Message-ID: <3FA42F77.5010508@javascript-games.org>
Date: Sat, 01 Nov 2003 22:11:03 +0000
From: Scott Porter <scott@javascript-games.org>
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To: linux-kernel@vger.kernel.org
Subject: Type conflicts in in.h header files.
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Hi,

    This is my first posting here, I'm not subscribed so I'd appreciate 
any responses via email (although I will scan the lkml via Google).

    There appears to be a conflict between the structures defined in the 
following files:
        /usr/include/linux/in.h
        /usr/include/netinet/in.h

    The kernel source I am using:
       2.4.20-gentoo-r5 (I assume the Gentoo patches wouldn't cause this 
though?)

    I'm not much of a C programmer, but I'm attempting to build an old 
daemon called "mrouted" to allow me to set up a multicast router using 
linux (there doesn't seem to be ANY current documentation about this, so 
I'm assuming I still need to use this daemon?!). The kernel was compiled 
with all routing options enabled. Here's a partial error log during the 
build:

gcc -D__BSD_SOURCE  -Ibsd -O -Iinclude-linux  -DRSRR       -c -o igmp.o 
igmp.c
In file included from /usr/include/linux/mroute.h:5,
                 from defs.h:34,
                 from igmp.c:14:
/usr/include/linux/in.h:25: conflicting types for `IPPROTO_IP'
/usr/include/netinet/in.h:32: previous declaration of `IPPROTO_IP'
/usr/include/linux/in.h:26: conflicting types for `IPPROTO_ICMP'
/usr/include/netinet/in.h:36: previous declaration of `IPPROTO_ICMP'
/usr/include/linux/in.h:27: conflicting types for `IPPROTO_IGMP'
/usr/include/netinet/in.h:38: previous declaration of `IPPROTO_IGMP'
/usr/include/linux/in.h:28: conflicting types for `IPPROTO_IPIP'
/usr/include/netinet/in.h:40: previous declaration of `IPPROTO_IPIP'

    I did "fix" this problem by symlinking linux/in.h -> netinet/in.h, 
however, this may have caused other problems during the build, but 
that's my problem I guess!

    Cheers,
                Scott

-- 
Scott Porter

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