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Re: Determining libstdc++ version at compile time

To: libstdc++ at gcc dot gnu dot org
Subject: Re: Determining libstdc++ version at compile time
From: Craig Rodrigues <rodrigc at mediaone dot net>
Date: Mon, 19 Mar 2001 22:09:27 -0500
References: <20010319202832.A30992@mediaone.net> <Pine.SOL.3.91.1010319183124.6386A-100000@cse.cygnus.com>

On Mon, Mar 19, 2001 at 06:32:07PM -0800, Benjamin Kosnik wrote:
> 
> in c++config.h:
> 
> #define __GLIBCPP__ 20010301
> 
> > What is the preferred method of determining the libstdc++
> > version at compile time?

Hi,

I just looked for that macro and saw that it exists
on libstdc++-v3 but not on libstdc++-v2.  Is this correct?

So, my preprocessor check could go something like:

#if (defined (__GLIBCPP__) && __GLIBCPP__ >= 20010301 )
   v3 code here
#else
   v2 code here
#endif

Thanks.


-- 
Craig Rodrigues        
http://www.gis.net/~craigr    
rodrigc@mediaone.net

Follow-Ups:
- Re: Determining libstdc++ version at compile time
  - From: Jason Merrill
- Re: Determining libstdc++ version at compile time
  - From: Benjamin Kosnik

References:
- Determining libstdc++ version at compile time
  - From: Craig Rodrigues
- Re: Determining libstdc++ version at compile time
  - From: Benjamin Kosnik

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