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Date:	Mon, 29 Jul 2013 22:22:38 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: cyglsa-config not working properly in cygwin 1.7.22
Message-ID:	<20130729202238.GA23199@calimero.vinschen.de>
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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>
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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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