Build TestSharedLib inside InterOp unittests

Author: aaronj0

Diff for: interpreter/CppInterOp/unittests/CppInterOp/TestSharedLib/CMakeLists.txt

@@ -5,7 +5,7 @@ add_llvm_library(TestSharedLib
   TestSharedLib.cpp)
 # Put TestSharedLib next to the unit test executable.
 set_output_directory(TestSharedLib
-  BINARY_DIR ${CMAKE_BINARY_DIR}/unittests/bin/$<CONFIG>/
-  LIBRARY_DIR ${CMAKE_BINARY_DIR}/unittests/bin/$<CONFIG>/
+  BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/unittests/bin/$<CONFIG>/
+  LIBRARY_DIR ${CMAKE_CURRENT_BINARY_DIR}/unittests/bin/$<CONFIG>/
   )
 set_target_properties(TestSharedLib PROPERTIES FOLDER "Tests")