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[Numpy-discussion] numpy/f2py module import segfault on HP-UX11.11
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From: Christophe-Blondeau <Chr...@on...> - 2006-08-31 14:43:51
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Hi everybody<br> <br> I've succesfully built Numpy-1.0b4 on HP-UX 11.11 with<br> all tests passed succesfully (gcc 4.1.1) on Python 2.4.2<br> <br> I try to import 2 basic Fortran modules compiled with numpy/f2py<br> (fcompiler = gfortran (gcc 4.1.1))<br> <br> The modules hello1 and hello2 are almost identical:<br> <br> C File hello1.f<br> subroutine foo1 (a)<br> integer a<br> print*, "Hello from Fortran(foo1)!"<br> print*, "a=",a<br> end<br> <br> C File hello2.f<br> subroutine foo2 (a)<br> integer a<br> print*, "Hello from Fortran(foo2)!"<br> print*, "a=",a<br> end<br> <br> Then run: python -c 'import hello1; import hello2' which<br> ends with a beautifull segfault !<br> I also tried the old f2py version (based on Numeric) and everything <br> goes well<br> Note that the importation of only ONE f2py module is OK.<br> <br> Investigating a little bit further, I deleted the call to import_array()<br> in "hello1module.c" and "hello2module.c" and the segfault dissapear ...<br> It turns out that something goes wrong this the importation of "numpy.core.multiarray"<br> on my system.<br> The same thing happends if I import multiarray by hand in the Python session:<br> >>> import numpy.core.multiarray<br> >>> import hello1 (with import_array() deleted)<br> >>> import hello2 (with import_array() deleted)<br> ---> segfault<br> <br> Unfortunately thats prevents me from using Scipy because modules based on Fortran<br> and compiled with numpy/f2py during the building phase also segfault.<br> <br> If anyone has some help, I will greatly appreciate<br> Thanks<br> Christophe<br> <br> <div class="moz-signature">-- <br> <meta content="text/html;" http-equiv="Content-Type"> <title></title> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type"> <title></title> <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1"> <br> </div> </body> </html> |
