Have you looked at doc/backend-writing.txt? I suggest taking notes as you work threw this process and provide patches to that file to improve it for next author.
On Mon, Apr 25, 2011 at 9:05 AM, Paul Newall <p.newalls at ntlworld.com> wrote: > Progress: > I managed to copy an existing backend, and add it to the build system. So > now I can start the actual backend writing process. > That was quite hard work. I'm not sure if that was just me, or whether it > might encourage other people to have a go at writing a backend if there was > an easier way to get started. > > Maybe some experienced backend writer could provide one of the following? > > A build and install system for a single backend. I think that would be the > easiest to understand. And the install process would be faster during > developement if you were only installing one backend. It would need to be > easy to change the backend name, perhaps by changing one variable with the > name in? > > Or, provide one empty backend as part of the sane-backends, that you can > experiment with without having to copy and rename an existing backend. > > Also it would be nice to have empty backend files: emptybackend.c > emptybackend.h emptybackend.conf > with lots of comments in about what you should add in various places. > > > ----- Original Message ----- From: "Paul Newall" <p.newalls at ntlworld.com> > To: <sane-devel at lists.alioth.debian.org> > Sent: Sunday, April 24, 2011 8:26 PM > Subject: Re: [sane-devel] sane backend build system - help > > >> autoreconf -i -f >> seems to have enabled me to make the backends. >> So now I am trying the approach of adding a new backend (copy of an >> existing one) to the backends to see if I can install that. >> >> Paul >> >> ----- Original Message ----- From: "Chris Bagwell" <chris at cnpbagwell.com> >> To: "Paul Newall" <p.newalls at ntlworld.com> >> Cc: <sane-devel at lists.alioth.debian.org> >> Sent: Sunday, April 24, 2011 7:15 PM >> Subject: Re: [sane-devel] sane backend build system - help >> >> >> Its common to have a newer version of autofoo tools on your system and >> you'll need to update the pre-existing files committed in git. >> >> Try running with install option to get newer versions of files: autoreconf >> -i >> >> If that doesn't work then use the force option: ?autoreconf -i -f >> >> Chris >> >> On Sun, Apr 24, 2011 at 10:17 AM, Paul Newall <p.newalls at ntlworld.com> >> wrote: >>> >>> I want to write a new backend. >>> Currently the main obstacle is that I find the backend build system very >>> intimidating. >>> I have no experience of autoconf, automake, or libtool. >>> On my system (ubuntu 10.10) I can run autoreconf and ./configure >>> apparently >>> OK, but when I run make I get these errors: >>> >>> libtool: Version mismatch error. This is libtool 2.2.10, but the >>> libtool: definition of this LT_INIT comes from libtool 2.2.6b. >>> libtool: You should recreate aclocal.m4 with macros from libtool 2.2.10 >>> libtool: and run autoconf again. >>> make[2]: *** [libsane_la-dll-s.lo] Error 63 >>> >>> How would I recreate aclocal.m4 with macros from libtool 2.2.10 ? I don't >>> have much idea what that means. >>> >>> Is it best to start by adding an empty new backend to the build system? >>> (in >>> which case I will need to get the build system to work first) >>> Or would it be better to make and install the new backend independently >>> during development? (this might be easier? and it might give me a faster >>> modify, build, test cycle during development? But are there difficulties >>> that I have not discovered yet?) >>> >>> >>> -- >>> sane-devel mailing list: sane-devel at lists.alioth.debian.org >>> http://lists.alioth.debian.org/mailman/listinfo/sane-devel >>> Unsubscribe: Send mail with subject "unsubscribe your_password" >>> to sane-devel-request at lists.alioth.debian.org >>> >> >> >> -- >> sane-devel mailing list: sane-devel at lists.alioth.debian.org >> http://lists.alioth.debian.org/mailman/listinfo/sane-devel >> Unsubscribe: Send mail with subject "unsubscribe your_password" >> ? ? ? ? ? ?to sane-devel-request at lists.alioth.debian.org > > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > ? ? ? ? ? ?to sane-devel-request at lists.alioth.debian.org >
