From 87953f1382329442fa62d6861dcd0ff55f843b64 Mon Sep 17 00:00:00 2001
From: Yuhang Zhao <2546789017@qq.com>
Date: Tue, 6 Dec 2022 11:43:05 +0800
Subject: [PATCH] cmake: minor tweaks

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
---
 src/core/VC-LTL.cmake | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/core/VC-LTL.cmake b/src/core/VC-LTL.cmake
index 8e52de1..2bab2f2 100644
--- a/src/core/VC-LTL.cmake
+++ b/src/core/VC-LTL.cmake
@@ -19,8 +19,10 @@
 #  如果你对默认搜索顺序不满，你可以修改此文件。你也可以直接指定${VC_LTL_Root}宏更加任性的去加载VC-LTL。
 #
 
-
-
+if(NOT MSVC OR DEFINED __VC_LTL_CMAKE_INCLUDE_GUARD)
+    return()
+endif()
+set(__VC_LTL_CMAKE_INCLUDE_GUARD 1)
 
 #####################################################################VC-LTL设置#####################################################################