Yes, you must rebuild DOLFIN because the Python extension modules has not been built. When you run cmake for DOLFIN, please post the output here.
Johannes On Fri, Jun 20, 2014 at 10:52 AM, Sai Rajeshwar <[email protected]> wrote: > should i reinstall dolfin and try demos again.. also what could have gone > wrong that module common is not present in cpp directory > > with regards.. > > M. Sai Rajeswar > M-tech Computer Technology > IIT Delhi > ----------------------------------Cogito Ergo Sum--------- > > > On Wed, Jun 18, 2014 at 10:51 AM, Sai Rajeshwar <[email protected]> wrote: >> >> also my ..python/site-packages/cpp directory has following files >> >> __init__.py __init__.pyc >> >> thanks... >> >> >> >> with regards.. >> >> M. Sai Rajeswar >> M-tech Computer Technology >> IIT Delhi >> ----------------------------------Cogito Ergo Sum--------- >> >> >> On Wed, Jun 18, 2014 at 10:33 AM, Sai Rajeshwar <[email protected]> >> wrote: >>> >>> hello sir, >>> >>> Im running the dolfin demos.. when i came across following errors.. >>> for both python and cpp versions---------- thanks for your help in advance. >>> >>> -------------------------------- python >>> ------------------------------------------ >>> >>> login4$ python demo_poisson.py >>> >>> Traceback (most recent call last): >>> File "demo_poisson.py", line 37, in <module> >>> from dolfin import * >>> File >>> "/home1/03023/rajeswar/lib/python2.7/site-packages/dolfin/__init__.py", line >>> 16, in <module> >>> import cpp >>> File >>> "/home1/03023/rajeswar/lib/python2.7/site-packages/dolfin/cpp/__init__.py", >>> line 42, in <module> >>> exec("import %s" % module_name) >>> File "<string>", line 1, in <module> >>> ImportError: No module named common >>> >>> >>> --------------------------------cpp-------------------------------------------------- >>> login4$ make >>> >>> Scanning dependencies of target demo_poisson >>> [100%] Building CXX object CMakeFiles/demo_poisson.dir/main.cpp.o >>> Linking CXX executable demo_poisson >>> /home1/03023/rajeswar/lib/libdolfin.so: undefined reference to >>> `__gmpn_sqr' >>> collect2: ld returned 1 exit status >>> make[2]: *** [demo_poisson] Error 1 >>> make[1]: *** [CMakeFiles/demo_poisson.dir/all] Error 2 >>> make: *** [all] Error 2 >>> >>> >>> >>> with regards.. >>> >>> M. Sai Rajeswar >>> M-tech Computer Technology >>> IIT Delhi >>> ----------------------------------Cogito Ergo Sum--------- >> >> > _______________________________________________ fenics-support mailing list [email protected] http://fenicsproject.org/mailman/listinfo/fenics-support
