From 0d6c065b3b20d98ae8a986a179f792923be3dbc3 Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 17 Apr 2019 23:44:32 +0800
Subject: fix check option

---
 xmake/core/project/option.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/xmake/core/project/option.lua b/xmake/core/project/option.lua
index 71caeba63..357cb5380 100644
--- a/xmake/core/project/option.lua
+++ b/xmake/core/project/option.lua
@@ -73,7 +73,7 @@ function _instance:_do_check()
     self._check_cxsnippets = self._check_cxsnippets or sandbox_module.import("lib.detect.check_cxsnippets", {anonymous = true})
 
     -- check for c and c++
-    local passed = false
+    local passed = nil
     for _, kind in ipairs({"c", "cxx"}) do
 
         -- get conditions
@@ -107,6 +107,8 @@ function _instance:_do_check()
             -- passed?
             if results_or_errors then
                 passed = true
+            else
+                passed = false
                 break
             end
         end
-- 
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