How to build old version of GCC and BINUTILS?

Question

I need to build GCC 3.1.1 and BINUTILS 2.13.1 because they support FreeBSD 1 executable format. Unfortunately, while building an old version of BINUTILS with the current version of GCC (10.2.0) I get a lot of errors. What flags do I need to pass to GCC to successfully build this old version?

EDIT:

The command I ran: Just configure and make.

Error log: https://pastebin.com/tDRCF9yG

In file included from ../../gcc/gcc/read-rtl.c:25:
../../gcc/gcc/read-rtl.c: In function ‘read_rtx’:
../../gcc/gcc/../include/obstack.h:426:30: error: lvalue required as increment operand
  426 |    *((void **)__o->next_free)++ = ((void *)datum);   \
      |                              ^~