This package was not setting FFTW when +mklfft was used with +cuda.
Since both were set to 'True', the default build was not linked to
any FFTW, leading to a run time error. It seems MKL support was
conflated with alternative CPU acceleration support. This PR does the
following:
- adds the altcpu variant to specify non-GPU/CPU acceleration
- sets a conflict between +altcpu and +cuda
- sets an FFTW implementation
- sets fltk+xft when +gui to get a decent looking GUI interface
- sets tbb dependency only when +altcpu
- adds dependency on ctffind
- adds variant and dependency on motioncor2
- sets defaults for
- qsub template location
- ctffind location
- motioncor2 location
Co-authored-by: Massimiliano Culpo <massimiliano.culpo@gmail.com>
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