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<H1>strange library prob with sane (+xsane)</H1>
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<STRONG>From:</STRONG> Jason Nicholls (<A HREF="mailto:jason@mindsocket.com.au?Subject=Re:%20strange%20library%20prob%20with%20sane%20(%2Bxsane)&In-Reply-To=&lt;20000826022311.T2982@nikita.mindsocket.com.au&gt;"><EM>jason@mindsocket.com.au</EM></A>)<BR>
<STRONG>Date:</STRONG> Fri Aug 25 2000 - 11:23:11 PDT
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G'day,
<BR>
<P>I recently downloaded the source for sane 1.0.3 and xsane 0.61. There wasn't
<BR>
any problems with compilation of either, and sane + it's utils work
<BR>
fine (like scanimage). The problem comes when I tried to use xsane and it
<BR>
couldn't find any devices (this isn't an xsane prob though, read on).
<BR>
<P>After a long time trying to work out what was wrong I traced it to the
<BR>
following:
<BR>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- sane utils were first finding the sane libraries in
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/usr/local/lib (all sym links into /usr/local/lib/sane)
<BR>
<P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;- xsane utils were first finding the same libraries in
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/usr/local/lib/sane
<BR>
<P>That all sounds pretty great, but the problem was the sym links in
<BR>
/usr/local/lib/sane were not quite correct.
<BR>
<P>Rather than have &quot;libsane.so.1&quot; pointing to &quot;libsane-dll.so.1&quot; it was pointing
<BR>
to &quot;libsane-v4l.so.1&quot;. So whenever xsane was starting it would immediately use
<BR>
the v4l backend and not find any devices (cause I'm using a umax scanner and
<BR>
the umax backend).
<BR>
<P>Ok, I've found the problem and simply fix the broken sym link, yes? Well
<BR>
that's what I do but next time ldconfig is run it removes and sets up a
<BR>
broken link again.
<BR>
<P>So what I want to know is why this is happening and whether this is my fault
<BR>
or ldconfig, or something todo with sane (not xsane).
<BR>
<P><P>BTW, this wasn't a problem when using the previous release of sane (1.0.2) and
<BR>
xsane. I don't know whether this was because the older xsane looked in
<BR>
/usr/local/lib (rather than in the sane sub-dir) or whether the links were
<BR>
correct.
<BR>
<P>I'm pretty sure I can recompile xsane to use the /usr/local/lib dir in the
<BR>
future but that doesn't solve the problem - it's just ignoring it ;)
<BR>
<P><P>Some system information:
<BR>
<P>Redhat 6.1, glibc 2.1.2, egcs 2.91.66 (egcs-1.1.2 release)
<BR>
using a umax Astra 1220S and an adaptec 29?? (future domain SCSI 2)
<BR>
<P><P>Later,
<BR>
<P>Jason Nicholls
<BR>
--------------------------------------------------------------------
<BR>
Jason Nicholls icq: 11745841 email: &lt;<A HREF="mailto:jason@mindsocket.com.au?Subject=Re:%20strange%20library%20prob%20with%20sane%20(%2Bxsane)&In-Reply-To=&lt;20000826022311.T2982@nikita.mindsocket.com.au&gt;">jason@mindsocket.com.au</A>&gt;
<BR>
Proprietor mobile: 0417 410 811
<BR>
Mind Socket [web services] <A HREF="http://www.mindsocket.com.au/">http://www.mindsocket.com.au/</A>
<BR>
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