[Users] fftw and MKL

[Yosef Zlochower]

Hi,
   I got bitten by an issue regarding the link order. I use  fftw3 for a 
series of transforms of a type not supported by the MKL fftw wrapper 
(r2r transforms). I have FFTW3 either built, or use a prebuilt version. 
The issue comes up if mkl precedes fftw3 on the link line. If it does, 
then rather than using fftw functions, mkl functions are used instead 
(and these always fail).

See r2r transforms here:
https://software.intel.com/en-us/mkl-developer-reference-c-using-fftw3-wrappers

Since MKL does not support the functions I need, is there a way to force 
-mkl to always occur only after -lfftw3 on the link line?



-- 
Dr. Yosef Zlochower
Center for Computational Relativity and Gravitation
Associate Professor
School of Mathematical Sciences
Rochester Institute of Technology
85 Lomb Memorial Drive
Rochester, NY 14623

Office:74-2067
Phone: +1 585-475-6103

yosef at astro.rit.edu

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