-You have the wrong version of bison in your path; currently 1.875 is
-required. Try installing
- http://ftp.gnu.org/gnu/bison/bison-1.875.tar.bz2
+You have the wrong version of bison in your path; currently 1.875
+2.0 or 2.1 is required. Try installing
+ http://ftp.gnu.org/gnu/bison/bison-2.1.tar.gz