From a4381e1e4b2e07bfc5ecb73feab345ed8394fc04 Mon Sep 17 00:00:00 2001
From: Soumith Chintala <soumith@gmail.com>
Date: Fri, 14 Jul 2017 20:27:20 +0000
Subject: [PATCH] Static linking against libstdc++ in Binary Build mode

---
 lib/THCUNN/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/lib/THCUNN/CMakeLists.txt b/lib/THCUNN/CMakeLists.txt
index d4777bfa..6047d974 100644
--- a/lib/THCUNN/CMakeLists.txt
+++ b/lib/THCUNN/CMakeLists.txt
@@ -29,6 +29,11 @@ IF(NOT CUDA_FOUND)
   FIND_PACKAGE(CUDA 6.5 REQUIRED)
 ENDIF()
 
+IF ($ENV{TH_BINARY_BUILD})
+  MESSAGE(STATUS "TH_BINARY_BUILD detected. Statically linking libstdc++")
+  SET(CMAKE_CXX_FLAGS "-static-libstdc++ ${CMAKE_CXX_FLAGS}")
+ENDIF()
+
 # Detect CUDA architecture and get best NVCC flags
 IF(NOT COMMAND CUDA_SELECT_NVCC_ARCH_FLAGS OR MSVC)
   INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/cmake/select_compute_arch.cmake)