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Subject:	Re: cyglsa-config not working properly in cygwin 1.7.22
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From:	"J. P. Abelanet" <jp AT basissw DOT com>
In-Reply-To:	<20130729202238.GA23199@calimero.vinschen.de>
Date:	Mon, 29 Jul 2013 15:45:33 -0500
CC:	"J. P. Abelanet" <jp AT basissw DOT com>
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On Jul 29, 2013, at 3:22 PM, Corinna Vinschen wrote:

> On Jul 29 14:53, J. P. Abelanet wrote:
>>=20
>> On Jul 29, 2013, at 2:26 PM, Corinna Vinschen wrote:
>>=20
>>>>=20
>>>> 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 bas=
ed
>>>> on the fact that it is the first function in the source code.
>>>>=20
>>>> However, the new compiler reorders function by default with -O2
>>>> optimization.  So the entry point was not at the start of the executab=
le
>>>> 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.
>>>>=20
>>>> 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 cygl=
sa
>>>> DLL from the snapshot into /bin/cyglsa.  Given that the DLL there isn't
>>>> loaded, you should be able to overwrite it, like this:
>>>>=20
>>>> On a 32 bit OS:
>>>>=20
>>>> cp /bin/cyglsa.dll /bin/cyglsa/
>>>>=20
>>>> On a 64 bit OS:
>>>>=20
>>>> cp /bin/cyglsa64.dll /bin/cyglsa/
>>>>=20
>>>> Kep in mind that the x86 snapshots contains both DLLs, while the x86_64
>>>> snapshot only contains the 64 bit DLL.
>>>>=20
>>>>> Thanks for a great product overall -
>>>>=20
>>>> Thanks to you for the report!  The today's 32 and 64 bit snapshots
>>>> should be uploaded in an hour at the latest.
>>>=20
>>> Snapshots are up.
>>>=20
>> 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 f=
iles
>> - cp /bin/cyglsa.dll /bin/cyglsa/, since this is a 32-bit OS
>> - Do not reboot, or run cyglsa-config, or anything else
>=20
> You *must* reboot.  LSA only picks up the authentication package DLLs=20
> at boot time.  Sorry for missing that in my instruction.
That fixed it!!!  Thanks again for the quick response.

I'll upgrade to 1.7.23 when it becomes available.

J. P. Abelanet=

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