configure script problem while working on extention

[Christian via tcpdump-workers <tcpdump-workers () lists tcpdump org>]

> --- Begin Message ---
>
>
> From: Christian <chris () argonautx net>
>
> Date: Fri, 12 Aug 2022 16:27:29 +0200
>
> I pick up this thread of mine again from 7th march of this year 
> (wireshark extension for a Kernel Module (like Usbmon)​ ) enhanced with 
> a configure issue, which was discussed lot of times ( tcpdump configure 
> script doesn't correctly handle static builds ). But Im not sure, if 
> this is a real issue for github.
>
> In my case, I was able to build Tcpdump with these steps:
>
> Get libpcap with git, step into the directory invoke: ./configure 
> --disable-dbus --without-dbus --without-dpdk --disable-rdma
>
> then make and make install.
>
> Then I opened the tcpdump.zip archive within the libpcap directory. step 
> into the directory, call ./configure and it build. success!
>
>
> Then I took my changes for libpcap from march, a pcap-kpnode.c and 
> pcap-kpnode.h (attached)
>
> further I added into pcap.c:
>
> 100: #include "pcap-kpnode.h"
>
> 690: {kpnode_findalldevs, kpnode_create }
>
> and in Makefile.in I added my sourcefiles
>
> after that, I evoked make clean and the configure call again like that 
> one before with all these switches. Then make and make install. The 
> library was successfully build, also with my changes. Then I unzipped 
> the tcpdump archive again to start from scratch and this time 
> ./configure leads to that error message about no pcap_loop support. I 
> added the config.log as well.
>
> /usr/local/bin/pcap-config --static --libs  puts out -L/usr/local/lib -lpcap
>
>
> As expected my build environment is a Debian unstable system, before 
> that I tried it on a Pine64 board with Armbian 22.05.3 Bullseye
>
>
> What could be the problem here? I have some changes for tcpdump for 
> processing my kpnode packages, but I did not apply them for now. Because 
> the tcpdump from upstream was not able to configure, even without my 
> changes.
>
> Thanks in advance
>
> BR Christian
>
>
> --- End Message ---
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