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-rw-r--r--README21
1 files changed, 17 insertions, 4 deletions
diff --git a/README b/README
index 3614b8d..be4699f 100644
--- a/README
+++ b/README
@@ -29,6 +29,17 @@ make install
man sane
+Pre-built binaries:
+===================
+
+In addition to versions included in releases, some platforms have more current versions available.
+
+Ubuntu PPA https://launchpad.net/~sane-project/+archive/ubuntu/sane-release
+
+sudo add-apt-repository ppa:sane-project/sane-release
+sudo apt update
+apt install libsane libsane-common sane-utils
+
Prerequisites
=============
@@ -134,10 +145,12 @@ configure options, there are the following SANE specific options:
Means, that some backends will use a lockfile for allowing multiple
access to one scanner. This is useful, i.e. one frontend is scanning
the button status and another one will scan. The path to the lock
- files is define by --localstatedir at the configure step and is
- $localstatedir/lock/sane. The default group is uucp and can be
- changed by using --with-group=newgroup. If you do not want any
- backend to use a lockfile, simply use --disable-locking.
+ files is defined by --localstatedir at the configure step and is
+ $localstatedir/lock. The default group is uucp and can be changed
+ by using --with-group=newgroup. If you do not want any backend to
+ use a lockfile, simply use --disable-locking.
+ Note: The Plustek backend is currently the only backend that makes
+ use of this feature.
To limit the backends that are compiled, set the variable BACKENDS to
the list of backends to compile. The following will limit compiling