built gcc 2.95.2 to OS dynix 4.4.2 (Sequent)

[FRANCK.BELLUGEON@bnf.fr]

Hello,
I try to build gcc 2.95.2 to OS dynix 4.4.2. I have a error of compilation
collect2.c line 364 _sys_siglist undefined symbol.

while a configure step, it detect that the system haven't this function.
message of configure.log
configure:2793: cc -c -g  conftest.c 1>&5
"configure", line 2789: undefined symbol: sys_siglist
"configure", line 2789: cannot dereference non-pointer type
"configure", line 2789: warning: improper pointer/integer combination: op
"="
configure: failed program was:

can you help me.
thank you.