Re: [boost] how to get preprocessor output with boost build.v2 (was Re: boost::proto documentation for transforms

From: Eric Niebler (eric_at_[hidden])
Date: 2007-04-27 14:24:44

Larry Evans wrote:
> On 04/27/2007 10:59 AM, Eric Niebler wrote:
> [snip]
>> You might look at the fold<> transform (I suggest you run the sources 
>> through the preprocessor first). And then try to wrap your head around 
>> the fold_to_list<> transform to see how the runtime component of the 
>> transform works. Once you understand that, you'll know proto's 
>> transforms inside and out.
>>
> Eric,
> 
> I've tried to get boost build to create a preprocessor output file
> without success.  

I don't know. I use (on windows) "cl /I %BOOST_ROOT% /P fold.hpp". That 
creates fold.i with the preprocessed output. Maybe a BBv2 expert knows? 
Maybe there is a <preprocess>yes feature, or someone could add one.

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com