Merge branch 'master' into kimkulling/add_zlib_to_dockerfile_issue-5403

CMakeLists.txt

@@ -311,9 +311,9 @@ ELSEIF( MINGW )
     SET(CMAKE_C_FLAGS "-fPIC ${CMAKE_C_FLAGS}")
   ENDIF()
     IF (CMAKE_BUILD_TYPE STREQUAL "Debug")
-      SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall -Wno-long-long -Wa,-mbig-obj -g ${CMAKE_CXX_FLAGS}")
+      SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wno-dangling-reference -Wall -Wno-long-long -Wa,-mbig-obj -g ${CMAKE_CXX_FLAGS}")
     ELSE()
-      SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wall -Wno-long-long -Wa,-mbig-obj -O3 ${CMAKE_CXX_FLAGS}")
+      SET(CMAKE_CXX_FLAGS "-fvisibility=hidden -fno-strict-aliasing -Wno-dangling-reference -Wall -Wno-long-long -Wa,-mbig-obj -O3 ${CMAKE_CXX_FLAGS}")
     ENDIF()
     SET(CMAKE_C_FLAGS "-fno-strict-aliasing ${CMAKE_C_FLAGS}")
 ENDIF()