From bd508b6fb1cf41646525950b6f02bfccc5b540e3 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sun, 16 Jan 2022 11:49:27 +0800
Subject: support old core

---
 xmake/core/base/tty.lua | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/xmake/core/base/tty.lua b/xmake/core/base/tty.lua
index a744f12e0..4ef3bb768 100644
--- a/xmake/core/base/tty.lua
+++ b/xmake/core/base/tty.lua
@@ -402,12 +402,14 @@ end
 --
 function tty.term_mode(stdtype, newmode)
     local oldmode = 0
-    if stdtype == "stdin" then
-        oldmode = tty._term_mode(1, newmode)
-    elseif stdtype == "stdout" then
-        oldmode = tty._term_mode(2, newmode)
-    elseif stdtype == "stderr" then
-        oldmode = tty._term_mode(3, newmode)
+    if tty._term_mode then
+        if stdtype == "stdin" then
+            oldmode = tty._term_mode(1, newmode)
+        elseif stdtype == "stdout" then
+            oldmode = tty._term_mode(2, newmode)
+        elseif stdtype == "stderr" then
+            oldmode = tty._term_mode(3, newmode)
+        end
     end
     return oldmode
 end
-- 
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