On Tue, Oct 6, 2009 at 11:14 AM, David Cournapeau <courn...@gmail.com>wrote:
> On Wed, Oct 7, 2009 at 2:04 AM, Charles R Harris > <charlesr.har...@gmail.com> wrote: > > > > > > On Tue, Oct 6, 2009 at 10:50 AM, David Cournapeau <courn...@gmail.com> > > wrote: > >> > >> On Wed, Oct 7, 2009 at 1:36 AM, Charles R Harris > >> <charlesr.har...@gmail.com> wrote: > >> > > >> > > >> > 2009/10/6 Stéfan van der Walt <ste...@sun.ac.za> > >> >> > >> >> Hi all, > >> >> > >> >> The current SVN HEAD of NumPy is broken and should not be used. > >> >> Extensions compiled against this version may (will) segfault. > >> >> > >> > > >> > Can you be more specific? I haven't had any problems running current > svn > >> > with scipy. > >> > >> The version itself is fine, but the ABI has been changed in an > >> incompatible way: if you have an extension built against say numpy > >> 1.2.1, and then use a numpy built from sources after the datetime > >> merge, it will segfault right away. It does so for scipy and several > >> custom extensions. The abi breakage was found to be the datetime > >> merge. > >> > > > > Ah... That's a fine kettle of fish. Any idea what ABI calls are causing > the > > problem? Maybe the dtype change wasn't made in a compatible way. IIRC, > > something was added to the dtype? > > Yes, but that should not cause trouble. Adding members to structure > should be fine. > > I quickly look at the diff, and some changes in the code generators > look suspicious, e.g.: > > types = ['Generic','Number','Integer','SignedInteger','UnsignedInteger', > - 'Inexact', > + 'Inexact', 'TimeInteger', > 'Floating', 'ComplexFloating', 'Flexible', 'Character', > 'Byte','Short','Int', 'Long', 'LongLong', 'UByte', 'UShort', > 'UInt', 'ULong', 'ULongLong', 'Float', 'Double', 'LongDouble', > 'CFloat', 'CDouble', 'CLongDouble', 'Object', 'String', 'Unicode', > - 'Void'] > + 'Void', 'Datetime', 'Timedelta'] > > As the list is used to initialize some values from the API function > pointer array, inserts should be avoided. You can see the consequence > on the generated files, e.g. part of __multiarray_api.h diff between > datetimemerge and just before: > > Looks like a clue ;) <snip> Chuck
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