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Re: cyglsa-config not working properly in cygwin 1.7.22
- From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
- To: cygwin at cygwin dot com
- Date: Mon, 29 Jul 2013 22:22:38 +0200
- Subject: Re: cyglsa-config not working properly in cygwin 1.7.22
- References: <2B53C7C1-54F1-4477-91B4-F23CD4A55F0F at basissw dot com> <20130729165818 dot GE4166 at calimero dot vinschen dot de> <6A02E3C2-3208-4526-A066-C76AF86AA372 at basissw dot com> <20130729190814 dot GF4166 at calimero dot vinschen dot de> <20130729192658 dot GH4166 at calimero dot vinschen dot de> <91AB00E9-37A9-471B-85B9-E2C5AFE79E27 at basissw dot com>
- Reply-to: cygwin at cygwin dot com
On Jul 29 14:53, J. P. Abelanet wrote:
>
> On Jul 29, 2013, at 2:26 PM, Corinna Vinschen wrote:
>
> >>
> >> I think I found the problem. The older compiler didn't reorder
> >> functions for optimization purposes, but the new one does. The entry
> >> point for the cyglsa DLL was not explicitely mentioned, but it was based
> >> on the fact that it is the first function in the source code.
> >>
> >> However, the new compiler reorders function by default with -O2
> >> optimization. So the entry point was not at the start of the executable
> >> anymore and the LSA failed to load the cyglsa DLL. I changed the
> >> Makefile to specify the entry point of the DLL explicitely to make sure
> >> the right function is called at load time.
> >>
> >> This seems to work again in my testing on 32 and 64 bit, but more
> >> testing never hurts. So I'd like to ask you to check the today's
> >> developer snapshot from http://cygwin.com/snapshots/ and copy the cyglsa
> >> DLL from the snapshot into /bin/cyglsa. Given that the DLL there isn't
> >> loaded, you should be able to overwrite it, like this:
> >>
> >> On a 32 bit OS:
> >>
> >> cp /bin/cyglsa.dll /bin/cyglsa/
> >>
> >> On a 64 bit OS:
> >>
> >> cp /bin/cyglsa64.dll /bin/cyglsa/
> >>
> >> Kep in mind that the x86 snapshots contains both DLLs, while the x86_64
> >> snapshot only contains the 64 bit DLL.
> >>
> >>> Thanks for a great product overall -
> >>
> >> Thanks to you for the report! The today's 32 and 64 bit snapshots
> >> should be uploaded in an hour at the latest.
> >
> > Snapshots are up.
> >
> Thanks again for responding so quickly. My quick test did not work, but perhaps I misunderstood.
> I did the following:
> - Set "passwd -R" to blank value
> - Download, but not install, http://cygwin.com/snapshots/x86/cygwin-inst-20130729.tar.bz2
> - Extract /bin/cyglsa*.dll from the snapshot, overwriting the existing files
> - cp /bin/cyglsa.dll /bin/cyglsa/, since this is a 32-bit OS
> - Do not reboot, or run cyglsa-config, or anything else
You *must* reboot. LSA only picks up the authentication package DLLs
at boot time. Sorry for missing that in my instruction.
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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