From 7beb2f7fae9589750c8d8dd01d039f90c71fc81f Mon Sep 17 00:00:00 2001
From: Jiaming Yuan <jm.yuan@outlook.com>
Date: Fri, 4 Jun 2021 02:35:46 +0800
Subject: [PATCH] Hide symbols in CI build + hide symbols for C and CUDA
 (#6798)

* Hide symbols in CI build.
* Hide symbols for other languages.
---
 CMakeLists.txt                    | 2 ++
 tests/ci_build/build_via_cmake.sh | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index c5694f7ce..52fd37cd7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,7 +197,9 @@ endif (USE_CUDA)
 #-- Hide all C++ symbols
 if (HIDE_CXX_SYMBOLS)
   foreach(target objxgboost xgboost dmlc)
+    set_target_properties(${target} PROPERTIES C_VISIBILITY_PRESET hidden)
     set_target_properties(${target} PROPERTIES CXX_VISIBILITY_PRESET hidden)
+    set_target_properties(${target} PROPERTIES CUDA_VISIBILITY_PRESET hidden)
   endforeach()
 endif (HIDE_CXX_SYMBOLS)
 
diff --git a/tests/ci_build/build_via_cmake.sh b/tests/ci_build/build_via_cmake.sh
index 44c9b5d4a..31132a1f7 100755
--- a/tests/ci_build/build_via_cmake.sh
+++ b/tests/ci_build/build_via_cmake.sh
@@ -17,7 +17,7 @@ fi
 rm -rf build
 mkdir build
 cd build
-cmake .. ${cmake_args} -DGOOGLE_TEST=ON -DUSE_DMLC_GTEST=ON -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_ALL_WARNINGS=ON -GNinja ${cmake_prefix_flag}
+cmake .. ${cmake_args} -DGOOGLE_TEST=ON -DUSE_DMLC_GTEST=ON -DCMAKE_VERBOSE_MAKEFILE=ON -DENABLE_ALL_WARNINGS=ON -GNinja ${cmake_prefix_flag} -DHIDE_CXX_SYMBOLS=ON
 ninja clean
 time ninja -v
 cd ..