[jamming] Generated header files

[Diane Holt]

You should have the targets match the includes. Why do your generated
headers have "include/" in there?

Diane

On 7/11/07, John Waugh <john.waugh at gmail.com> wrote:
>
> Ah I remember seeing that somewhere ages ago and had forgot - thanks!
>
> Since that worked out well - here's more questions (:
>
> Is there any way to make sure the names of the .h files referenced in
> the Jamfile "match up" with those detected during header scanning?
>
> Essentially, I want a way to detect if (possibly) multiple targets in
> fact bind to the same concrete file.
>
> The reason being that I want to (in my GenerateHeaders rule) say:
>    Includes $(header_files) : $(template_files) ;
>
> Where template_files are the files from which the header_files are
> generated.
> That way if template_files change, the headers get regenerated and the
> appropriate sources get recompiled.
>
> The problem is in the case where header files that GenerateHeaders
> knows about look like "include/foo.h", but the ones #included in the
> .cpp files look like "foo.h".
>
> Currently, if they don't match up, header_files aren't in the
> dependency tree and jam doesn't even see them.
>
>
> Thanks
> -John
>
> On 7/11/07, Diane Holt <holt.diane at gmail.com> wrote:
> > I distinguish generated headers by including them in a var (called
> NO_HDRGRIST, but I suppose GENHDR or some such would have been better :)
> then exclude the files listed in that var from the NoCare (and from getting
> gristed with HDRGRIST, which explains the name a bit :)
> >
> > Diane
> >
> >
> >
> > On 7/11/07, John Waugh <john.waugh at gmail.com> wrote:
> > >
> > >  I have a rule that calls a script which generates some .h files,
> which are included by other .cpp files.
> > >
> > > This works fine for the most part, except when the .h files need to be
> generated freshly.
> > > Jam's header scanning applies NoCare to the headers, so if the .h
> files don't exist, jam doesn't cause them to be generated.
> > >
> > > Any way around this?
> > > There's no "UnNoCare" rule, I presume (:
> > >
> > > Of course I can also have some special target such as 'generate' which
> will just force the files to be created, but ideally a user would just have
> to build the main project, which will cause the headers to be generated as
> needed.
> > >
> > > Tips?
> > >
> > > -John
> > >
> > >
> > > _______________________________________________
> > > jamming mailing list  -  jamming at perforce.com
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> > >
> > >
> >
> >
>
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