Hi,
On Fri, Jan 12, 2001 at 08:44:22AM -0800, Jeffrey W. Baker wrote:
> Is it actually possible to compile sane?
Yes, lots of people do it every day. It compiles fine on my Debian 2.2
and my SuSE 6.something (with lots of local changes), FreeBSD 4.1, AIX
4, Solaris and Irix (at least).
> I downloaded both parts of the
> 1.0.4 package. I tried to build the backends, but sanei_scsi.c has some
> preprocessor horkage by which it includes /usr/include/scsi/sg.h and
> /usr/include/linux/../scsi/sg.h,
Im not an expert in these things so I'm just guessing:
sanei_scsi.c includes <scsi/sg.h> (if available) and "linux_sg3_err.h" which
includes <linux/../scsi/sg.h>.
> which are clearly the same file and gcc
> gets pissed off by redefinition.
If they were the same file there wouldn't be a redefinition because of
the
#ifndef _SCSI_SG_H
#define _SCSI_SG_H 1
in the header. I guess that you have a link from /usr/include/linux to
/usr/src/linux/include so <scsi/sg.h> is included from
/usr/include/scsi and <linux/../scsi/sg.h> is included from
/usr/src/linux/include/scsi. As the latter file has the following macro:
#ifndef _SCSI_GENERIC_H
#define _SCSI_GENERIC_H
both will be included. I don't have this link so the problem hasn't ocurred for
me. Maybe someone else can point to a solution (if I'm right)?
> After I fixed this problem (not the
> right way, I'm sure, but by hard-coding #include <scsi/sg.h>), the package
> compiled and installed.
Did you install it in the default location (/usr/local/)?
> Then I turned to the frontends. They won't even configure, because they
> can't detect the sane installation. The test program fails because it
> doesn't understand sane_major_version.
That's a bug but it's not the source of your problem. The test for
sane_major_version is done to check why the test program couldn't be
linked to sane. So there is probably a program with linking to the
SANE libs in your case.
sane-config is found but the test for SANE >= 1.0.0 fails?
Could you please send the output of "sane-config --version" and
"sane-config --cflags"? Also look for "sane-config" in config.log and
send all lines up to the end including this line. Did you look at
INSTALL (concerning libs in /usr/local/lib)?
> So the bottom line is that I cannot compile sane release 1.0.4 on this
> system at all. Did I miss a magic step, or should I try the CVS version
> instead?
At least the last bug is fixed in CVS but as I said it's not the
problem.
Bye,
Henning
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