Hide C++ symbols in libxgboost.so when building Python wheel (#5590)

* Hide C++ symbols in libxgboost.so when building Python wheel

* Update Jenkinsfile

* Add test

* Upgrade rabit

* Add setup.py option.

Co-authored-by: fis <jm.yuan@outlook.com>

src/CMakeLists.txt

@@ -39,6 +39,12 @@ if (USE_CUDA)
     )
   endif (MSVC)
 
+  if (HIDE_CXX_SYMBOLS)
+    target_compile_options(objxgboost PRIVATE
+      $<$<COMPILE_LANGUAGE:CUDA>:-Xcompiler=-fvisibility=hidden>
+    )
+  endif (HIDE_CXX_SYMBOLS)
+
   set_target_properties(objxgboost PROPERTIES
     CUDA_SEPARABLE_COMPILATION OFF)
 else (USE_CUDA)