Re: [AMBER] More ... problems in compilation: fftw3a | Case2 - Using intel

From: David A Case <>
Date: Tue, 15 Oct 2019 08:05:12 -0400

On Mon, Oct 14, 2019, Margarita I. Bernal-Uruchurtu wrote:

If you use two different compilers, you can sometimes have problems with
having the previous version of a library (say, compiled with GNU) that
interferes with the current compiler.

Your intel config file indicates that MKL is not being used. I rather
thought that MKL was the default with modern Intel builds, but perhaps
others on the list can chime in about this.

>However, when I looked for the libfftw3.a I found that it's date is not the
>current date, albeit, getting this message during the configuration step:
>Configuring fftw-3.3 (may be time-consuming)...
> fftw-3.3 configure succeeded.

Try starting over with a clean directory (especially being sure there
are no lib/libfftw3* files.)
>And, of course, using nm lib/libfftw3.a | grep fftw_execute_dft_r2c
>returns "File format not recognized" for all the elements.

Somehow you have a corrupted libfftw3.a file. Be sure (as noted above)
to get rid of that.

...good luck....dac

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Received on Tue Oct 15 2019 - 05:30:02 PDT
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