use IMPORTED_LIBRARY_LOCATION

Author: charles-zablit

lldb/CMakeLists.txt

@@ -87,8 +87,9 @@ if (LLDB_ENABLE_PYTHON)
       set(LLDB_PYTHON_EXT_SUFFIX "_d${LLDB_PYTHON_EXT_SUFFIX}")
     endif()
   endif()
-  if(DEFINED Python3_RUNTIME_LIBRARY AND NOT Python3_RUNTIME_LIBRARY STREQUAL Python3_RUNTIME_LIBRARY-NOTFOUND)
-    get_filename_component(LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME Python3_RUNTIME_LIBRARY NAME)
+  get_target_property(_Python3_LIB_PATH Python3::Python IMPORTED_LIBRARY_LOCATION)
+  if(_Python3_LIB_PATH)
+    get_filename_component(LLDB_PYTHON_RUNTIME_LIBRARY_FILENAME "${_Python3_LIB_PATH}" NAME)
   endif()
 endif ()