From: Warren Young
Date: December 29 2006 9:38pm
Subject: Re: error C2065: 'ulong' : undeclared identifier during build
List-Archive: http://lists.mysql.com/plusplus/6230
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Ian Miller wrote:
> 
> To convince yourself of this, right-click on CLIENT_MULTI_STATEMENTS
> in connection.cpp and select "Go To Definition". It will take you to
> the place where the constant is declared as (((ulong) 1) << 16)

Actually, this is already addressed in svn.  Whenever I can scrape 
together the time needed to finalize a release, it'll be in that.  (I 
don't plan on putting much more in it than what's in svn now.  I won't 
declare a feature freeze just yet, but it's getting to be too long 
between releases these days.)

Meanwhile, try the svn version to see if the problem goes away for you.

> Bottom line: you can work around this problem easily by changing the
> two declarations of constants with "ulong" in mysql_com.h to use
> "DWORDLONG" instead. 

Eck.  One should never have to change a MySQL C API header file to make 
MySQL++ build.  We need to work with what we've been given here.