Kernel 2.4.16 failed to compile

Hi,

I am trying to compile kernel version 2.4.16 for powerpc with networking off
i.e.
CONFIG_NET was not set.

-----------------------------------
make CFLAGS="-D__KERNEL__ -I/usr/src/linux-2.4.16/include -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing
 -fno-common -D__powerpc__ -fsigned-char -msoft-float -pipe -ffixed-r2
-Wno-uninitialized -mmultiple -mstring -mcpu=860 " -C  net
make[1]: Entering directory `/usr/src/linux-2.4.16/net'
make -C core
make[2]: Entering directory `/usr/src/linux-2.4.16/net/core'
make all_targets
make[3]: Entering directory `/usr/src/linux-2.4.16/net/core'
ppc-linux-gcc -D__KERNEL__ -I/usr/src/linux-2.4.16/include -Wall
-Wstrict-prototypes -Wno-trigraphs -O2 -fomit-frame-pointer -fno-strict-aliasing
 -fno-common -D__powerpc__ -fsigned-char -msoft-float -pipe -ffixed-r2
-Wno-uninitialized -mmultiple -mstring -mcpu=860    -c -o sock.o sock.c
In file included from /usr/src/linux-2.4.16/include/net/tcp.h:1036,
                 from sock.c:122:
/usr/src/linux-2.4.16/include/net/tcp_ecn.h: In function `TCP_ECN_send':
/usr/src/linux-2.4.16/include/net/tcp_ecn.h:54: union has no member named
`af_inet'
/usr/src/linux-2.4.16/include/net/tcp_ecn.h:61: union has no member named
`af_inet'
make[3]: *** [sock.o] Error 1
make[3]: Leaving directory `/usr/src/linux-2.4.16/net/core'
make[2]: *** [first_rule] Error 2
make[2]: Leaving directory `/usr/src/linux-2.4.16/net/core'
make[1]: *** [_subdir_core] Error 2
make[1]: Leaving directory `/usr/src/linux-2.4.16/net'
make: *** [_dir_net] Error 2
-----------------------------------------------

I am wondering why is it compiling in the net/core directory when I do not want
any
kind of networking support!

After looking at the Makefiles I found that it compiles the net, net/core and
net/ethernet
directories even if  CONFIG_NET is not set. I tried to remove all the networking
 stuff by
changing the makefiles but I had to fix the following:

1. removed (using #ifdef) all the socket related stuff except for a
sys_socketcall which
returns ENOTSUPP. This hook is needed by the code in arch dir
2. put the sock_init call in main.c inside #ifdef
3. added some #ifdefs in fs/fcntl.c to remove calls to  sock_fcntl

Am I doing it right or will it break something? Do we need socket.c etc. even
when we
do not want networking support?

Thanks,
Harendra

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