compiling ilaunch

[simmoi]

if anyone able to help me this would be greatly appreciated


--------------------Configuration: Ilaunch - Win32 Debug--------------------
Linking...
gui.obj : error LNK2001: unresolved external symbol "void __cdecl trace_printf(char const *,...)" (?trace_printf@@YAXPBDZZ)
Debug/ilaunch.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

ilaunch.exe - 2 error(s), 0 warning(s)