[Sanitizer] Compile sanitizer runtimes with -Wno-non-virtual-dtor. Virtual dtors may be a problem for us, as sanitizer runtime should not generally assume libstdc++ presence.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@177860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 240572e..5ce55bd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -147,6 +147,12 @@
if(SUPPORTS_NO_C99_EXTENSIONS_FLAG)
list(APPEND SANITIZER_COMMON_CFLAGS -Wno-c99-extensions)
endif()
+# Sanitizer may not have libstdc++, so we can have problems with virtual
+# destructors.
+check_cxx_compiler_flag(-Wno-non-virtual-dtor SUPPORTS_NO_NON_VIRTUAL_DTOR_FLAG)
+if (SUPPORTS_NO_NON_VIRTUAL_DTOR_FLAG)
+ list(APPEND SANITIZER_COMMON_CFLAGS -Wno-non-virtual-dtor)
+endif()
# Setup min Mac OS X version.
if(APPLE)