[sane-devel] Another cross-post for sane-gphoto2

[jim.george@blueyonder.co.uk]

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On Fri, 11 Jan 2002, Peter Fales wrote:

> On Fri, Jan 11, 2002 at 06:17:50PM +0100, Henning Meier-Geinitz wrote:
>
> > > 	Then it complained about libjpeg libraries missing, this was because some
> > > of them were in /usr/lib so I linked these into /usr/local/lib.
> >
> > The SANE jpeg test doen't look in any special directory. It just tries
> > to include the header and links against a function. If it doesn't find
> > libjpeg in /usr/local/lib, maybe /usr/local/lib is not mentioned in
> > /etc/ld.so.conf?
>
> I think that the gphoto2 stuff works the same way.  I suspect that the
> reason it works for Henning and me is that we have /usr/local/lib/lib
> in /etc/ld.so.conf, so that's one of the standard places it looks for
> libraries.
>

If you mean /usr/local/lib...that's in /etc/ld.conf.  I don't have a sub-directory
/usr/local/lib/lib.

> > > 	Next was the includes for gphoto2...the '-I' directive was
> > > '-I$with_gphoto2/include/gphoto2' but $with_gphoto2 was empty.  So I hardcoded -I to
> > > be '-I/usr/local/include/gphoto2' to get over this.
> >
> > Maybe in the source code "gphoto2/gphoto2.h" and not only "gphoto2.h"
> > must be included?
>
> At line 2975 of configure (the version that Jim sent me), it tries to
> set $with_gphoto2 to /usr/local unless the user supplies a value.  This
> works for me whether I use --with-gphoto2,  --with-gphoto2=/usr/local or
> --with-gphoto2=foo.  (In the latter case, the test compile fails,
> gphoto2 is disabled.)  Perhaps you could put some hooks into the configure
> script to figure out why this is not working for you.
>
This now works by including --with-gphoto2 command line parameter.  I didn't use this at first because ./configure --help says that this is the default.

> > > 	Then it complained of a missing config.h file.  I copied one over from the
> > > gphoto2 source tree.
> > Don't know about that...
>
> I can't explain that either.  You shouldn't have to do that.  Can you send
> me the exact error output and  the config.log output (for this situation)?
>
> > > 	It then complained that PACKAGE and VERSION had been redefined
> > >	whereupon it failed the gphoto2.h test.
> >
> > Can you please post the interesting part of the log file?

please find the interesting part attached.

> >
> > Peter Fales <peter@fales.com> is the mainatiner of this backend.
> > Peter: Would it be reasonable to use gphoto2-config to determine the
> > LDFLAGS and CFLAGS like it's done for gtk-config in the sane-frontends
> > package?
>
> It certainly sounds like the write way to do things, but unfortunately
> it's way beyond my level of knowledge of autoconf, etc.  From a quick
> look, it appears that all the magic is is gtk.m4, and all configure.in
> needs to do is  AM_PATH_GTK(0.99.13, HAVE_GTK=yes, ).  I don't know
> where gtk.m4 comes from - it's quite complicated and there is no
> equivalent gphoto2.m4.  I assume that this would somehave have to come
> from the gphoto2 development team.
>
> Pete Fales
>
Help?! :)


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