[ESPResSo-devel] [bug #43372] GPU-P3M build fails without CPU-fftw

[Axel Arnold]

URL:
  <http://savannah.nongnu.org/bugs/?43372>

                 Summary: GPU-P3M build fails without CPU-fftw
                 Project: ESPResSo
            Submitted by: arnolda
            Submitted on: Tue 07 Oct 2014 01:47:55 PM GMT
                Category: Simulation core
                Severity: 3 - Normal
                  Status: Confirmed
             Assigned to: fweik
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 3.3.0
           Fixed Release: None

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Details:

As GPU-P3M shares some data structures and the initialization routine with
P3M, it cannot be build without the CPU-P3M. However, the latter is disabled
if fftw is not found.

In fact, the problem is even more, that currently switching on the GPU-P3M
will also allocate the fft-structures for the CPU-P3M, which are part of the
currently shared data structure. Therefore, the data structures need to be
more clearly separated.




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