2.4.20 compile problem

[Rahul T <gr8rahul@xxxxxxxxx>]

I am compiling kernel 2.4.20 on  a m/c already having 2.6.10

after make dep and make bzImage, i get the fol. error


root@ubuntu:/usr/src/linux-2.4.25 # make bzImage
gcc -D__KERNEL__ -I/usr/src/linux-2.4.25/include -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing
-fno-common -fomit-frame-pointer -pipe -mpreferred-stack-boundary=2
-march=i686   -DKBUILD_BASENAME=main -c -o init/main.o init/main.c
In file included from /usr/src/linux-2.4.25/include/linux/kernel.h:15,
                 from /usr/src/linux-2.4.25/include/linux/wait.h:13,
                 from /usr/src/linux-2.4.25/include/linux/fs.h:12,
                 from /usr/src/linux-2.4.25/include/linux/capability.h:17,
                 from /usr/src/linux-2.4.25/include/linux/binfmts.h:5,
                 from /usr/src/linux-2.4.25/include/linux/sched.h:9,
                 from /usr/src/linux-2.4.25/include/linux/mm.h:4,
                 from /usr/src/linux-2.4.25/include/linux/slab.h:14,
                 from /usr/src/linux-2.4.25/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux-2.4.25/include/asm/byteorder.h:14: warning: type
qualifiers ignored on function return type
/usr/src/linux-2.4.25/include/asm/byteorder.h:30: warning: type
qualifiers ignored on function return type
In file included from
/usr/src/linux-2.4.25/include/linux/byteorder/little_endian.h:11,
                 from /usr/src/linux-2.4.25/include/asm/byteorder.h:65,
                 from /usr/src/linux-2.4.25/include/linux/kernel.h:15,
                 from /usr/src/linux-2.4.25/include/linux/wait.h:13,
                 from /usr/src/linux-2.4.25/include/linux/fs.h:12,
                 from /usr/src/linux-2.4.25/include/linux/capability.h:17,
                 from /usr/src/linux-2.4.25/include/linux/binfmts.h:5,
                 from /usr/src/linux-2.4.25/include/linux/sched.h:9,
                 from /usr/src/linux-2.4.25/include/linux/mm.h:4,
                 from /usr/src/linux-2.4.25/include/linux/slab.h:14,
                 from /usr/src/linux-2.4.25/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux-2.4.25/include/linux/byteorder/swab.h:160: warning:
type qualifiers ignored on function return type
/usr/src/linux-2.4.25/include/linux/byteorder/swab.h:173: warning:
type qualifiers ignored on function return type
/usr/src/linux-2.4.25/include/linux/byteorder/swab.h:186: warning:
type qualifiers ignored on function return type
/usr/src/linux-2.4.25/include/linux/byteorder/swab.h:200: warning:
type qualifiers ignored on function return type
In file included from /usr/src/linux-2.4.25/include/linux/prefetch.h:13,
                 from /usr/src/linux-2.4.25/include/linux/list.h:6,
                 from /usr/src/linux-2.4.25/include/linux/wait.h:14,
                 from /usr/src/linux-2.4.25/include/linux/fs.h:12,
                 from /usr/src/linux-2.4.25/include/linux/capability.h:17,
                 from /usr/src/linux-2.4.25/include/linux/binfmts.h:5,
                 from /usr/src/linux-2.4.25/include/linux/sched.h:9,
                 from /usr/src/linux-2.4.25/include/linux/mm.h:4,
                 from /usr/src/linux-2.4.25/include/linux/slab.h:14,
                 from /usr/src/linux-2.4.25/include/linux/proc_fs.h:5,
                 from init/main.c:15:
/usr/src/linux-2.4.25/include/asm/processor.h:75: error: array type
has incomplete element type
In file included from /usr/src/linux-2.4.25/include/linux/unistd.h:9,
                 from init/main.c:17:
/usr/src/linux-2.4.25/include/asm/unistd.h:375: warning: conflicting
types for built-in function '_exit'
make: *** [init/main.o] Error 1


PLz help

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