Re: [Boost-build] Depending on external libraries

Subject: Re: [Boost-build] Depending on external libraries
From: Paulo Márcio Figueiredo Alves (pauloalves1986_at_[hidden])
Date: 2012-10-04 08:57:55

Hi,

On Wed, Oct 3, 2012 at 10:09 AM, Fabien Chêne <fabien.chene_at_[hidden]>wrote:

> Hi Paulo,
>
> Thank you for answering.
>
> 2012/10/3 Paulo Márcio Figueiredo Alves <pauloalves1986_at_[hidden]>:
> > Hi,
> >
> > Here, where I work, we use prebuilt, and I've done a jam to help us (in
> > attached file). But it bothers me when have to I change the compiler, or
> > other configurations like runtime-link etc, so I prefer use source code.
>
> I used a different approach, which consists in extensively performing
> compile/link tests with autoconf, to generate a .jam which contains
> the prebuilt definitions. Honestly, I find it awful, and I would
> rather have a builtin support for prebuilt boost libraries if that
> would be possible.
> I will have a closer look at your solution when I have more time,
> would you mind mentioning how it basically works ?
>
It searches for your dependencies in predefined dirs or using environment
variables.
I have attached the file again, but now with comments.

>
> > If there is a way to use source code (even why source code files are
> smaller
> > than prebuilt files) and once compiled, do not compile again unless
> > explicit, this way would be the best (my opinion); nevertheless,
> recompiling
> > is not that problem, it's quite fast.
>
> In my opinion, it's not that fast. I remember that the bjam
> dependencies calculation of my project was heavily slow down by the
> boost library one, but that was before Steven's work, so things might
> have changed a bit now...
> Anyway, depending on boost sources more or less forces you to embed it
> in your project tree, which is not always what is done, and in my
> opinion not a very good thing.
>
> Today, we depend on boost prebuilt files, but it's not embedded in project
tree, it's kind of installed (we put
 it on LIBS_HOME dir, compile and stage) but we could use the source code
in the same way so, once compiled
it will not be compiled again (unless the configuration changes).

--
> Fabien
> _______________________________________________
> Unsubscribe & other changes:
> http://lists.boost.org/mailman/listinfo.cgi/boost-build
>