$ /usr/bin/ocamlc -verbose -custom -runtime-variant _shared -o hello.exe hello.ml + flexlink -chain cygwin64 -merge-manifest -stack 16777216 -exe -o 'hello.exe' '-L/usr/lib/ocaml' '-link' '-fdebug-prefix-map=/tmp/camlprim56f84c.c=camlprim.c' '/tmp/camlprim56f84c.c' '-lcamlrun_shared' -I'/usr/lib/ocaml' -lm -lpthread ** Cannot resolve symbols for /tmp/dyndll87882d.o: caml_abs_float caml_acos_float caml_acosh_float caml_add_float caml_alloc_dummy caml_alloc_dummy_float caml_alloc_dummy_function caml_alloc_dummy_infix caml_array_append caml_array_blit caml_array_concat caml_array_fill caml_array_get caml_array_get_addr caml_array_set caml_array_set_addr caml_array_sub caml_array_unsafe_get caml_array_unsafe_set caml_asin_float caml_asinh_float caml_atan2_float caml_atan_float caml_atanh_float caml_ba_blit caml_ba_change_layout caml_ba_create caml_ba_dim caml_ba_dim_1 caml_ba_dim_2 caml_ba_dim_3 caml_ba_fill caml_ba_get_1 caml_ba_get_2 caml_ba_get_3 caml_ba_get_generic caml_ba_kind caml_ba_layout caml_ba_num_dims caml_ba_reshape caml_ba_set_1 caml_ba_set_2 caml_ba_set_3 caml_ba_set_generic caml_ba_slice caml_ba_sub caml_ba_uint8_get16 caml_ba_uint8_get32 caml_ba_uint8_get64 caml_ba_uint8_set16 caml_ba_uint8_set32 caml_ba_uint8_set64 caml_backtrace_status caml_blit_bytes caml_blit_string caml_bswap16 caml_bytes_compare caml_bytes_equal caml_bytes_get caml_bytes_get16 caml_bytes_get32 caml_bytes_get64 caml_bytes_greaterequal caml_bytes_greaterthan caml_bytes_lessequal caml_bytes_lessthan caml_bytes_notequal caml_bytes_of_string caml_bytes_set caml_bytes_set16 caml_bytes_set32 caml_bytes_set64 caml_cbrt_float caml_ceil_float caml_channel_descriptor caml_classify_float caml_compare caml_convert_raw_backtrace caml_convert_raw_backtrace_slot caml_copysign_float caml_cos_float caml_cosh_float caml_create_bytes caml_create_string caml_div_float caml_dynlink_add_primitive caml_dynlink_close_lib caml_dynlink_get_current_libs caml_dynlink_lookup_symbol caml_dynlink_open_lib caml_ensure_stack_capacity caml_ephe_blit_data caml_ephe_blit_key caml_ephe_check_data caml_ephe_check_key caml_ephe_create caml_ephe_get_data caml_ephe_get_data_copy caml_ephe_get_key caml_ephe_get_key_copy caml_ephe_set_data caml_ephe_set_key caml_ephe_unset_data caml_ephe_unset_key caml_eq_float caml_equal caml_erf_float caml_erfc_float caml_eventlog_pause caml_eventlog_resume caml_exp2_float caml_exp_float caml_expm1_float caml_fill_bytes caml_fill_string caml_final_register caml_final_register_called_without_value caml_final_release caml_float_compare caml_float_of_int caml_float_of_string caml_floatarray_blit caml_floatarray_create caml_floatarray_get caml_floatarray_set caml_floatarray_unsafe_get caml_floatarray_unsafe_set caml_floor_float caml_fma_float caml_fmod_float caml_format_float caml_format_int caml_fresh_oo_id caml_frexp_float caml_gc_compaction caml_gc_counters caml_gc_full_major caml_gc_get caml_gc_huge_fallback_count caml_gc_major caml_gc_major_slice caml_gc_minor caml_gc_minor_words caml_gc_quick_stat caml_gc_set caml_gc_stat caml_ge_float caml_get_current_callstack caml_get_current_environment caml_get_exception_backtrace caml_get_exception_raw_backtrace caml_get_global_data caml_get_major_bucket caml_get_major_credit caml_get_minor_free caml_get_public_method caml_get_section_table caml_greaterequal caml_greaterthan caml_gt_float caml_hash caml_hexstring_of_float caml_hypot_float caml_input_value caml_input_value_from_bytes caml_install_signal_handler caml_int32_add caml_int32_and caml_int32_bits_of_float caml_int32_bswap caml_int32_compare caml_int32_div caml_int32_float_of_bits caml_int32_format caml_int32_mod caml_int32_mul caml_int32_neg caml_int32_of_float caml_int32_of_int caml_int32_of_string caml_int32_or caml_int32_shift_left caml_int32_shift_right caml_int32_shift_right_unsigned caml_int32_sub caml_int32_to_float caml_int32_to_int caml_int32_xor caml_int64_add caml_int64_add_native caml_int64_and caml_int64_and_native caml_int64_bits_of_float caml_int64_bswap caml_int64_compare caml_int64_div caml_int64_div_native caml_int64_float_of_bits caml_int64_format caml_int64_mod caml_int64_mod_native caml_int64_mul caml_int64_mul_native caml_int64_neg caml_int64_neg_native caml_int64_of_float caml_int64_of_int caml_int64_of_int32 caml_int64_of_nativeint caml_int64_of_string caml_int64_or caml_int64_or_native caml_int64_shift_left caml_int64_shift_right caml_int64_shift_right_unsigned caml_int64_sub caml_int64_sub_native caml_int64_to_float caml_int64_to_int caml_int64_to_int32 caml_int64_to_nativeint caml_int64_xor caml_int64_xor_native caml_int_as_pointer caml_int_compare caml_int_of_float caml_int_of_string caml_invoke_traced_function caml_lazy_make_forward caml_ldexp_float caml_le_float caml_lessequal caml_lessthan caml_lex_engine caml_log10_float caml_log1p_float caml_log2_float caml_log_float caml_lt_float caml_make_array caml_make_float_vect caml_make_vect caml_marshal_data_size caml_md5_chan caml_md5_string caml_memprof_start caml_memprof_stop caml_ml_bytes_length caml_ml_channel_size caml_ml_channel_size_64 caml_ml_close_channel caml_ml_debug_info_status caml_ml_enable_runtime_warnings caml_ml_flush caml_ml_input caml_ml_input_char caml_ml_input_int caml_ml_input_scan_line caml_ml_is_buffered caml_ml_open_descriptor_in caml_ml_open_descriptor_out caml_ml_out_channels_list caml_ml_output caml_ml_output_bytes caml_ml_output_char caml_ml_output_int caml_ml_pos_in caml_ml_pos_in_64 caml_ml_pos_out caml_ml_pos_out_64 caml_ml_runtime_warnings_enabled caml_ml_seek_in caml_ml_seek_in_64 caml_ml_seek_out caml_ml_seek_out_64 caml_ml_set_binary_mode caml_ml_set_buffered caml_ml_set_channel_name caml_ml_string_length caml_modf_float caml_mul_float caml_nativeint_add caml_nativeint_and caml_nativeint_bswap caml_nativeint_compare caml_nativeint_div caml_nativeint_format caml_nativeint_mod caml_nativeint_mul caml_nativeint_neg caml_nativeint_of_float caml_nativeint_of_int caml_nativeint_of_int32 caml_nativeint_of_string caml_nativeint_or caml_nativeint_shift_left caml_nativeint_shift_right caml_nativeint_shift_right_unsigned caml_nativeint_sub caml_nativeint_to_float caml_nativeint_to_int caml_nativeint_to_int32 caml_nativeint_xor caml_neg_float caml_neq_float caml_new_lex_engine caml_nextafter_float caml_notequal caml_obj_add_offset caml_obj_block caml_obj_dup caml_obj_make_forward caml_obj_raw_field caml_obj_reachable_words caml_obj_set_raw_field caml_obj_set_tag caml_obj_tag caml_obj_truncate caml_obj_with_tag caml_output_value caml_output_value_to_buffer caml_output_value_to_bytes caml_output_value_to_string caml_parse_engine caml_power_float caml_raw_backtrace_length caml_raw_backtrace_next_slot caml_raw_backtrace_slot caml_realloc_global caml_record_backtrace caml_register_named_value caml_reify_bytecode caml_reset_afl_instrumentation caml_restore_raw_backtrace caml_round_float caml_runtime_parameters caml_runtime_variant caml_set_oo_id caml_set_parser_trace caml_signbit caml_signbit_float caml_sin_float caml_sinh_float caml_sqrt_float caml_static_release_bytecode caml_string_compare caml_string_equal caml_string_get caml_string_get16 caml_string_get32 caml_string_get64 caml_string_greaterequal caml_string_greaterthan caml_string_lessequal caml_string_lessthan caml_string_notequal caml_string_of_bytes caml_string_set caml_sub_float caml_sys_argv caml_sys_chdir caml_sys_close caml_sys_const_backend_type caml_sys_const_big_endian caml_sys_const_int_size caml_sys_const_max_wosize caml_sys_const_naked_pointers_checked caml_sys_const_ostype_cygwin caml_sys_const_ostype_unix caml_sys_const_ostype_win32 caml_sys_const_word_size caml_sys_executable_name caml_sys_exit caml_sys_file_exists caml_sys_get_argv caml_sys_get_config caml_sys_getcwd caml_sys_getenv caml_sys_is_directory caml_sys_isatty caml_sys_mkdir caml_sys_modify_argv caml_sys_open caml_sys_random_seed caml_sys_read_directory caml_sys_remove caml_sys_rename caml_sys_rmdir caml_sys_system_command caml_sys_time caml_sys_time_include_children caml_sys_unsafe_getenv caml_tan_float caml_tanh_float caml_terminfo_rows caml_trunc_float caml_update_dummy caml_weak_blit caml_weak_check caml_weak_create caml_weak_get caml_weak_get_copy caml_weak_set File "hello.ml", line 1: Error: Error while building custom runtime system