On Thu, Jun 2, 2011 at 14:07, Ralf Gommers <[email protected]> wrote: > > On Wed, Jun 1, 2011 at 5:45 PM, martin smith <[email protected]> wrote: >> >> I have a bit of code that performs multi-taper power spectra using numpy >> and a C extension module. The C portion consists of an interface file >> and a python-unaware computational file. The latter invokes fftpack. >> >> The straightforward setup.py appended below works fine on Linux. On >> Windows using MinGW it's not so good. I first created a libpython27.a >> file following instructions on the web. The C code now compiles but >> fails to link since there is no fftpack_lite.so on Windows. I can't >> find an fftpack_lite.dll (or even the source for fftpack_lite) and don't >> know where to turn. > > Python dll's on Windows have a .pyd extension, there should be a > fftpack_lite.pyd file. But you should be able to just leave off the > extension, so it does the right thing on any platform. > > Also, the way you specified library_dirs doesn't work if numpy is not in > site-packages, better to use something like: > library_dirs = [os.path.join(numpy.__path__[0], 'fft')]
That said, there is no good cross-platform way to link against other Python extension modules. Please do not try. You will have to include a copy of the FFTPACK code in your own extension module. -- Robert Kern "I have come to believe that the whole world is an enigma, a harmless enigma that is made terrible by our own mad attempt to interpret it as though it had an underlying truth." -- Umberto Eco _______________________________________________ NumPy-Discussion mailing list [email protected] http://mail.scipy.org/mailman/listinfo/numpy-discussion
