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Re: [Getfem-users] Error with the python interface

From: Konstantinos Poulios
Subject: Re: [Getfem-users] Error with the python interface
Date: Mon, 23 Jan 2017 09:06:54 +0100

Dear David

Could you please send us your config.log file after you get the errors with "checking for library containing smumps_c... no"?

Best regards

On Mon, Jan 23, 2017 at 9:02 AM, Yves Renard <address@hidden> wrote:

Dear David,

The detection of the configure file is probably wrong (the search of smumps_c ...) may be the names have to be adapted in for Mac ...
Unfortunately, I have no Mac to test it.


Le 23/01/2017 à 00:27, David Danan a écrit :
Dear Yves,

i checked, unfortunately i had installed the sequential version...The issue lies somewhere else.

I went back to the square one just to be sure and it seems that, even though mumps is found with the ./configure, i obtained the following result

checking for library containing smumps_c... no
checking for library containing dmumps_c... no
checking for library containing cmumps_c... no
checking for library containing zmumps_c... no
checking smumps_c.h usability... yes
checking smumps_c.h presence... yes
checking for smumps_c.h... yes
checking dmumps_c.h usability... yes
checking dmumps_c.h presence... yes
checking for dmumps_c.h... yes
checking cmumps_c.h usability... yes
checking cmumps_c.h presence... yes
checking for cmumps_c.h... yes
checking zmumps_c.h usability... yes
checking zmumps_c.h presence... yes
checking for zmumps_c.h... yes

Quite strange. Do you have any idea that may explain this behavior?

Thanks in advance,

-----E-mail d'origine-----
De : Yves Renard <address@hidden>
A: David Danan <address@hidden>
Cc: getfem-users <address@hidden>
Envoyé le : Sa, 21 Jan 2017 17:00
Sujet : Re: [Getfem-users] Error with the python interface

Dear David,

libsmumps_seq is the sequential Mumps library. May be you installed the parallel one (libsmumps). Please check.


----- Original Message -----
From: "David Danan" <address@hidden>
To: "getfem-users" <getfem-address@hidden>
Sent: Saturday, January 21, 2017 3:48:56 PM
Subject: Re: [Getfem-users] Error with the python interface

Dear Getfem users,

beside the interface problem, i noticed that there is another issue. When i compile the test case, for instance, i get the following error message

ld: library not found for -lsmumps_seq

And since i am on Mac, i didn't find how to obtain the missing library (as recommended on the Getfem download page, i used brew to download mumps but that's it). Is there anyone who had a similar problem on Mac?

Thank you in advance,

-----E-mail d'origine-----
De : David Danan <address@hidden>
A: getfem-users <getfem-address@hidden>
Envoyé le : Ma, 17 Jan 2017 17:44
Sujet : Error with the python interface

Dear Getfem users,

I have just installed Getfem on a mac but i have trouble with the python interface.
The compilation process occur ed without major issue, but when importing python in a demo example , I get the following error

Traceback (most recent call last):
File "", line 30, in <module>
import getfem as gf
File "/usr/local/lib/python2.7/site-packages/getfem/", line 16, in <module>
from getfem import *
File "/usr/local/lib/python2.7/site-packages/getfem/", line 44, in <module>
from _getfem import *
ImportError: dlopen(/usr/local/lib/python2.7/site-packages/getfem/, 2): Symbol not found: __ZNSt12bad_weak_ptrD1Ev
Referenced from: /usr/local/lib/python2.7/site-packages/getfem/
Expected in: flat namespace
in /usr/local/lib/python2.7/site-packages/getfem/

I had this issue with the options "-enable-python=yes --with-pic" for configure.

Do you have any clue about the cause of the problem ?

Thank you in advance,

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  Yves Renard (address@hidden)       tel : (33)
  Pole de Mathematiques, INSA-Lyon             fax : (33)
  20, rue Albert Einstein
  69621 Villeurbanne Cedex, FRANCE


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