Enable -Wnon-virtual-dtor build warning

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177385 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index 54c6606447047708e69d56a4d58c8f9594514457..2ba0106df662d7c755c8526f0dfdd863b64491bd 100644 (file)
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -209,6 +209,8 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE )
     append_if(CMAKE_C_FLAGS "-Wcovered-switch-default" C_SUPPORTS_COVERED_SWITCH_DEFAULT_FLAG)
     append_if(CMAKE_CXX_FLAGS "-Wno-uninitialized" USE_NO_UNINITIALIZED)
     append_if(CMAKE_CXX_FLAGS "-Wno-maybe-uninitialized" USE_NO_MAYBE_UNINITIALIZED)
+    check_cxx_compiler_flag("-Werror -Wnon-virtual-dtor" CXX_SUPPORTS_NON_VIRTUAL_DTOR_FLAG)
+    append_if(CMAKE_CXX_FLAGS "-Wnon-virtual-dtor" CXX_SUPPORTS_NON_VIRTUAL_DTOR_FLAG)
   endif (LLVM_ENABLE_WARNINGS)
   if (LLVM_ENABLE_WERROR)
     add_llvm_definitions( -Werror )