[Asterisk-Users] bison/flex version warning

[Michael Stearne]

On 6/2/05, Mike M <no-linux-support at earthlink.net> wrote:
=================================================================================
> NOTE: Using older version of expression parser. To use the newer
> version,
> NOTE: upgrade to flex 2.5.31 or higher, which can be found at
> NOTE: http://sourceforge.net/project/showfiles.php?group_id=72099
> =================================================================================
> 
> My bison is this: bison (GNU Bison) 1.875c (Which appears to be ancient
> because the s/f link above shows the 2.5.31 flex archive date as
> 2003-03-31).
> 
> What's the risk of ignoring this warning?
> 
> Rhetorical question: why is CentOS using a moldy old flex/bison package?

OS X (10.4.1) is using the same moldy old versions also. Ignoring that
warning on OS X causes the compile to fail.  Upgrading bison worked
for me.

Michael