[RFC] gdb_realpath causes problems with GVD

[Daniel Jacobowitz]

On Tue, Mar 19, 2002 at 07:16:33PM +0200, Eli Zaretskii wrote:
> 
> On Tue, 19 Mar 2002, Joel Brobecker wrote:
> 
> > As you see, GDB has translated toto.c into toto.C. This translation
> > causes GDB to think that the inferior stopped in a file named toto.C
> > (which is not known to GDB, since the compiler used only toto.c).
> 
> Are you saying that gdb_realpath shouldn't follow symlinks?

Well, that it shouldn't follow file symlinks.

> > The translation is performed by gdb_realpath. I searched the gdb-patches
> > archives, and found the reason for this translation in a message from
> > Tom Tromey. I think I found a way to keep the fix to his problem and
> > then at the same time fix our issue: instead of canonicalizing the
> > entire filename, I suggest that we only expand the directory prefix
> > (ie the part returned by the "dirname" unix command).
> 
> Is this a complete solution?  That is, will it work in a situation 
> slightly different from your, e.g., when one of the directories in the 
> full file name is also a symlink?

I believe it will.  We'll have a canonical name for each directory a
source file was built out of; if the source file was a link, well, it's
still the name we were given for the source file.  Does that seem right
to you?

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer