Hide non-necessary symbols from shared object (#1136)

Signed-off-by: Kirthi Shankar Sivamani <ksivamani@nvidia.com>

transformer_engine/common/CMakeLists.txt

@@ -15,6 +15,10 @@ if (CMAKE_BUILD_TYPE STREQUAL "Debug")
   set(CMAKE_CUDA_FLAGS_DEBUG "${CMAKE_CUDA_FLAGS_DEBUG} -G")
 endif()
 
+# Hide non-necessary symbols in shared object.
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/libtransformer_engine.version")
+set(CMAKE_CUDA_FLAGS "${CMAKE_CUDA_FLAGS} -Wl,--version-script=${CMAKE_CURRENT_SOURCE_DIR}/libtransformer_engine.version")
+
 # Transformer Engine library
 project(transformer_engine LANGUAGES CUDA CXX)
 

transformer_engine/common/libtransformer_engine.version

+{
+	global: *nvte*; *transformer_engine*;
+	local: *;
+};