sane-project-backends/README

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How to configure, build, and install SANE.
Introduction:
=============
SANE stands for Scanner Access Now Easy.
This package contains the SANE libraries (this means backends and
network scanning parts) and the command line frontend scanimage.
You always find the most recent version of SANE on:
http://www.mostang.com/sane
The source is available via anonymous CVS, hosted by The Hungry
Programmers. Information on the CVS repository is available from
<URL:http://www.student.uit.no/~pere/linux/sane/cvs-server.html>. The
following will fetch the latests source:
cvs -d :pserver:anoncvs@anoncvs.hungry.com:/cvsroot login
[password "anoncvs"]
cvs -d :pserver:anoncvs@anoncvs.hungry.com:/cvsroot co sane
There are several graphical frontends available for SANE.
XSane is available on http://www.xsane.org
The graphical frontends that have been included into the sane package up to
version sane-1.0.3 (xscanimage and xcam) have been put into an own package
sane-frontends-1.0.x, this package is available on http://www.mostang.com/sane
Quick install:
==============
./configure
make
make install
man sane
Prerequisites
=============
In order to build SANE, the following tools and libraries are required:
- GNU make: version 3.70 or newer
- ANSI C compiler: GNU C (gcc) is recommended for best performance,
but any ANSI-compliant compiler should do
Some more libraries are not strictly necessary to compile SANE, but some
functionality may be lost if they are not available:
- libusb (>=0.1.6): For the sm3600 backend. Can also be used for
other USB backends especially on non-Linux platforms.
- libjpeg (>=6B): For the dc210, dc240, and gphoto2 backends.
- libieee1284 (>=0.1.5): For the canon_pp backend.
- libgphoto2 (>=2.0beta4dev8): For the gphoto2 backend.
SANE should build on most Unix-like systems. Support for OS/2 is also
available. For more details look at the operating system specific README.*
files. For a detailed support matrix, see:
http://www.mostang.com/sane/sane-support.html
This table may be out of date. Please send any corrections or additions to
sane-devel@mostang.com together with your platform, os and version.
Please check that there aren't any older versions of SANE installed on your
system. Especially if sane-libraries are installed in a different prefix
directory (e.g. /usr/lib) this may cause problems with external
frontends. Please remove these libraries (libsane.*, sane/libsane-*) before
installing this version of SANE.
Configuration
=============
Simply invoke configure in the top-level directory. Besides the usual GNU
configure options, there are the following SANE specific options:
--disable-shared
Don't use shared libraries. Useful for debugging or when there
is a problem building shared libraries. This implicitly turns
on --disable-dynamic --enable-static as well.
--disable-dynamic
Disable dynamic loading of backends (in the dll backend).
configure normally turns on dynamic loading when it
can find the appropriate header files and libraries
(<dlfcn.h> and -dl).
--enable-static
Use static libraries (turned off by default).
--enable-preload
Preload backends into DLL backend. This is useful for debugging,
when dynamic loading is unavailable, or to reduce runtime linking
overheads. If dynamic loading or shared libraries are unavailable
or disabled, this option is turned on automatically.
--enable-scsibuffersize=N
Specify the buffer size of the buffer for SCSI commands. The default
value is 131072 bytes (128 kb). This may be changed at runtime by
setting the environment variable SANE_SG_BUFFERSIZE to the desired
value. The option is Linux-only at this time.
--enable-scsibuffersize and SANE_SG_BUFFERSIZE have no effect for
the Mustek, Umax and Sharp backends. For these backends, the buffer
size is set automatically and/or can be specified in the backend's
configuration file. Please refer to the backend's man pages for
details.
--enable-translations
Enable installation of backend options. Frontends can use these
translations for localized option titles and descriptions. GNU
gettext is necessary. This feature is isn't tested very well and
thus disabled by default. See po/README for details.
In addition to these configuration options, there are some more SANE-specific
options and many standard-options. To get a description of available options,
invoke configure with option --help.
If you plan on debugging one of the SANE programs, we recommend to run
configure like this:
CFLAGS="-g -O -Wall" ./configure --disable-shared
For operating system specific information, look at the README.* files.
Build
=====
To build SANE, simply type "make" in the top-level directory.
To clean up the executables and libraries in the source directory, type "make
clean". To restore everything to the status after unpacking the package, type
"make distclean".
Installation and Configuration
==============================
Once the build has finished, install SANE with "make install". By
default, this will place the SANE libraries in /usr/local/lib/, the
configuration files in /usr/local/etc/sane.d/, and the manual pages in
/usr/local/man/. The location of these directories can be overridden
with configure options; see "configure --help" for details.
Before running any SANE program, read the PROBLEMS file in this directory.
For information on configuring and trouble-shooting the various SANE
components, please refer to the manual page sane(7).
The tools directory contains some small programs that may be helpfull. They
are described in tools/README.
Removing
========
Type "make uninstall" to remove SANE from your system. This will also remove
older versions of SANE if they have been installed at the same prefix.
Warning: Your configuration will be deleted also so make sure you have a
backup. By default the configuration files are located in
the directory /usr/local/etc/sane.d/.