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<TITLE>sane-devel: SANE 1.0.2 linking problems</TITLE>
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<META NAME="Author" CONTENT="Benjamin Low (ben@snrc.uow.edu.au)">
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<META NAME="Subject" CONTENT="SANE 1.0.2 linking problems">
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<H1>SANE 1.0.2 linking problems</H1>
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<!-- received="Tue Jun 27 20:09:59 2000" -->
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<!-- sent="Wed, 28 Jun 2000 13:20:41 +1000" -->
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<!-- isosent="20000628032041" -->
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<!-- name="Benjamin Low" -->
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<!-- email="ben@snrc.uow.edu.au" -->
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<!-- subject="SANE 1.0.2 linking problems" -->
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<!-- id="39596F09.1709074E@snrc.uow.edu.au" -->
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<!-- inreplyto="200006270601.OAA04117@poseidon.ee.uwa.edu.au" -->
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<STRONG>From:</STRONG> Benjamin Low (<A HREF="mailto:ben@snrc.uow.edu.au?Subject=Re:%20SANE%201.0.2%20linking%20problems&In-Reply-To=<39596F09.1709074E@snrc.uow.edu.au>"><EM>ben@snrc.uow.edu.au</EM></A>)<BR>
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<STRONG>Date:</STRONG> Tue Jun 27 2000 - 20:20:41 PDT
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<P>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0199.html">Petter Reinholdtsen: "Re: Backends using Kernel-Modules"</A>
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<UL>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0197.html">Henning Meier-Geinitz: "Re: printf()/fprintf() in backends"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0193.html">Petter Reinholdtsen: "Re: Towards release 1.0.3?"</A>
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0211.html">Benjamin Low: "SANE 1.0.2 DLL problems"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0211.html">Benjamin Low: "SANE 1.0.2 DLL problems"</A>
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<HR NOSHADE><P>
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<P>
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I've hit a snag running SANE 1.0.2 - I get indefined symbols when the
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<BR>
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backends are loaded.
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<BR>
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<P>I've a Debian 2.1, linux 2.2.16 machine (w/ 2.4.0 USB backport), driving
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<BR>
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an Epson 610 (USB) scanner. I am using Karl Heinz's
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<BR>
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sane_epson_20000613.tar.gz backend in place of the 1.0.2 version. Karl
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<BR>
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has been of great help in getting the USB side happening, though I
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<BR>
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believe my current problem is sane-specfic (it happens for all backends,
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<BR>
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incl. pnm).
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<BR>
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<P>Configure (with no options), make and make install succeeds (no errors,
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<BR>
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though I do get a bunch of warnings in most of the 'backend' drivers
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<BR>
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(unused variables and the like, nothing obviously serious)).
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<BR>
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<P>$ cat /usr/local/etc/sane.d/dll.conf
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<BR>
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net
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<BR>
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epson
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<BR>
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pnm
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<BR>
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<P>$ ls -l /usr/local/lib/sane/libsane.so.1
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<BR>
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lrwxrwxrwx 1 root staff 20 Jun 28 09:21 libsane.so.1 ->
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<BR>
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libsane-pnm.so.1.0.2*
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<BR>
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<P>$ scanimage -L
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<BR>
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$
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<BR>
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i.e. nothing, not even the pnm test device
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<BR>
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<P>$ SANE_DEBUG_DLL=128 scanimage -L
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<BR>
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[sanei_init_debug]: Setting debug level of dll to 128.
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<BR>
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[dll] adding backend net
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<BR>
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[dll] adding backend epson
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<BR>
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[dll] adding backend pnm
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<BR>
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[dll] loading backend pnm
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<BR>
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[dll] dlopen()ing `/usr/local/lib/sane/libsane-pnm.so.1'
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<BR>
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[dll] dlopen() failed (/usr/local/lib/sane/libsane-pnm.so.1: undefined
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<BR>
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symbol: sanei_debug_pnm)
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<BR>
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[dll] loading backend epson
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<BR>
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[dll] dlopen()ing `/usr/local/lib/sane/libsane-epson.so.1'
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<BR>
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[dll] dlopen() failed (/usr/local/lib/sane/libsane-epson.so.1: undefined
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<BR>
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symbol: sanei_scsi_max_request_size)
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<BR>
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[dll] loading backend net
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<BR>
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[dll] dlopen()ing `/usr/local/lib/sane/libsane-net.so.1'
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<BR>
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[dll] dlopen() failed (/usr/local/lib/sane/libsane-net.so.1: undefined
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<BR>
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symbol: sanei_w_start_reply)
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<BR>
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[dll] exiting
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<BR>
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[dll] calling backend `pnm's exit function
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<BR>
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[dll] call to unsupported backend operation
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<BR>
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[dll] calling backend `epson's exit function
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<BR>
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[dll] call to unsupported backend operation
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<BR>
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[dll] calling backend `net's exit function
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<BR>
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[dll] call to unsupported backend operation
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<BR>
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<P>For what it's worth, I've tried configure --disable-shared with little
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<BR>
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change (the backends still fail to initialise - I can provide more info
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<BR>
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if reqd).
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<BR>
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<P>Looking at the undefined symbols from above, in /usr/local/lib/sane:
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<BR>
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$ nm libsane-pnm.so.1 | grep sanei_debug_pnm
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<BR>
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00004298 B sanei_debug_pnm
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<BR>
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<P>$ nm libsane-epson.so.1 | grep sanei_scsi_max_request_size
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<BR>
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000125d4 D sanei_scsi_max_request_size
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<BR>
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<P>$ nm libsane-net.so.1 | grep sanei_w_start_reply
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<BR>
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00003f60 T sanei_w_start_reply
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<BR>
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<P>As far I as I understand how dlls work (which is not much), this means
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<BR>
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the symbols *are* present, yes?
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<BR>
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<P><P>I'm more than happy to provide further info as required,
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<BR>
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<P>Regards,
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<BR>
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<P>Ben Low
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<BR>
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<P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20SANE%201.0.2%20linking%20problems&In-Reply-To=<39596F09.1709074E@snrc.uow.edu.au>">majordomo@mostang.com</A>
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</PRE>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0199.html">Petter Reinholdtsen: "Re: Backends using Kernel-Modules"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0197.html">Henning Meier-Geinitz: "Re: printf()/fprintf() in backends"</A>
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<LI><STRONG>In reply to:</STRONG> <A HREF="0193.html">Petter Reinholdtsen: "Re: Towards release 1.0.3?"</A>
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<!-- nextthread="start" -->
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<LI><STRONG>Next in thread:</STRONG> <A HREF="0211.html">Benjamin Low: "SANE 1.0.2 DLL problems"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0211.html">Benjamin Low: "SANE 1.0.2 DLL problems"</A>
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<EM>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Tue Jun 27 2000 - 20:11:34 PDT</EM>
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