tinderboxes don't need to upgrade bison anymore

[Stephan Bergmann]

On 07/10/2013 06:24 PM, Lionel Elie Mamane wrote:
> As to the warnings like "defined, but not used", well warnings in
> automatically generated code are not something we can/should tackle
> "locally" / not worth forcing non-Apple provided bison on our MacOS X
> build. I'd suggest forcing -Wno-error on this file; possibly
> conditional on the known-problematic bison version(s).

Note that C/C++ files generated from flex/bison sources are already 
compiled without -Werror, so it could only be 
connectivity/source/parse/sqlnode.cxx including the generated 
sqlbison.hxx that could cause problems wrt -Werror here.

Stephan