From b36f3ae761a66b426ee37c96450cd72742387911 Mon Sep 17 00:00:00 2001
From: qijun <qijun1994@hotmail.com>
Date: Mon, 7 Aug 2017 10:42:05 +0800
Subject: [PATCH] follow comments and add flags in cuda 8.0

---
 cmake/configure.cmake | 2 +-
 cmake/flags.cmake     | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmake/configure.cmake b/cmake/configure.cmake
index 04cc32732..69220e03f 100644
--- a/cmake/configure.cmake
+++ b/cmake/configure.cmake
@@ -60,7 +60,7 @@ else()
         message(FATAL_ERROR "Paddle need cudnn to compile")
     endif()
 
-    set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-Xcompiler ${SIMD_FLAG}" "--expt-relaxed-constexpr")
+    set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} "-Xcompiler ${SIMD_FLAG}")
 
     # Include cuda and cudnn
     include_directories(${CUDNN_INCLUDE_DIR})
diff --git a/cmake/flags.cmake b/cmake/flags.cmake
index 0803a4e87..e26d8d9df 100644
--- a/cmake/flags.cmake
+++ b/cmake/flags.cmake
@@ -195,6 +195,7 @@ endif()
 # Modern gpu architectures: Pascal
 if (CUDA_VERSION VERSION_GREATER "8.0" OR CUDA_VERSION VERSION_EQUAL "8.0")
       list(APPEND __arch_flags " -gencode arch=compute_60,code=sm_60")
+      list(APPEND CUDA_NVCC_FLAGS --expt-relaxed-constexpr)
 endif()
 
 # Custom gpu architecture
-- 
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