HP-UX IA64 (Itanium) - error on yacc when invoking jam

[Roy Colica]

All,
I'm going to compile a free source sw and I needed to compile on IA64 jam as it was required, but when I run it I got the following error:
----------------------------------------------
bash-3.00$ jam
+: line 1323: yacc stack overflow at string "
$(AR) $(<) -+$(>)
"
don't know how to make all
...found 1 target...
...can't find 1 target...
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Can someone help in this?
Thanks for your help.
Roy