```
$ bmake
=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for bitcoin-0.20.1nb3
Making all in src
gmake[1]: Entering directory '/home/pbulk/build/finance/bitcoin/work/bitcoin-0.20.1/src'
gmake[2]: Entering directory '/home/pbulk/build/finance/bitcoin/work/bitcoin-0.20.1/src'
gmake[3]: Entering directory '/home/pbulk/build/finance/bitcoin/work/bitcoin-0.20.1'
gmake[3]: Leaving directory '/home/pbulk/build/finance/bitcoin/work/bitcoin-0.20.1'
  CXXLD    bitcoin-tx
Undefined                       first referenced
 symbol                             in file
freeifaddrs                         libbitcoin_util.a(libbitcoin_util_a-randomenv.o)
getifaddrs                          libbitcoin_util.a(libbitcoin_util_a-randomenv.o)
ld: fatal: symbol referencing errors. No output written to .libs/bitcoin-tx
collect2: error: ld returned 1 exit status
gmake[2]: *** [Makefile:7355: bitcoin-tx] Error 1
gmake[2]: Leaving directory '/home/pbulk/build/finance/bitcoin/work/bitcoin-0.20.1/src'
gmake[1]: *** [Makefile:17263: all-recursive] Error 1
gmake[1]: Leaving directory '/home/pbulk/build/finance/bitcoin/work/bitcoin-0.20.1/src'
gmake: *** [Makefile:782: all-recursive] Error 1
*** Error code 2

Stop.
bmake[1]: stopped in /data/pkgsrc/finance/bitcoin
*** Error code 1
```

I found [this](https://github.com/pydron/ifaddr/issues/23), which seems to be the same issue, but on a Python context.

Previous issues with compiling on Illumos seem to have been sorted out (#15708 & more), but now it's stuck here.
{
    std::vector<unsigned char> vchNetGroup(ad.GetGroup(addrman.m_asmap));
    return GetDeterministicRandomizer(RANDOMIZER_ID_NETGROUP).Write(vchNetGroup.data(), vchNetGroup.size()).Finalize();
}
void CaptureMessage(const CAddress& addr, const std::string& msg_type, const Span<const unsigned char>& data, bool is_incoming)
{
    
    
    
    
    auto now = GetTime<std::chrono::microseconds>();
    
    std::string clean_addr = addr.ToString();
    std::replace(clean_addr.begin(), clean_addr.end(), ':', '_');
    fs::path base_path = GetDataDir() / "message_capture" / clean_addr;
    fs::create_directories(base_path);
    fs::path path = base_path / (is_incoming ? "msgs_recv.dat" : "msgs_sent.dat");
    CAutoFile f(fsbridge::fopen(path, "ab"), SER_DISK, CLIENT_VERSION);
    ser_writedata64(f, now.count());
    f.write(msg_type.data(), msg_type.length());
    for (auto i = msg_type.length(); i < CMessageHeader::COMMAND_SIZE; ++i) {
        f << '\0';
    }
    uint32_t size = data.size();
    ser_writedata32(f, size);
    f.write((const char*)data.data(), data.size());
}