def EndBuilding(target, program = None):
     if not GetOption('help') and not GetOption('target'):
         if not os.path.exists(rtconfig.EXEC_PATH):
             print ("Error: the toolchain path (" + rtconfig.EXEC_PATH + ") is not exist, please check 'EXEC_PATH' in path or rtconfig.py.")
-            need_exit = True
+            sys.exit(1)
 
     if need_exit:
         exit(0)