```
$ 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.
continue;
        }
        addrman.ResolveCollisions();
        int64_t nANow = GetAdjustedTime();
        int nTries = 0;
        while (!interruptNet)
        {
            if (anchor && !m_anchors.empty()) {
                const CAddress addr = m_anchors.back();
                m_anchors.pop_back();
                if (!addr.IsValid() || IsLocal(addr) || !IsReachable(addr) ||
                    !HasAllDesirableServiceFlags(addr.nServices) ||
                    setConnected.count(addr.GetGroup(addrman.m_asmap))) continue;
                addrConnect = addr;
                LogPrint(BCLog::NET, "Trying to make an anchor connection to %s\n", addrConnect.ToString());
                break;
            }
            
            
            
            nTries++;
            if (nTries > 100)
                break;
            CAddrInfo addr;
            if (fFeeler) {
                
                
                addr = addrman.SelectTriedCollision();
                if (!addr.IsValid()) {