| "autoconf" exit with 256. |
| /usr/bin/m4:configure.ac:17: cannot open `tool/m4/_colorize_result_prepare.m4': No such file or directory |
| /usr/bin/m4:configure.ac:18: cannot open `tool/m4/ac_msg_result.m4': No such file or directory |
| /usr/bin/m4:configure.ac:19: cannot open `tool/m4/colorize_result.m4': No such file or directory |
| /usr/bin/m4:configure.ac:20: cannot open `tool/m4/ruby_append_option.m4': No such file or directory |
| /usr/bin/m4:configure.ac:21: cannot open `tool/m4/ruby_append_options.m4': No such file or directory |
| /usr/bin/m4:configure.ac:22: cannot open `tool/m4/ruby_check_builtin_func.m4': No such file or directory |
| /usr/bin/m4:configure.ac:23: cannot open `tool/m4/ruby_check_builtin_overflow.m4': No such file or directory |
| /usr/bin/m4:configure.ac:24: cannot open `tool/m4/ruby_check_builtin_setjmp.m4': No such file or directory |
| /usr/bin/m4:configure.ac:25: cannot open `tool/m4/ruby_check_header.m4': No such file or directory |
| /usr/bin/m4:configure.ac:26: cannot open `tool/m4/ruby_check_printf_prefix.m4': No such file or directory |
| /usr/bin/m4:configure.ac:27: cannot open `tool/m4/ruby_check_setjmp.m4': No such file or directory |
| /usr/bin/m4:configure.ac:28: cannot open `tool/m4/ruby_check_signedness.m4': No such file or directory |
| /usr/bin/m4:configure.ac:29: cannot open `tool/m4/ruby_check_sizeof.m4': No such file or directory |
| /usr/bin/m4:configure.ac:30: cannot open `tool/m4/ruby_check_sysconf.m4': No such file or directory |
| /usr/bin/m4:configure.ac:31: cannot open `tool/m4/ruby_cppoutfile.m4': No such file or directory |
| /usr/bin/m4:configure.ac:32: cannot open `tool/m4/ruby_decl_attribute.m4': No such file or directory |
| /usr/bin/m4:configure.ac:33: cannot open `tool/m4/ruby_default_arch.m4': No such file or directory |
| /usr/bin/m4:configure.ac:34: cannot open `tool/m4/ruby_define_if.m4': No such file or directory |
| /usr/bin/m4:configure.ac:35: cannot open `tool/m4/ruby_defint.m4': No such file or directory |
| /usr/bin/m4:configure.ac:36: cannot open `tool/m4/ruby_dtrace_available.m4': No such file or directory |
| /usr/bin/m4:configure.ac:37: cannot open `tool/m4/ruby_dtrace_postprocess.m4': No such file or directory |
| /usr/bin/m4:configure.ac:38: cannot open `tool/m4/ruby_func_attribute.m4': No such file or directory |
| /usr/bin/m4:configure.ac:39: cannot open `tool/m4/ruby_mingw32.m4': No such file or directory |
| /usr/bin/m4:configure.ac:40: cannot open `tool/m4/ruby_prepend_option.m4': No such file or directory |
| /usr/bin/m4:configure.ac:41: cannot open `tool/m4/ruby_prog_gnu_ld.m4': No such file or directory |
| /usr/bin/m4:configure.ac:42: cannot open `tool/m4/ruby_prog_makedirs.m4': No such file or directory |
| /usr/bin/m4:configure.ac:43: cannot open `tool/m4/ruby_replace_funcs.m4': No such file or directory |
| /usr/bin/m4:configure.ac:44: cannot open `tool/m4/ruby_replace_type.m4': No such file or directory |
| /usr/bin/m4:configure.ac:45: cannot open `tool/m4/ruby_require_funcs.m4': No such file or directory |
| /usr/bin/m4:configure.ac:46: cannot open `tool/m4/ruby_rm_recursive.m4': No such file or directory |
| /usr/bin/m4:configure.ac:47: cannot open `tool/m4/ruby_setjmp_type.m4': No such file or directory |
| /usr/bin/m4:configure.ac:48: cannot open `tool/m4/ruby_modular_gc.m4': No such file or directory |
| /usr/bin/m4:configure.ac:49: cannot open `tool/m4/ruby_stack_grow_direction.m4': No such file or directory |
| /usr/bin/m4:configure.ac:50: cannot open `tool/m4/ruby_thread.m4': No such file or directory |
| /usr/bin/m4:configure.ac:51: cannot open `tool/m4/ruby_try_cflags.m4': No such file or directory |
| /usr/bin/m4:configure.ac:52: cannot open `tool/m4/ruby_try_cxxflags.m4': No such file or directory |
| /usr/bin/m4:configure.ac:53: cannot open `tool/m4/ruby_try_ldflags.m4': No such file or directory |
| /usr/bin/m4:configure.ac:54: cannot open `tool/m4/ruby_universal_arch.m4': No such file or directory |
| /usr/bin/m4:configure.ac:55: cannot open `tool/m4/ruby_wasm_tools.m4': No such file or directory |
| /usr/bin/m4:configure.ac:56: cannot open `tool/m4/ruby_werror_flag.m4': No such file or directory |
| autom4te: error: /usr/bin/m4 failed with exit status: 1 |