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Subject: Re: [ANNOUNCEMENT] Updated: lapack-3.7.0-1
To: cygwin AT cygwin DOT com
References: <announce DOT 25bca4c4-20b6-8b6d-5ba4-7f8bf6e700ff AT gmail DOT com> <CAOTD34YbV+o5X=Qhah+84au0fPtySq406p=B6f4qz30EpMak_Q AT mail DOT gmail DOT com>
From: Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID: <a30b0ac1-aea9-b6f4-df46-b99026e3e3a0@gmail.com>
Date: Wed, 26 Apr 2017 11:20:39 +0200
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On 25/04/2017 18:43, Erik Bray wrote:
> On Wed, Jan 11, 2017 at 9:41 AM, Marco Atzeri wrote:
>> To:
>> Subject: Updated: lapack-3.7.0-1
>>
>> New versions  lapack-3.7.0-1 of
>>
>> lapack (source)
>> liblapack0
>> liblapack-devel
>> liblapack-doc
>>
>> are available in the Cygwin distribution, 32 and 64 bit :
>>

>
> Hi Marco,
>
> I think there might (?) be a problem with this version of this
> package, or specifically the liblapack0-devel (since it includes
> liblapack.dll.a import library).
>
> The import library references "cyglapack.dll" as the DLL name.
> However, it actually should be "cyglapack-0.dll".  So software (such
> as Numpy) that linked with lapack using the import library is broken.
>
> Thanks,
> Erik
>

are you sure ?
I had no problem linking octave to cyglapack-0.dll

$ cygcheck  /usr/bin/cygoctave-4.dll |grep lapack
     E:\cygwin64\lib\lapack\cyglapack-0.dll

looking at
  objdump -x  /usr/lib/liblapack.dll.a |grep cyglapack |

I see only refence to cyglapack_0_dll

May be you installed another /usr/lib/liblapack.dll.a ?

on 64 bit
$ /usr/bin/ls -l  /usr/lib/liblapack.dll.a
-rwxr-xr-x 1 marco None 1077988 Jan 10 22:55 /usr/lib/liblapack.dll.a

on 32bit
  $  /usr/bin/ls -l  /usr/lib/liblapack.dll.a
-rwxr-xr-x 1 marco None 1106656 Jan 11 07:08 /usr/lib/liblapack.dll.a


Regards
Marco






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