From 991826317a4192cd4fb3e8505a4a7c60c0fe830c Mon Sep 17 00:00:00 2001
From: Leding Li <lileding@gmail.com>
Date: Thu, 14 Dec 2017 17:23:39 +0800
Subject: [PATCH] Add extern "C" to paddle_error_string (#6611)

---
 paddle/capi/error.cpp | 2 +-
 paddle/capi/error.h   | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/paddle/capi/error.cpp b/paddle/capi/error.cpp
index 169b65f921..96ce31b45f 100644
--- a/paddle/capi/error.cpp
+++ b/paddle/capi/error.cpp
@@ -14,7 +14,7 @@ limitations under the License. */
 
 #include "error.h"
 
-const char* paddle_error_string(paddle_error err) {
+extern "C" const char* paddle_error_string(paddle_error err) {
   switch (err) {
     case kPD_NULLPTR:
       return "nullptr error";
diff --git a/paddle/capi/error.h b/paddle/capi/error.h
index 9d9d0ed63a..2da9e0a3ef 100644
--- a/paddle/capi/error.h
+++ b/paddle/capi/error.h
@@ -29,9 +29,17 @@ typedef enum {
   kPD_UNDEFINED_ERROR = -1,
 } paddle_error;
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  * Error string for Paddle API.
  */
 PD_API const char* paddle_error_string(paddle_error err);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif
-- 
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