From 244e25d980f3cd71302a591156e5b658742bf1cd Mon Sep 17 00:00:00 2001
From: Wenkai Du <43822138+wenkaidu@users.noreply.github.com>
Date: Thu, 18 Mar 2021 18:08:08 -0700
Subject: [PATCH] Hide non-public symbols from library (#332)

* Hide non-public symbols from library

* Move flag outside of parallel-jobs check
---
 CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7b24d0abcf..a3511c3409 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -184,6 +184,7 @@ target_link_libraries(rccl PRIVATE --cuda-gpu-arch=${target})
 endforeach()
 
 if("${HIP_COMPILER}" MATCHES "clang")
+  target_compile_options(rccl PRIVATE -fvisibility=hidden)
   foreach(target ${AMDGPU_TARGETS})
     target_compile_options(rccl PRIVATE --cuda-gpu-arch=${target} PRIVATE -fgpu-rdc)
   endforeach()