problem : cross compiling the kernel

Hello friends greeting all.
 
 i am trying to cross compile the linux kernel 2.4.18  for powerpc604.( i am using gcc 3.4.1 glibc 2.3.3 binutils 2.15)
 so i installed the cross tool at /opt/crossool/.....
 and run following commands
 [root@nirav linux-2.4.18]# make ARCH=ppc menuconfig    
 [root@nirav linux-2.4.18]# make ARCH=ppc CROSS_COMPILE=powepc-604-linux-gnu- dep zImage
 and i found following problems.      
 
 /home/nirav/RTAI/linux-2.4.18/include/asm/unistd.h:415: warning: conflicting types for built-in function '_exit'
 /home/nirav/RTAI/linux-2.4.18/include/asm/unistd.h: In function `do_linuxrc':
 /home/nirav/RTAI/linux-2.4.18/include/asm/unistd.h:413: error: asm-specifier for variable `__sc_4' conflicts with asm clobber list
 /home/nirav/RTAI/linux-2.4.18/include/asm/unistd.h:413: error: asm-specifier for variable `__sc_5' conflicts with asm clobber list
 /home/nirav/RTAI/linux-2.4.18/include/asm/unistd.h:412: error: asm-specifier for variable `__sc_4' conflicts with asm clobber list
 /home/nirav/RTAI/linux-2.4.18/include/asm/unistd.h:412: error: asm-specifier for variable `__sc_5' conflicts with asm clobber list
 make: *** [init/main.o] Error 1
 
 
 Thanks and regards
 Nirav
 
 
 
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