Re: [Boost-build] rule explicit

From: David Abrahams (dave_at_[hidden])
Date: 2006-07-26 10:20:16

Klaus Nowikow <e8827661_at_[hidden]> writes:

> Klaus Nowikow wrote:
>> Vladimir Prus wrote:
>>> On Friday 07 July 2006 17:21, Klaus Nowikow wrote:
>>>> I am trying to create a customized install rule - package.install
>>>> does not fit my needs. So I copied package.install and changed it
>>>> to what I need. The problem is that my rule does not work with
>>>> 'explicit' - it is called every time I perform a build.
>>> ...
>  > [...]
>
> I think found the problem:
> My original install rule was like this:
>
> rule install ( name : root : requirements * )
> {
>      stage.install $(name)-root : $(root) : $(requirements) ;
>      alias $(name) : $(name)-root ;
>      local c = [ project.current ] ;
>      local project-module = [ $(c).project-module ] ;
>      module $(project-module)
>      {
>          explicit $(name)-root ; # error
> #                  ^^^^ here is the problem
>      }
> }
>
> When I change the line marked with # error to
>
> explicit $(1)-root ;
>
> the everything works as expected. Seems to be that the $(name)
> variable is out of scope there.

yes.  You generally shouldn't be using the "module" language construct
unless you're writing very low-level jam code.  It completely changes
name lookup.

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com