Re: [jamboost] Generators example

From: Vladimir Prus (ghost_at_[hidden])
Date: 2002-09-10 07:18:41

David Abrahams wrote:
> From: "Vladimir Prus" <ghost_at_[hidden]>
> 
>>You should cd to tools/build/tests/generators-test and say "bjam" there.
> 
> 
> Wow! It sure does something (see enclosed). But on my cygwin system it
> hangs after that.
> It appears to be putting something bogus in c.cpp (also enclosed).

I don't see c.cpp attached. The bogosity may be causes by the difference 
in echo behaviour, I guess.

>>You can also give a different build request,
>>for example "bjam release".
> 
> 
> Nifty! Seems really fast, too. I wonder how it would do with lots of
> targets (c.f. status/Jamfile)?

I will be really slow. The reason is simple: the transformation sequence
will be computed again and again, and that's slow. However, it's also 
simple to cache results -- say, you'll convert WD to CPP once and will 
be chaning only file names after that.

- Volodya