Update CMakeLists.txt

Author: mcbarton

unittests/CppInterOp/CMakeLists.txt

@@ -9,12 +9,9 @@ set(clang_libs
 # function taken from https://github.com/abduld/cena/blob/master/cmake/modules/FindClang.cmake
     foreach(l ${clang_libs})
         find_library(${l} NAMES ${l} HINTS ${LLVM_LIBRARY_DIRS} )
-        mark_as_advanced(${l})
-        list(APPEND clang_libs ${l})
+        mark_as_advanced(${l)
     endforeach(l)
 
-    set(${out_libs} ${clang_libs} PARENT_SCOPE)
-
 add_cppinterop_unittest(CppInterOpTests
   CUDATest.cpp
   EnumReflectionTest.cpp