Re: [mpls-linux-general] kernel compile error

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The patch for mpls-linux-1.0 is again linux kernel 2.4.13.  Patching a 2.4.5
kernel may not work (as you're seeing).

I'm copying instructions from the 'mini-howto' which was posted to the list.
Although the mini-howto is for mpls-linux-1.1xx the kernel patching part
is the same.

MPLS Installation Guide

Status
MPLS for Linux comes as third-party addition. It means that fresh
mainstream kernel does know nothing about MPLS protocol.
To add MPLS support your need
1. patch your kernel
2. get and compile userland configuration utilities

Note: MPLS is beta software!

Compile Instruction
1. Change system headers
cd /usr/include
mv linux linux.old
mv asm asm.old
ln -s /usr/src/linux/include/linux linux
ln -s /usr/src/linux/include/asm asm

cd /usr/src
rm linux

2. Get mpls-linux from SorceForge

3. Download kernel v2.4.13 to /usr/src. You can get it from
http://www.kernel.org/pub/linux/kernel/v2.4/linux-2.4.13.tar.gz or
nearest mirror
cd /usr/src
tar zxvf linux-2.4.13.tar.gz
mv linux linux-2.4.13
ln -s linux-2.4.13 linux
cd linux
patch -p1 < /root/mpls-linux/patches/linux-mpls.diff
	make menuconfig
	under "Code maturity level options"
	turn on "Prompt for development and/or incomplete code/drivers"
	under "Networking Options"
	turn on "Kernel/User netlink socket"
	turn on "  Routing messages"
	turn on "Multi-Protocol Label Switching"
	(do other kernel configuration)

Then read QUICK.START utils/README.example for more info.

Jim

On Tue, Feb 12, 2002 at 07:22:03AM -0800, blue caddy wrote:
> Hello, I'm trying to build a 2.4.5 linux kernel with
> the mpls patch (1.0) applied.  But I ran into the
> following error.  Can you help me out?
> 
> make[3]: Entering directory
> `/usr/src/linux-2.4.5/net/mpls'
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_if.o mpls_if.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_in_info.o mpls_in_info.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_init.o mpls_init.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_input.o mpls_input.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_ioctls.o mpls_ioctls.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_netlink.o mpls_netlink.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_opcode.o mpls_opcode.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_out_info.o mpls_out_info.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_output.o mpls_output.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_proc.o mpls_proc.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_ref.o mpls_ref.c
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_utils.o mpls_utils.c
> mpls_utils.c: In function `mpls_instruction_build':
> mpls_utils.c:136: warning: assignment makes integer
> from pointer without a cast
> gcc -D__KERNEL__ -I/usr/src/linux-2.4.5/include -Wall
> -Wstrict-prototypes -O2 -f
> omit-frame-pointer -fno-strict-aliasing -pipe
> -mpreferred-stack-boundary=2 -marc
> h=i586    -c -o mpls_tunnel.o mpls_tunnel.c
> mpls_tunnel.c: In function `mpls_tunnel_init_gen':
> mpls_tunnel.c:253: `ARPHRD_MPLS_TUNNEL' undeclared
> (first use in this function)
> mpls_tunnel.c:253: (Each undeclared identifier is
> reported only once
> mpls_tunnel.c:253: for each function it appears in.)
> make[3]: *** [mpls_tunnel.o] Error 1
> make[3]: Leaving directory
> `/usr/src/linux-2.4.5/net/mpls'
> make[2]: *** [first_rule] Error 2
> make[2]: Leaving directory
> `/usr/src/linux-2.4.5/net/mpls'
> make[1]: *** [_subdir_mpls] Error 2
> make[1]: Leaving directory `/usr/src/linux-2.4.5/net'
> make: *** [_dir_net] Error 2
> 
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-- 
James R. Leu