Re: [Boost-build] Target containing many files

Subject: Re: [Boost-build] Target containing many files
From: Deane Yang (deane_at_[hidden])
Date: 2016-02-09 12:09:26

To clarify, I'd like a rule, where there is only a single input file (the
swig file) and many output files (say, the generated Java source files).
In particular, I'd like the rule executed if any of the generated files are
deleted.

On Mon, Feb 8, 2016 at 12:00 PM, <boost-build-request_at_[hidden]>
wrote:

>
>
> Message: 1
> Date: Mon, 8 Feb 2016 10:36:16 -0500
> From: Phillip Seaver <phil_at_[hidden]>
> To: steven_at_[hidden],    "Boost.Build developer's and
>         user's list" <boost-build_at_[hidden]>
> Subject: Re: [Boost-build] Target containing many files
> Message-ID: <56B8B5F0.7080909_at_[hidden]>
> Content-Type: text/plain; charset=windows-1252
>
> On 2/6/16 2:00 PM, Steven Watanabe wrote:
> > AMDG
> >
> > On 02/06/2016 10:24 AM, Deane Yang wrote:
> >> Although I'm slowly learning how the guts of Boost Build works, I still
> >> find a lot of it fairly opaque. Is it possible to have a target that
> >> consists of more than one file? For example, I'd like to take the Java
> >> files generated by SWIG and feed them into javac. Is there a way to do
> >> this? I apologize if this is already explained in the documentation.
> >> Perhaps either an explicit example or a pointer to one in the
> documentation
> >> would be very helpful.
> >>
> > This should work automatically.  This is not
> > essentially different from .cpp -> .o -> .exe.
> >
>
> javac will generate a .class file for each class in the source, so it's
> not necessarily a 1:1 correspondence, and you would have to parse the
> .class file in order to determine what files will be generated.  That's
> the problem I ran into when trying to create a generator.
>
> "Inner class definitions produce additional class files." --
> http://docs.oracle.com/javase/7/docs/technotes/tools/windows/javac.html
>
> Phillip
>
>
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