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On 08/08/2013 11:17 AM, Jesper Dangaard Brouer wrote:
On Thu, 08 Aug 2013 10:27:05 +0200
Daniel Borkmann <dborkman@xxxxxxxxxx> wrote:
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.)
Nope, I'm using the default libnl coming with RHEL6.4.
Its not really an option to import/change to libnl3 for RHEL6. But you
could try poking Thomas Graf ;-)
I think sometime in libnl*, nl_handle_{alloc,free} was changed to
nl_socket_{alloc,free}.
Yes, I can see that your libnl3 commit f48e93c1 (libipvs: libnl3: fix
compilation error) caused this issue.
Well, because it broke the build when using libnl3 which should be the
way to go for most users. ;-)
You could add a fall-back define for libnl1 users, so that there's just
a textual replacement to the old name.
Maybe try changing include locations and libs that are linked against
to libnl3.
We officially support ipvsadm for RHEL6, so its not an option to link
against libnl3, as we need to supply an official package... else we/I
would need to have an adaption patch in the RPM (I were looking to
rebase RHEL6 to use the upcoming ipvsadm release).
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