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Re: ipvsadm git head not compiling on RHEL6

To: Jesper Dangaard Brouer <jbrouer@xxxxxxxxxx>
Subject: Re: ipvsadm git head not compiling on RHEL6
Cc: Simon Horman <horms@xxxxxxxxxxxx>, lvs-devel@xxxxxxxxxxxxxxx, Wensong Zhang <wensong@xxxxxxxxxxxx>, Julian Anastasov <ja@xxxxxx>
From: Daniel Borkmann <dborkman@xxxxxxxxxx>
Date: Thu, 08 Aug 2013 10:27:05 +0200
On 08/08/2013 10:19 AM, Jesper Dangaard Brouer wrote:

I noticed that I get an compile error, when compiling ipvsadm
git HEAD 1ea1f41f4 on RHEL6.4.

Compile Error:

gcc -Wall -Wunused -Wstrict-prototypes -g -o ipvsadm ipvsadm.o config_stream.o 
dynamic_array.o libipvs/libipvs.a -lpopt -lnl
libipvs/libipvs.a(libipvs.o): In function `ipvs_nl_send_message':
/home/jbrouer/git/ipvsadm/libipvs/libipvs.c:76: undefined reference to 
`nl_socket_alloc'
/home/jbrouer/git/ipvsadm/libipvs/libipvs.c:91: undefined reference to 
`nl_socket_free'
/home/jbrouer/git/ipvsadm/libipvs/libipvs.c:107: undefined reference to 
`nl_socket_free'
/home/jbrouer/git/ipvsadm/libipvs/libipvs.c:112: undefined reference to 
`nl_socket_free'
collect2: ld returned 1 exit status
make: *** [ipvsadm] Error 1

I'll investigate, but hints would be appreciated ;-)

Did you try using libnl3? (Migrating to libnl3 would be better anyway as
distributions try to get rid of supporting libnl.)

I think sometime in libnl*, nl_handle_{alloc,free} was changed to
nl_socket_{alloc,free}.

Maybe try changing include locations and libs that are linked against
to libnl3.
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