[mercury-users] Compiling Mercury on Redhat 7.0

David Overton dmo at cs.mu.OZ.AU
Thu May 15 17:39:26 AEST 2003

On Thu, May 15, 2003 at 04:57:21PM +1000, Fergus Henderson wrote:
> On 15-May-2003, Michael Day <mikeday at yeslogic.com> wrote:
> > 
> > Thanks, I think it must have been a time stamp issue, as with some
> > fiddling around and reconfiguration everything worked (although the
> > Makefile does rely on making a hard link from "top_level" to
> > "mercury_compile" which is impossible on file systems without hard links).
> We don't rely on it being a hard link; a copy suffices.
> We do rely on the "ln" command, but on file systems without hard links,
> Cygwin's "ln" just makes a copy, and that is sufficient for our purposes.

I think the problem is that Michael was using a VFAT file system under
Linux.  If you try to make a hard link on such a file system using GNU
ln under Linux you get an error message:

	ln: creating hard link `bar' to `foo': Operation not permitted

David Overton                  Uni of Melbourne     +61 3 8344 1354
dmo at cs.mu.oz.au                Monash Uni (Clayton) +61 3 9905 5779
http://www.cs.mu.oz.au/~dmo    Mobile Phone         +61 4 0337 4393
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