Undefined reference to xxx with arm-elf-gcc

I am having some problems compiling for an arm with arm-elf-gcc. 
The problem apears when linking of the type undefined reference to ...
Here is a part of the error messeges. I already tried -lgcc and -lc but
that dous not work. Christian

arm-elf-gcc  -g -c -o crt0.o crt0.S
arm-elf-gcc  -g -c -o MyRSA.o MyRSA.c -I /usr/include
arm-elf-gcc  -g -c -o mpi.o mpi.c -I /usr/include
arm-elf-ld crt0.o MyRSA.o mpi.o -Tarmebs_ldscript -o rsa.exe -lc -L
/usr/lib
mpi.o: In function `mp_init_size':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:282: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:282: relocation truncated to fit:
R_ARM_PC24 __eprintf

/d/Cod-it/C_ARM/RSA_v5/mpi.c:284: undefined reference to `calloc'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:284: relocation truncated to fit:
R_ARM_PC24 calloc

mpi.o: In function `mp_init_copy':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:309: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:309: relocation truncated to fit:
R_ARM_PC24 __eprintf

/d/Cod-it/C_ARM/RSA_v5/mpi.c:314: undefined reference to `calloc'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:314: relocation truncated to fit:
R_ARM_PC24 calloc

mpi.o: In function `mp_copy':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:340: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:340: relocation truncated to fit:
R_ARM_PC24 __eprintf

/d/Cod-it/C_ARM/RSA_v5/mpi.c:360: undefined reference to `calloc'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:360: relocation truncated to fit:
R_ARM_PC24 calloc

/d/Cod-it/C_ARM/RSA_v5/mpi.c:369: undefined reference to `free'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:369: relocation truncated to fit:
R_ARM_PC24 free

mpi.o: In function `mp_exch':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:400: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:400: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `mp_clear':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:431: undefined reference to `free'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:431: relocation truncated to fit:
R_ARM_PC24 free

mpi.o: In function `mp_sub':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:968: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:968: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `mp_div':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1149: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1149: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `mp_mod':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1358: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1358: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `mp_exptmod':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1639: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1639: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `mp_cmp':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1811: undefined reference to `__eprintf'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:1811: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o:/d/Cod-it/C_ARM/RSA_v5/mpi.c:2469: more undefined references to
`__eprintf
' follow
mpi.o: In function `mp_read_radix':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:2469: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `mp_toradix':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:2552: relocation truncated to fit:
R_ARM_PC24 __eprintf

/d/Cod-it/C_ARM/RSA_v5/mpi.c:2553: relocation truncated to fit:
R_ARM_PC24 __eprintf

mpi.o: In function `s_mp_grow':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:2664: undefined reference to `__udivsi3'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:2664: relocation truncated to fit:
R_ARM_PC24 __udivsi3

/d/Cod-it/C_ARM/RSA_v5/mpi.c:2666: undefined reference to `calloc'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:2666: relocation truncated to fit:
R_ARM_PC24 calloc

/d/Cod-it/C_ARM/RSA_v5/mpi.c:2674: undefined reference to `free'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:2674: relocation truncated to fit:
R_ARM_PC24 free

mpi.o: In function `s_mp_div_d':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3242: undefined reference to `__udivsi3'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3242: relocation truncated to fit:
R_ARM_PC24 __udivsi3

/d/Cod-it/C_ARM/RSA_v5/mpi.c:3243: undefined reference to `__umodsi3'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3243: relocation truncated to fit:
R_ARM_PC24 __umodsi3

mpi.o: In function `s_mp_div':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3642: undefined reference to `__udivsi3'
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3642: relocation truncated to fit:
R_ARM_PC24 __udivsi3

mpi.o: In function `s_mp_tovalue':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3941: undefined reference to `_ctype_'
mpi.o: In function `s_mp_todigit':
/d/Cod-it/C_ARM/RSA_v5/mpi.c:3970: undefined reference to `_ctype_'
make: *** [rsa.exe] Error 1