Enable -Wnon-virtual-dtor build warning

llvm-svn: 177385

diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
index 54c6606..2ba0106 100644 (file)
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/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 )