Re: [Boost-build] Testing installed components

From: Vladimir Prus (ghost_at_[hidden])
Date: 2006-02-08 03:00:57

On Tuesday 07 February 2006 22:59, David Abrahams wrote:
> Vladimir Prus <ghost_at_[hidden]> writes:
> > On Monday 06 February 2006 17:46, Phillip Seaver wrote:
> >> How hard would it be to automatically create a Jamfile to be installed
> >> along with the libraries?
> >
> > It will be rather tricky. Imagine you build/install a project twice, with
> > different properties. Then, you'd need to load the previous installed
> > Jamfile, add new declarations to it, and write it again. And you should
> > take care not to write the same declaration twice, if case you
> > build/install twice with the same properties.
> >
> > It's doable, but not very easy, and the structure of file must be fixed.
>
> Seems easier than that to me.  Can't you just load the Jamfile as
> usual and inspect the data structure that creates?

Ah, right, I think it's possible.

> >> That could also help with the problem of some libraries having
> >> usage requirements (in the case of boost libs and in the more
> >> general case of building and installing libraries with bbv2).
> >
> > Alternatively, each installed library libfoo.so can be accompanied by
> > libfoo.so.usage-requirements, and whatever Jamroot responsible for
> > globbing and declaring prebuilt targets can glob for those files as well.
> > Though it would require "read a file" builtin in jam, unless we have one.
>
> INCLUDE

That only works if the file has variable declaration of some kind:

  usage-requirements = ................. ;

It can't be just a list of properties. Maybe not so big a restriction, anyway.

- Volodya