Re: tcpdump configure error with pcap_loop... no

[Denis Ovsienko <infrastation () yandex ru>]

30.12.2013, 18:08, "Denis Ovsienko" <infrastation () yandex ru>:
> 23.12.2013, 21:48, "Evgheni Antropov" <aidjek () gmail com>:
>
> >   Hello I have try to compile tcpdump-4.5.1.tar.gz with libpcap-1.5.2.tar.gz
> >    and receive following error:
> >
> >   checking for pcap-config... /usr/local/bin/pcap-config
> >   checking for pcap_loop... no
> >   configure: error: Report this to tcpdump-workers () lists tcpdump org, and
> >   include the
> >   config.log file in your report.  If you have downloaded libpcap from
> >   tcpdump.org, and built it yourself, please also include the config.log
> >   file from the libpcap source directory, the Makefile from the libpcap
> >   source directory, and the output of the make process for libpcap, as
> >   this could be a problem with the libpcap that was built, and we will
> >   not be able to determine why this is happening, and thus will not be
> >   able to fix it, without that information, as we have not been able to
> >   reproduce this problem ourselves.
>
> List,
>
> last week I ran into this issue once but could not reproduce afterwards. My guess is this error is specific to 
> non-straightforward builds of libpcap and/or leftovers across multiple build attempts.

I don't know if that is related but a different way to trigger this failure on Solaris/SPARC is to compile libpcap in 
64-bit mode and then to try compiling tcpdump in default 32-bit mode. The configure script will fail with the message 
and the log file will contain:

configure:5774: checking for local pcap library
configure:5983: result: ./../libpcap/libpcap.a
configure:5987: checking for pcap-config
configure:6005: found ./../libpcap/pcap-config
configure:6017: result: ./../libpcap/pcap-config
configure:6079: checking for pcap_loop
configure:6079: gcc -o conftest -DINET6 -I/usr/inet6/include -g -O2   conftest.c ./../libpcap/libpcap.a -lsocket -lnsl  
-lsocket -lnsl -lsmi  >&5
ld: warning: file ./../libpcap/libpcap.a(pcap.o): wrong ELF class: ELFCLASS64
Undefined                       first referenced
 symbol                             in file
pcap_loop                           /var/tmp//cc63sAMt.o
ld: fatal: symbol referencing errors. No output written to conftest
collect2: error: ld returned 1 exit status

-- 
    Denis Ovsienko
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