[Unreal-support] Problems Compiling....

[SoMBrA <Toy...@te...>]

/home/sombra/Unreal3.1.1/src/res.c:113: undefined reference to =
`res_init'
s_bsd.o: In function `add_local_domain':
/home/sombra/Unreal3.1.1/src/s_bsd.c:158: undefined reference to =
`res_init'
collect2: ld returned 1 exit status
make[1]: *** [ircd] Error 1
make[1]: Leaving directory `/home/sombra/Unreal3.1.1/src'
make: *** [build] Error 2

That fails, don't know why, suggestions? HELP PLEASE!