ver.cpp',     ],     LIBDEPS=[         '$BUILD_DIR/mongo/base',         '$BUILD_DIR/mongo/client/fetcher',         '$BUILD_DIR/mongo/db/namespace_string',         '$BUILD_DIR/mongo/executor/task_executor_interface',         '$BUILD_DIR/mongo/rpc/metadata',         '$BUILD_DIR/mongo/util/net/network',         'oplog_entry',         'optime',         'read_concern_args',     ], )  env.Library(     target='sync_source_