[CMake] Kaleidoscope-Ch2: Don't pass -Wno-unused-private-field unconditionally.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@245516 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/examples/Kaleidoscope/Chapter2/CMakeLists.txt b/examples/Kaleidoscope/Chapter2/CMakeLists.txt
index a02faa221304adfdd4084eb52da09e4cd6203aa0..6224d9ac86406379480b255d917c8896d4786a31 100644 (file)
--- a/examples/Kaleidoscope/Chapter2/CMakeLists.txt
+++ b/examples/Kaleidoscope/Chapter2/CMakeLists.txt
@@ -1,5 +1,9 @@
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-private-field")
-
 add_kaleidoscope_chapter(Kaleidoscope-Ch2
   toy.cpp
   )
+
+if(LLVM_COMPILER_IS_GCC_COMPATIBLE)
+  target_compile_options(Kaleidoscope-Ch2 PRIVATE
+    -Wno-unused-private-field
+    )
+endif()