netfilter buglog - Aug 2011 - [Bug 743] New: Errors in compiling nfqnl_test.c

http://bugzilla.netfilter.org/show_bug.cgi?id=743

           Summary: Errors in compiling nfqnl_test.c
           Product: netfilter/iptables
           Version: linux-2.6.x
          Platform: All
        OS/Version: Ubuntu
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: netfilter hooks
        AssignedTo: netfilter-buglog at lists.netfilter.org
        ReportedBy: rachushah83 at gmail.com
   Estimated Hours: 0.0


Hi,

I have installed iptables, libnfnetlink and libnetfilter_queue on Ubuntu 10.04
and kernel version 2.6.32
When I try to compile nfqnl_test.c, I get following errors.

/tmp/cclJyK12.o: In function `print_pkt(nfq_data*)':
nfqnl_test.c:(.text+0x15): undefined reference to `nfq_get_msg_packet_hdr'
nfqnl_test.c:(.text+0x73): undefined reference to `nfq_get_nfmark'
nfqnl_test.c:(.text+0x9a): undefined reference to `nfq_get_indev'
nfqnl_test.c:(.text+0xc1): undefined reference to `nfq_get_outdev'
nfqnl_test.c:(.text+0xef): undefined reference to `nfq_get_payload'
/tmp/cclJyK12.o: In function `cb(nfq_q_handle*, nfgenmsg*, nfq_data*,
void*)':
nfqnl_test.c:(.text+0x173): undefined reference to `nfq_set_verdict'
/tmp/cclJyK12.o: In function `main':
nfqnl_test.c:(.text+0x1a8): undefined reference to `nfq_open'
nfqnl_test.c:(.text+0x204): undefined reference to `nfq_unbind_pf'
nfqnl_test.c:(.text+0x25c): undefined reference to `nfq_bind_pf'
nfqnl_test.c:(.text+0x2c4): undefined reference to `nfq_create_queue'
nfqnl_test.c:(.text+0x328): undefined reference to `nfq_set_mode'
nfqnl_test.c:(.text+0x36c): undefined reference to `nfq_fd'
nfqnl_test.c:(.text+0x39a): undefined reference to `nfq_handle_packet'
nfqnl_test.c:(.text+0x3f8): undefined reference to `nfq_destroy_queue'
nfqnl_test.c:(.text+0x410): undefined reference to `nfq_close'
collect2: ld returned 1 exit status

Can you please guide me to resolve the issue?

Thanks.


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http://bugzilla.netfilter.org/show_bug.cgi?id=743

Pablo Neira Ayuso <pablo at netfilter.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |pablo at netfilter.org
         Resolution|                            |WORKSFORME

--- Comment #1 from Pablo Neira Ayuso <pablo at netfilter.org> 2013-02-14
17:30:51 CET ---
You have to use:

gcc -lnetfilter_queue nfqnl_test.c -o nfql_test

Mind the -l option for gcc to specify the library.

or simply run "./configure && make check'' under
libnetfilter_queue source code
tree.

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