Re: [boost] mkl+boost problems

Subject: Re: [boost] mkl+boost problems
From: John Bytheway (jbytheway+boost_at_[hidden])
Date: 2010-11-09 17:50:04

On 09/11/10 21:16, Kevin Heifner wrote:
> On 11/9/2010 2:40 PM, John B. Turpish wrote:
>> I was under the impression that
>> #undef NEVER_WAS_DEFINED
>> was completely harmless, kind of like
>> delete NULL;
> 
> MSDN agrees with you and so does my preprocessor reference.  Hmm, I
> wonder why I've been in the habit of wrapping them in #ifdef.
> 
> Sorry for the noise.

Some compilers warn about undefining not-defined things.  e.g. gcc when
-Wundef is specified (which I do).

John Bytheway