[mercury-users] Debian package stuff

[William Lee Irwin III]

On 22-Jan-2000, William Lee Irwin III <wli at cs.purdue.edu> wrote:
	[description of dynamic linking problem]

On Tue, Jan 25, 2000 at 01:31:15PM +1100, Tyson Dowd wrote:
> I'm not entirely sure what you mean.  The runtime system libraries in
> the Debian version (as with all versions) work fine as either shared
> libraries or static libraries.  The default is static linking on the x86
> because it creates significantly faster executables (-fPIC has a
> significant overhead for Mercury) (actually it's static on all sorts of
> Linux, but that's just an oversight, it should probably be just x86
> Linux).

	Apparently, this confusion or whatever it was was due to an
oversight of mine.

On Tue, Jan 25, 2000 at 01:31:15PM +1100, Tyson Dowd wrote:
> We link with the libgc.so we supply.  The mmake script is configured to
> take care of all this automatically.  It uses -rpath.  
> 
> $ mmc --pic-reg --link-flags --shared hello.m
	[related commands and output]

	The --pic-reg option appears to be what was throwing me off. I guess
I'll have to read about it and use it. This clears up the issue in itself.

On Tue, Jan 25, 2000 at 01:31:15PM +1100, Tyson Dowd wrote:
> You may want to look around in the scripts directory to see how this all
> works.  One outstanding work item is actually getting all this stuff to
> work *without* using -rpath (use ldconfig instead).  Because of all the
> grades we make available, this is a little non-trivial. 

	That's something I'm interested in doing, though I've got some
hardware to replace before I do it in earnest. I've done some minor
futzing around before on Solaris/SPARC, though nothing quite that
in-depth.


Thanks a lot,
Bill
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