Sane installed twice (was Re: [sane-devel] epson scanner driving me crazy)

[Frank Zago]

[...]
> If you think
> you already did this, then you have two versions of Sane (or at
> least of the config files) installed. The fact that you think you
> commented out the v4l entry also suggests this: If this were the
> case, you would not see the v4l entries in your log.
> 
> Please check that you have only one version of Sane installed.
> 


Since this is a recurrent issue, sane-find-scanner and maybe (x)scanimage, could 
test for the presence of 2 sane installation and issue a warning.

Testing for the presence of libsane.so in 2 or more directories should suffice.

Frank.