Can you post a bit more, like the exact error or the repeated section ?
For me it takes about 6 min to compile using 4 cores.
Also, I just tried './configure' and 'make depend' on 1.1.20 and it works. This was on slamd64 12.1 tho.
Code:
$ time make -j4
...
real 5m23.548s
user 18m11.082s
sys 1m13.873s