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Error linking C program

I have built a cross compiler for Powerpc on my Centos 5.5 running on
intel pentium 4, with all the latest builds like gmp-5.1.1,
mpfr-3.1.2,mpc-1.0.1,binutils-2.23.1, bootstrap gcc-4.8.0,
newlib-2.0.0, binutils and gcc again with newlib and then gdb, in the
same order as shown above. I have seen this procedure somewhere in
internet and used it. I have tried running a simple exit program as


When I try executing it, I get the error undefined _exit

 powerpc-elf-gcc -o fail fail.c -fno-builtin-exit -e 0x1000
In function `exit':
/usr/src/newlib-1.20.0/newlib/libc/stdlib/exit.c:65: undefined
reference to `_exit'
collect2: error: ld returned 1 exit status

I have tried adding the stdlib.h and unistd.h header responsible for
_exit (found by reading exit.c file)in my program.But then it didnot
work. Could you please help me dealing with the error. I am short of
time now. Please help me.

Thank You,

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