[1/175] cxx opt '' cpp/pylib.cc _build/obj/cxx-opt/cpp/pylib.o
[2/175] cxx opt '' cpp/frontend_pyreadline.cc _build/obj/cxx-opt/cpp/frontend_pyreadline.o
FAILED: _build/obj/cxx-opt/cpp/frontend_pyreadline.o 
build/ninja-rules-cpp.sh compile_one cxx opt '' cpp/frontend_pyreadline.cc _build/obj/cxx-opt/cpp/frontend_pyreadline.o _build/obj/cxx-opt/cpp/frontend_pyreadline.o.d
cpp/frontend_pyreadline.cc:353:2: error: #endif without #if
  353 | #endif
      |  ^~~~~
cpp/frontend_pyreadline.cc:54:13: warning: ‘void py_readline::display_matches_hook(char**, int, int)’ defined but not used [-Wunused-function]
   54 | static void display_matches_hook(char** matches, int num_matches,
      |             ^~~~~~~~~~~~~~~~~~~~
[3/175] cxx opt '' _gen/frontend/arg_types.cc _build/obj/cxx-opt/_gen/frontend/arg_types.o
[4/175] cxx opt '' _gen/data_lang/nil8.asdl.cc _build/obj/cxx-opt/_gen/data_lang/nil8.asdl.o
[5/175] cxx opt '' cpp/stdlib.cc _build/obj/cxx-opt/cpp/stdlib.o
[6/175] cxx opt '' _gen/frontend/consts.cc _build/obj/cxx-opt/_gen/frontend/consts.o
[7/175] cxx opt '' _gen/frontend/help_meta.cc _build/obj/cxx-opt/_gen/frontend/help_meta.o
ninja: build stopped: subcommand failed.