On Fri, Feb 26, 2010 at 12:50 PM, Charles R Harris <charlesr.har...@gmail.com> wrote: > > > On Fri, Feb 26, 2010 at 10:44 AM, <josef.p...@gmail.com> wrote: >> >> On Fri, Feb 26, 2010 at 12:41 PM, Charles R Harris >> <charlesr.har...@gmail.com> wrote: >> > >> > >> > On Fri, Feb 26, 2010 at 10:34 AM, Pauli Virtanen <p...@iki.fi> wrote: >> >> >> >> pe, 2010-02-26 kello 12:26 -0500, josef.p...@gmail.com kirjoitti: >> >> [clip] >> >> > recompiling wouldn't be enough, the cython c files also need to be >> >> > regenerated for a different numpy version. >> >> > (If I understand the problem correctly.) >> >> >> >> No. The Cython-generated sources just use sizeof(PyArray_Descr), the >> >> value is not hardcoded, so it's a compile-time issue. >> > >> > So Ralf need to be sure that scipy was compiled against, say, numpy1.3. >> >> I think I mixed up some things then, >> scipy 0.7.1 cython files should be regenerated with the latest cython >> release so that it doesn't check the sizeof anymore. >> Then, a scipy 0.7.1 build against numpy 1.3 would also work without >> recompiling against numpy 1.4.1 >> >> Is this correct? >> > > Yes, but the aim of 1.4.1 is that it should work with the existing binaries > of scipy, i.e., it should be backward compatible with no changes in dtype > sizes and such so that even files generated with the old cython shouldn't > cause problems.
We had this discussion but David said that this is impossible, binary compatibility doesn't remove the (old) cython problem. Josef > > Chuck > > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > http://mail.scipy.org/mailman/listinfo/numpy-discussion > > _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
