Compiling on Ubuntu 10.04 LTS AMD64 on a GoGrid virtual machine from 2012-01-12 checkout.<br /><br />Bison upgraded to
v2.5,and downgraded to v2.4.1<br /><br />Make process for both versions resulted in the following errors:<br /><br />
make[3]:Leaving directory `/usr/local/src/pgbuild/src/backend/catalog'<br />make -C parser gram.h<br />make[3]:
Enteringdirectory `/usr/local/src/pgbuild/src/backend/parser'<br />/usr/local/bin/bison -d -o gram.c gram.y<br />
gram.y:conflicts: 370 reduce/reduce<br />gram.y: expected 0 reduce/reduce conflicts<br />gram.y:10482.27-10494.33:
warning:rule useless in parser due to conflicts: func_expr: COLLATION FOR '(' a_expr ')'<br /> make[3]: *** [gram.c]
Error1<br />make[3]: Leaving directory `/usr/local/src/pgbuild/src/backend/parser'<br />make[2]: *** [parser/gram.h]
Error2<br />make[2]: Leaving directory `/usr/local/src/pgbuild/src/backend'<br /> make[1]: *** [all-backend-recurse]
Error2<br />make[1]: Leaving directory `/usr/local/src/pgbuild/src'<br />make: *** [all-src-recurse] Error 2<br />