[Pw_forum] installation Error

[Paolo Giannozzi]

Hi

> You need another library 'fftw'. You can get the source files of 'fftw'
> from www.fftw.org. When you compile fftw, libfftw.a can be obtained in
> ($your fftw directory)/fftw/.lib/.

correct. Note that some Linux distributions (notably SuSe) may have
fftw available as "-ldfftw" (d = double precision version)

> You may need to change config.h to define fortran header file with two
> underscore function.

then you have to add one underscore to fftw function names
in CPPFLAGS (intel compiler adds one underscore)

To everybody: please keep message length under 40 Kb or so.

Paolo

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Paolo Giannozzi             e-mail:  giannozz at nest.sns.it
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