From 01242ee24f8a0eb5adc3ae7667d0fef180944a31 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=9F=B3=E6=99=93=E4=BC=9F?=
 <39303645+Shixiaowei02@users.noreply.github.com>
Date: Wed, 23 Sep 2020 14:42:22 +0800
Subject: [PATCH] [windows]win32 thread-local support (#4409)

---
 lite/utils/macros.h | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lite/utils/macros.h b/lite/utils/macros.h
index 5c2f85e92c..632a99627a 100644
--- a/lite/utils/macros.h
+++ b/lite/utils/macros.h
@@ -59,8 +59,11 @@
 // Thread local storage will be ignored because the linker for iOS 8 does not
 // support it.
 #define LITE_THREAD_LOCAL
-#elif __cplusplus >= 201103
+#elif defined(__cplusplus) && (__cplusplus >= 201103)
+#define LITE_THREAD_LOCAL thread_local
+#elif defined(_WIN32)
+// The MSVC compiler does not support standards switches for C++11.
 #define LITE_THREAD_LOCAL thread_local
 #else
-#error "C++11 support is required for paddle-lite compilation."
+#error "[Paddle-Lite] C++11 support is required for paddle-lite compilation."
 #endif
-- 
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