Updating to B20.1

Kai Ruottu karuottu@freenet.hut.fi
Fri Dec 18 08:38:00 GMT 1998

> Earnie Boyd <earnie_boyd@yahoo.com> wrote:
> ---Geoffrey Noer <noer@cygnus.com> wrote:
> >
> > On Wed, Dec 16, 1998 at 07:09:48PM -0800, Earnie Boyd wrote:
> > [...]
> > > However, your application must not call a dll that is dependant on
> > > the cygwin1.dll.  You must use either cygwinb19.dll or cygwin1.dll not
> > > both in the same process tree.
> > 
> > I don't think this is the case.  The same shared memory area would be
> > used by both DLLs even though they're named differently so you
> > shouldn't have any problems at all.  This didn't used to be the case
> > in the original cygwinb19.dll but if you just have two identical
> > copies named two different things this wouldn't be an issue.
> The instance I had was the gdbtk from b19 and the cygwin1.dll from
> b20.0.  I haven't tried it since b20.1; but in b20.0 it gave a SIGSEGV
> error.

 I think this could be because of :

  1. using the b20 tcl/tk DLLs with b19 gdbtk
  2. using the b20 tix etc. stuff with b19 gdbtk

not from cygwin1.dll and cygwinb19.dll being in the same system. But
I have tried my b19 gdb (4.17, not the 4.16.x coming with b19) for debugging
only some simple b20 programs.

BTW, I built a b20 version gdbtk from gdb-981029 snapshot using the b19
'gdbtk.c' and linking with b20 tcl/tk libs... Seems to work...

 All my other gdbtk's (10 or so) are b19-based, so sticking in b19 tcl/tk DLLs 
and scripts is necessary for me, until I have rebuilt them all... Hmmm... A
gdb-4.17.1-b20.1 gdbtk release to ftp.franken.de, anyone interested ? (Or is
there already one ?)

Cheers, Kai
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