bison 1:1.875d-1 (ia64 binary) in ubuntu hoary

A parser generator that is compatible with YACC
 Bison is a general-purpose parser generator that converts a
 grammar description for an LALR(1) context-free grammar into a C
 program to parse that grammar. Once you are proficient with Bison, you
 may use it to develop a wide range of language parsers, from those used
 in simple desk calculators to complex programming languages.
 .
 Bison is upward compatible with Yacc: all properly-written Yacc
 grammars ought to work with Bison with no change. Anyone familiar with
 Yacc should be able to use Bison with little trouble.