[Pw_forum] QE-GPU: compilation error with Espresso 5.1

[Axel Kohlmeyer]

On Wed, Sep 10, 2014 at 9:35 AM, Filippo Spiga <spiga.filippo at gmail.com> wrote:
> Dear Mauro,
>
> On Sep 8, 2014, at 9:47 AM, Mauro Sgroi <maurofrancesco.sgroi at gmail.com> wrote:
>> I'm using now gcc 4.4 wih the internal blas/lapack libraries, just to reduce the complexity of the problem.
>
> Bus still, Intel MKL will give you best performance. It is worth the complexity, give it a try!
>
>
>> I modified GPU/install/make_phiGEMM.inc to link with -lgfortran to solve some undefined reference errors.
>> But now the compilation stops with an undefined reference to `main'.
>
> uhm I will look at this, I do not see any problem on my local machine but I will double-check again.

that would happen, if gcc is used as linker instead of gfortran (which
would also explain the need of adding -lgfortran)

axel.


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-- 
Dr. Axel Kohlmeyer  akohlmey at gmail.com  http://goo.gl/1wk0
College of Science & Technology, Temple University, Philadelphia PA, USA
International Centre for Theoretical Physics, Trieste. Italy.