[sane-devel] backend writing question

[Vladimir Dergachev]

On Wed, 1 May 2002, Henning Meier-Geinitz wrote:

> Hi,
>
> On Wed, May 01, 2002 at 08:29:34AM -0400, Vladimir Dergachev wrote:
> > I am basically done with figuring out CanonScan 1220U interface and have
> > thought to give a shot at writing a backend for it.
> >
> > I would like at first to keep it separate from the main tree (of course!)
> > and would be quite glad if someone pointed me towards some working
> > makefile for a out-of-backend tree project.
>
> You can make your own SANE backend with only using sane/sane.h (and
> saneopts.h). But why? You must duplicate all the work already done for
> e.g. configuration, missing functions, reading configuration files (in
> lib/ and sanei/).
>
> Most people use the Main tree and just don't commit their changes to
> CVS. They either put patches against CVS or sane-backends-1.0.7 on
> their web sites or .tar.gz with all the necessary files (new backend,
> Makefiles, documentation) that can be copied over an existing CVS tree.
>
> If you just want to use the tree but put you backend in a different
> directory like this:
>
> sane-backends/
> new_backend/
>
> I copy backend/Makefile(.in) to new_backend, remove the other
> backends, add your own one and change all the paths to point to the
> appropriate directories in sane-backends. I'm not sure if it's worth
> the work, however.

I want to do this because it would be easier to import it into CVS.
I would much rather prefer just to have the backend code instead of the
whole tree.

Btw, what is the criteria for submission of new backends ? What should
work for it to be accepted ?

                             Vladimir Dergachev

>
> Bye,
>   Henning
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