bootstrap/6622: configure should fail if bison is not found

[Josef Spillner]

On Saturday 11 May 2002 02:22, Joseph S. Myers wrote:
> This is not appropriate for building from release tarballs, which include
> the Bison-generated files so that users don't need Bison installed.

Uhm, so what is the point of having this check in configure.in at all? :-)

Anyway, I found there's more or less the same bug report already at 
other/2529, so both should be closed then.

Josef