Re: Unable to build iptables on linux kernel 2.6.10 + 2.6.11-rc2 + 2.6.11-rc2-bk5

[Pablo Neira <pablo@eurodev.net>]

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Colin Harrison wrote:

>Hi
>I am experimenting with the linux kernel 2.6.10 + 2.6.11-rc2 +
>2.6.11-rc2-bk5.
>When I try to build CVS snapshot iptables (iptables-1.3.0-20050125) against
>this kernel I get:-
>
>
>make KERNEL_DIR=/home/src/kernel/linux-2.6.10
>....
>cc -O2 -Wall -Wunused -I/home/src/kernel/linux-2.6.10/include -Iinclude/
>-DIPTABLES_VERSION=\"1.3.0-20050125\"  -fPIC -o
>extensions/libipt_conntrack_sh.o -c extensions/libipt_conntrack.c
>In file included from extensions/libipt_conntrack.c:13:
>/home/src/kernel/linux-2.6.10/include/linux/netfilter_ipv4/ip_conntrack_tupl
>e.h:67: error: parse error before "u8"
>  
>
u8 seems not to be defined in user space, that's why iptables complains 
in compilation time. A quick grep at /usr/include on my laptop tells me 
that such definition doesn't exist in user space. AFAICS it's only 
defined in kernel space. So, I've renamed it to u_int8_t and that fixed 
the problem.

Patrick, if this is the best way to fix this problem, are you willing to 
add it to your patchset?

Signed-off-by: Pablo Neira Ayuso <pablo@eurodev.net>

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Pablo

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===== include/linux/netfilter_ipv4/ip_conntrack_tuple.h 1.6 vs edited =====
--- 1.6/include/linux/netfilter_ipv4/ip_conntrack_tuple.h	2005-01-17 23:02:05 +01:00
+++ edited/include/linux/netfilter_ipv4/ip_conntrack_tuple.h	2005-01-30 23:19:09 +01:00
@@ -64,10 +64,10 @@
 		} u;
 
 		/* The protocol. */
-		u8 protonum;
+		u_int8_t protonum;
 
 		/* The direction (for tuplehash) */
-		u8 dir;
+		u_int8_t dir;
 	} dst;
 };