Re: [Boost-build] Can't get output from the print rule?

Subject: Re: [Boost-build] Can't get output from the print rule?
From: John Maddock (boost.regex_at_[hidden])
Date: 2010-07-10 11:50:50

>> I'm trying to use the print.jam file to generate a cpp file, so I have:
>>
>>   print.output t.cpp ;
>>   print.text "hello" ;
>>
>> In my custom rule, but no file t.cpp is ever created.  If I leave out the 
>> print.output part then I do see output to console though.
>
> It needs to be inside a rule:
>
> rule generate-source ( target : sources * : properties * )
> {
>    print.output $(target) ;
>    print.text "hello" ;
> }
>
> make t.cpp : : @generate-source ;
>
> I'll write some documentation for this.

Thanks Steven,

I've sort of got this working now, but I had to define a new feature in 
order to get the text of the file passed into the generate-source rule, is 
there an easier way?

Cheers, John.