Re: [Boost-users] warnings with VS2008 and Boost 1.44

Subject: Re: [Boost-users] warnings with VS2008 and Boost 1.44
From: Andrew Holden (aholden_at_[hidden])
Date: 2010-10-28 14:16:35

On Thursday, October 28, 2010 11:02 AM, Paul A. Bristow wrote:
>> -----Original Message-----
>> From: boost-users-bounces_at_[hidden] [mailto:boost-users- 
>> bounces_at_[hidden]] On Behalf Of gast128
>> Sent: Thursday, October 28, 2010 3:27 PM
>> To: boost-users_at_[hidden]
>> Subject: [Boost-users] warnings with VS2008 and Boost 1.44
>> 
>> Dear all,
>> 
>> we try to use Boost 1.44 with our applications and we got
>> the follow warnings:
>> 
>> -gamma.hpp(1053) : warning C4701
>> -token_functions.hpp(220) : warning C4127
>> -find_format_store.hpp(74) : warning C4100
>> 
>> We have here a 'treat warning as error' polciy, so in effect we may 
>> have to add
>> an extra header for some libraries which disables the warning locally

>> and then
>> includes the Boost library header (thru the #pragma push / pop
mechanism).
>
> Sorry about this.  Getting warning free is not as easy as it
> looks (or should be).
>
> (I note we have tried to quiet warnings already, but it looks as
though
> these are not working (for you at least), for reasons not yet clear to
me).
>
> If you mail me (privately?) the full error messages you are getting, I
> will try to get these push'n'pop quieted - but not until 1.46 :-(
>
> All these warnings look spurious, and I think you can safely enclose
and
> disable push'n'pop, as you suggest.

Fair warning about Visual Studio: according to the help file at
http://msdn.microsoft.com/en-us/library/2c8f766e%28v=VS.90%29.aspx

> The compiler only supports up to 56 #pragma warning statements in a
compiland.

It is my experience that the compiler will ignore any "#pragma warning"
lines after this limit has been reached, and it can be reached a lot
faster than you might expect.