Thanks to you, Martin, Peter, and Eric for the helpful comments.
See below...
On Aug 28, 2006, at 02:10 , Bill Northcott wrote:
Sorry to be dense, but why is this a 'multi-module' problem? Ld is
spitting the dummy because of common symbols in the objects being
linked. I thought the normal practice on Darwin/MacOS X was to use
the -fno-common option on all compiles for code to be used in
shared objects. If this had been done, it might even have linked.
So far, your comments seem valid. The problem is (as you may have
noticed) that the Singular config stuff is just a bit, oh, opaque.
The configure flummery is hard to take apart, but I think that, if I
can figure out how to modify the flags for a specific set of files,
this will work. The devil's in the details, and the details are
devilish.
I pulled the source tarball for Singular and the description 'an
"autoconf" package' can only be loosely applied. It uses a few
autoconf macros, but it certainly does not follow autoconf practice
or recommendations and does not use automake or GNU libtool.
I have not spent long on it but the only Darwin stuff seems to be
in Singular/configure.in. The other packages in the bundle seem to
inherit that configuration. The lines read:
I can't tell whether the kernel config stuff inherits or just
duplicates.
This seems to me to be a mis-configuration problem rather than just
a multi-module issue. Never mind the weird system names, just look
at some of the flags:
[snip]
So yes, I think this is where you should be hacking, but I would
want to understand the complex build system of this package rather
more before declaring that one or other hack was reasonable.
I've followed your lead, and am attempting to understand what's going
on; it's an uphill slog. I think you are correct in your assessments.
Martin has suggested (often :-}) that building without the dynamic
kernel is the right approach; I will try this as well, but since I
don't understand the the issues, I'm not entirely happy with the
choice. I've asked the Singular folk for comments, and I'll see
where this leads.
Thanks again.
Justin
--
Justin C. Walker, Curmudgeon-At-Large
Institute for the Enhancement of the Director's Income
--------
When LuteFisk is outlawed,
Only outlaws will have LuteFisk
--------
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