在做毕设时遇到的问题

Warning : L6301W: Could not find file C:\Program Files .
Warning : L6301W: Could not find file C:\Program Files .
Warning : L6301W: Could not find file C:\Program Files .
Error   : L6218E: Undefined symbol __rt_udiv (referred from 2440lib.o).
Error   : L6218E: Undefined symbol _dflt (referred from 2440lib.o).
Error   : L6218E: Undefined symbol _dmul (referred from 2440lib.o).
Error   : L6218E: Undefined symbol _drdiv (referred from 2440lib.o).
Error   : L6218E: Undefined symbol _dadd (referred from 2440lib.o).
Error   : L6218E: Undefined symbol _dfix (referred from 2440lib.o).
Error   : L6218E: Undefined symbol vsprintf (referred from 2440lib.o).
Error   : L6218E: Undefined symbol strlen (referred from 2440lib.o).
Error   : L6218E: Undefined symbol atoi (referred from 2440lib.o).
Error   : L6218E: Undefined symbol __rt_ctype_table (referred from 2440lib.o).
Error   : L6218E: Undefined symbol __rt_sdiv (referred from Main.o).
Error   : L6218E: Undefined symbol _dfltu (referred from IrDA.o).
Error   : L6218E: Undefined symbol _fflt (referred from profile.o).
Error   : L6218E: Undefined symbol _f2d (referred from profile.o).
Error   : L6218E: Undefined symbol _d2f (referred from profile.o).
Not enough information to list the image map.
Not enough information to list the image sizes and/or totals.
Finished: 2 information, 3 warning and 15 error messages.
在做基于arm9万年历时，编译测试程序时出现以上问题，本人新手，希望大家帮忙解决一下，谢谢了！

:loveliness: