From 174050277aa78ea4d2871c67f72c2307c3ac2120 Mon Sep 17 00:00:00 2001
From: Yang Yu <yuyang18@baidu.com>
Date: Mon, 13 Nov 2017 13:56:41 +0800
Subject: [PATCH] Fix GPU Compile on Linux

---
 paddle/platform/call_once.h | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/paddle/platform/call_once.h b/paddle/platform/call_once.h
index 248baf661..d9f49527d 100644
--- a/paddle/platform/call_once.h
+++ b/paddle/platform/call_once.h
@@ -27,20 +27,22 @@ namespace platform {
 
  This wrap is a hack to avoid this bug.
 */
-template <class Callable, class... Args>
+template <typename Callable, typename... Args>
 inline void call_once(std::once_flag& flag, Callable&& f, Args&&... args) {
   bool good = false;
   std::exception ex;
-  std::call_once(flag, [&]() {
-    try {
-      f(args...);
-      good = true;
-    } catch (const std::exception& e) {
-      ex = e;
-    } catch (...) {
-      ex = std::runtime_error("excption caught in call_once");
-    }
-  });
+  std::call_once(flag,
+                 [&](Args&&... args) {
+                   try {
+                     f(args...);
+                     good = true;
+                   } catch (const std::exception& e) {
+                     ex = e;
+                   } catch (...) {
+                     ex = std::runtime_error("excption caught in call_once");
+                   }
+                 },
+                 args...);
   if (!good) {
     throw std::exception(ex);
   }
-- 
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