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List:       boost
Subject:    Re: [boost] Showstopper for Boost 1.56?
From:       "Niall Douglas" <s_sourceforge () nedprod ! com>
Date:       2014-07-30 0:58:59
Message-ID: 53D84353.27433.52C4A1EA () s_sourceforge ! nedprod ! com
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On 29 Jul 2014 at 20:48, Edward Diener wrote:

> > I think we all agree that 23Mb of warnings spew per build using Boost
> > 1.56 with clang is unacceptable for release. Either
> > Boost.Preprocessor needs fixing, or clang toolset builds explicitly
> > need to add -Wno-c99-extensions to every Boost build.
> 
> The change that was made in Preprocessor is that variadic macros support 
> is turned on for clang by default. I made this change after a number of 
> complaints from users compiling with clang and after verifying that 
> clang has always had variadic macro support.
> 
> I do realize that clang will spit out lots of warnings, so maybe making 
> this change was not a good idea on a practical level.

That's great news, now we know the cause of the spew!

This is definitely a showstopper for Boost 1.56, megabytes of warning 
spew on clang would be embarrassing for an official release. Bug is 
filed at:

https://svn.boost.org/trac/boost/ticket/10276

Niall

-- 
ned Productions Limited Consulting
http://www.nedproductions.biz/ 
http://ie.linkedin.com/in/nialldouglas/



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