Justin wrote:
Does anyone has rfftw.h? It should be in /usr/include/ ...
Does any package need it? I don't have that file and nothing ever
complained, as far as I remember. After all, drfftw.h or srfftw.h can
allways be included specifically.
That said, the symlik belongs -- or rather should belong -- to fftw2,
fftw3 does not structure its headers that way; I have installed both
sci-libs/fftw-2.1.5-r3 and sci-libs/fftw-3.1.2, bud qdepends -Q says
nothing depends on the 2 series version (that may be why nothing
complained), and only sci-mathematics/octave-3.0.0 on the 3 series one.
From fftw-2.1.5-r3.ebuild:
if use float; then
for f in "${D}"/usr/{include,$(get_libdir)}/*sfft*; do
ln -s $(basename ${f}) ${f/sfft/fft}
done
else
for f in "${D}"/usr/{include,$(get_libdir)}/*dfft*; do
ln -s $(basename ${f}) ${f/dfft/fft}
done
fi
That code does not create the rfftw.h symlink, but looks like it
actually was intended to do so and the omission is an ebuild error.
Definitely if float is in USE, srfftw.h should be linked, otherwise
drfftw.h. And of course it is you in the end who should decide if you
want single or double precision variant to be used by default.
With best regards
Honza Macháček
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