Re: [Boost-build] Jam rule argument limit

From: Vladimir Prus (vladimir_at_[hidden])
Date: 2008-07-26 11:29:50

Jonathan Biggar wrote:

> Jurko Gospodnetić wrote:
>>   Hi Jonathan.
>> 
>>> Is there any particular reason that bjam limits the number of fields
>>> passed to a rule to 9?  I just hit the limit and it makes me unhappy.
>> 
>>   Not that I know of. But feel free look into it and suggest a patch, or
>> at least add a new ticket at: http://zigzag.cs.msu.su/boost.build
>> 
>>   I think Rene is planning on packaging a new Boost Jam release
>> sometimes after this Boost library release...
> 
> I looked through the Jam source, and it appears that the only reason is
> that the code only detects $(1) through $(9) as field references.
> Extending that shouldn't be too difficult, plus I'll have to change the
> LOL_MAX parameter from 9 as well.

To what value? Ideal solution might be to switch from fixed size structure
to a dynamic one, but that's not exactly a one-line, and 9 arguments looks
like a lot :-)

- Volodya