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From: Csaba Raduly <rcsaba AT gmail DOT com>
Date: Sat, 18 Nov 2017 18:55:58 +0100
Message-ID: <CAEhDDbAb-2nBvi-7t7aN=9-dFoAEm1=p21-nabyOfZXyEr+dcg@mail.gmail.com>
Subject: Re: undefined reference to LAPACKE_***
To: cygwin list <cygwin AT cygwin DOT com>
Content-Type: text/plain; charset="UTF-8"

Hi Constantinos,

On Sat, Nov 18, 2017 at 5:24 PM, Constantinos Zekios wrote:
> Hello everybody!
>
>  I recently installed cygwin trying to compile my cpp code (it is build
> under linux) under windows. I am using LAPACKE (the c wrapper to run all the
> lapack libraries) in my code, but it seems that I am not able to install the
> packages in cygwin. I have installed lapack, as well as blas. Does anybody
> know how to install liblapacke.a, liblapacke.dll.a?
>
> The errors that I am getting are of the form: undefined reference to
> 'LAPACKE_zlange'.

That sounds like the linker complaining about not finding a symbol,
*not* about a missing library file. If that's the case, installing
libraries will not help you. Just as well, because there's no Cygwin
package containing liblapacke.a :
https://cygwin.com/cgi-bin2/package-grep.cgi?grep=liblapacke&arch=x86_64
(Found 0 matches for liblapacke)

What was the linker invocation (command line) that generated the error message?

Csaba
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