Hi,
I think I have found out why shared libraries don't work with gcc on
AIX. I don't know if that happens on other platforms too, but this
problem seems to be quite usual as I found lots of website that
mention it.
In assert.h, assert is a macro and contains a call to __eprintf.
__eprintf is in libgcc.a. So it's unresolved in the SANE backend
libraries because assert is used in sanei_scsi.c and some backends.
I tried some workarounds but nothing really worked.
E.g. Defining assert in config.h: #define assert(arg) ;
Doesn't work, because assert.h is loaded after config.h
Defining NDEBUG works, but I don't want to disable debugging for
everything.
Some options: Don't use assert. Or use a local header file (lassert.h)
which checks for AIX and uses it's own assert if necessary. Or use a
#ifdef HAVE_ASSERT for every assert.
Any good ideas?
Bye,
Henning
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