hplip should not modify dll.conf. take a look at the handling for /etc/sane.d/dll.d
allan On Mon, Dec 27, 2010 at 6:33 PM, John Freed <okg at johnfreed.com> wrote: > I've been working on a port of the HPLIP software to Mac OS X, using > MacPorts. (The SANE project says it doesn't include HPAIO because it's > supported by HPLIP, but HPLIP explicitly does not support the Mac.) > > In the process, I discovered that HPLIP (which provides the hpaio backend) > appends a line "hpaio" to dll.conf to activate it. > > This line is then overwritten the next time sane-backends is upgraded. > > I then realized that this is the case with ALL upgrades of sane-backends and > is thus a general problem. It dawned on me that perhaps a better approach > might be something along these lines: > > 1) check to see if dll.conf exists in the install directory. If it doesn't, > install dll.conf.in > > 2) if it already exists, either leave it alone, or (better) do something > like this: > -- create a version of dll.conf (call it dll.conf.null) with ALL backends > commented out > -- grep -v ^# dll.conf >> dll.conf.null > -- install the modified dll.conf.null in place of dll.conf > > This will give an updated list of all the backends, but only activate the > ones that were previously active (and not delete items like hpaio that were > active but not part of the official sane-backends package). > > > > -- > 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 > -- "The truth is an offense, but not a sin"
