Might this be a symbol visibility problem? Niall
On 10 Jun 2011 at 14:16, Jérôme Laheurte wrote: > On 06/07/2011 09:59 AM, Lars Viklund wrote: > > > On Tue, Jun 07, 2011 at 09:40:25AM +0200, Jérôme Laheurte wrote: > >> Hello. I already asked this on StackOverflow but it doesn't seem to > >> inspire many people. I managed to reduce my problem to a trivial > >> extension module: > > > >> On Windows XP SP3, if I build Boost 1.46.1 and then this extension with > >> GCC 3.4.5 from an older version of Mingw, everything behaves as expected: > > > >> Now if I rebuild both Boost and the module using a newer Mingw, with GCC > >> 4.5.2, this happens: > > > >> Any hint would be greatly appreciated. > > > > Typically, you need to use the same major flavor of toolchain to build > > Boost.Python and your extension as was used to build your Python. > > > > If the runtimes (and exception handling) differ, you'll get ODR > > violations on things like FILE* and error handling. > > > > What you're observing there is probably console output crashing when an > > error is printed. If the runtimes have different ideas of what > > constitutes a FILE* (which output is done through), you blow up good. > > This also includes using static runtimes to some extent. > > Alas, this does not seem to be the case. I managed to rebuild Python > with GCC 4.5 after some minor modifications of the interpreter code, > then rebuilt boost and my extension. The same thing happens (except that > the call stack is more detailed since the "upper" layers now have GCC > debugging symbols). > > Besides, if I replace throw_error_already_set() by PyErr_Print(), the > message is properly displayed; and on the other hand in my actual use > case, it works with some methods. > > Still lost... > _______________________________________________ > Cplusplus-sig mailing list > Cplusplus-sig@python.org > http://mail.python.org/mailman/listinfo/cplusplus-sig -- Technology & Consulting Services - ned Productions Limited. http://www.nedproductions.biz/. VAT reg: IE 9708311Q. Company no: 472909. _______________________________________________ Cplusplus-sig mailing list Cplusplus-sig@python.org http://mail.python.org/mailman/listinfo/cplusplus-sig
