Re: [Boost-build] Boost.Build newbie

Subject: Re: [Boost-build] Boost.Build newbie
From: frederic.bron_at_[hidden]
Date: 2008-12-03 09:56:12

> frederic.bron_at_[hidden] wrote:
>
> > I have read the documentation of boost.build on boost.org and I
> have a few questions:
>
> > 1.) I do not understand what's more in boost.build compared to
> bjam; I see no reference to
> > something else than bjam in boost.build doc.
>
> What "reference" do you mean? Pretty much everything documented in
> Boost.Build documentation
> is a Boost.Build feature.

By reference I mean is there anything else than bjam in boost.build? Reading the doc, it seems to me that bjam is the only thing I need for what's called "boost.build". But there is a specific
documentation for boost.build and boost.jam. I am confused with that.

> > 2.) Is it true that the dependencies must be
> > specified manually in a Jamfile; dependenceis are not
> automatically found with header files. I
> > understood this from this page of the doc :
> > http://www.boost.org/doc/tools/build/doc/html/bbv2/tutorial/libs.html
> However, the example is with
> > a library dependency and not with source file dependecies.
>
> Dependencies on header files are automatically detected. Sources, of
> course, need to be specified.
> What on that page made you think dependencies on headers are not detected?

OK for headers, that's great. However, If main.cc #includes a.hh, then if a.cc exists, I need to link main.o with a.o to make the program "main". It seems to me that I have to say to bjam that the
"main" executable target needs a.o. Is that true?

> > Today I use the makedepend utility and a bash script to build a
> valid Makefile. However, it is
> > hard to maintain and I would like to add msvc compiler on windows
> and it causes me much trouble.
> > Boost.build seems to do that but if I have to manually track the
> dependencies, I prefer to
> > continue with gcc only.
>
> You don't have to track header dependencies.
>
> HTH,
> Volodya

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