Looking back at the thread started by Rafe about installing and then
getting the latest version to be the version used....
I think we may need to update some advice pages, and perhaps some sane
documentation? In particular this page:
https://help.ubuntu.com/community/CompileSaneFromSource
says Discover where your existing sane is installed :
sudo find /usr/lib -name 'libsane-dll.so'
But this did not work for Rafe, and does not now work for me on my ubuntu 14.10
Now it seems that
find /usr -name 'libsane.s*'
Will detect existing sane installations. But is that the best distro
independent way to detect them?
(And is the file libsane-dll.so part of a sane installation anymore?)
Also in
https://help.ubuntu.com/community/CompileSaneFromSource
There is advice on switching between versions of sane which says to
edit/etc/ld.so.conf
To use the old version it should read
include /etc/ld.so.conf.d/*.conf
include /usr/lib
To use the new version, change it to
include /etc/ld.so.conf.d/*.conf
include /usr/local/lib
Then run sudo ldconfig and you should be running the latest sane.
Now that seems very oversimplified because the many *.conf files in
/etc/ld.so.conf.d/
Can point to where sane is.
I don't think I understand all this enough to give reliable advice,
particularly for distros other than the one I am using.
Does anyone have ideas about how we should in general:
Detect all existing sane installations.
Advise what parameters to give to ./configure
Advise how to switch between multiple installations.
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