Index: compiler-rt/trunk/lib/xray/CMakeLists.txt
===================================================================
--- compiler-rt/trunk/lib/xray/CMakeLists.txt
+++ compiler-rt/trunk/lib/xray/CMakeLists.txt
@@ -60,6 +60,12 @@
 
 set(XRAY_CFLAGS ${SANITIZER_COMMON_CFLAGS})
 set(XRAY_COMMON_DEFINITIONS XRAY_HAS_EXCEPTIONS=1)
+
+if (NOT MSVC AND NOT DEFINED TARGET_FLAGS)
+  set(TARGET_FLAGS ${CMAKE_CXX_FLAGS})
+  separate_arguments(TARGET_FLAGS)
+endif()
+
 append_list_if(
   COMPILER_RT_HAS_XRAY_COMPILER_FLAG XRAY_SUPPORTED=1 XRAY_COMMON_DEFINITIONS)
 append_list_if(
@@ -67,7 +73,7 @@
 
 add_compiler_rt_object_libraries(RTXray
   ARCHS ${XRAY_SUPPORTED_ARCH}
-  SOURCES ${XRAY_SOURCES} CFLAGS ${XRAY_CFLAGS}
+  SOURCES ${XRAY_SOURCES} CFLAGS ${XRAY_CFLAGS} ${TARGET_FLAGS}
   DEFS ${XRAY_COMMON_DEFINITIONS})
 
 add_compiler_rt_component(xray)
@@ -82,7 +88,7 @@
      STATIC
      ARCHS ${arch}
      SOURCES ${${arch}_SOURCES}
-     CFLAGS ${XRAY_CFLAGS}
+     CFLAGS ${XRAY_CFLAGS} ${TARGET_FLAGS}
      DEFS ${XRAY_COMMON_DEFINITIONS}
      OBJECT_LIBS ${XRAY_COMMON_RUNTIME_OBJECT_LIBS}
      PARENT_TARGET xray)