From a799751e33809459584e476ade99a110f4b5500c Mon Sep 17 00:00:00 2001
From: Soumith Chintala <soumith@fb.com>
Date: Tue, 2 Apr 2019 09:36:05 -0700
Subject: [PATCH] Revert D14717015: [pytorch][PR] fix nccl compilation to make
 sure it compiles for architectures that pytorch compiles for

Differential Revision:
D14717015

Original commit changeset: 4aac036f57e5

fbshipit-source-id: c820b8dfb27564271e6b80e133fe655658a7c25c
---
 cmake/External/nccl.cmake | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cmake/External/nccl.cmake b/cmake/External/nccl.cmake
index 56fdbd5..47c6027 100644
--- a/cmake/External/nccl.cmake
+++ b/cmake/External/nccl.cmake
@@ -20,8 +20,8 @@ if (NOT __NCCL_INCLUDED)
       endif()
     endif()
   else()
-    torch_cuda_get_nvcc_gencode_flag(NVCC_GENCODE)
     if (TORCH_CUDA_ARCH_LIST)
+      torch_cuda_get_nvcc_gencode_flag(NVCC_GENCODE)
       string(REPLACE "-gencode;" "-gencode=" NVCC_GENCODE "${NVCC_GENCODE}")
       # this second replacement is needed when there are multiple archs
       string(REPLACE ";-gencode" " -gencode" NVCC_GENCODE "${NVCC_GENCODE}")
-- 
2.7.4