dolfin team mailing list archive

[Ola Skavhaug <skavhaug@xxxxxxxxx>]

Johannes Ring skrev den 18/08-2008 følgende:
> On Mon, August 18, 2008 13:52, Anders Logg wrote:
> > On Mon, Aug 18, 2008 at 01:33:25PM +0200, Johannes Ring wrote:
> >> On Mon, August 18, 2008 13:25, Anders Logg wrote:
> >> > On Mon, Aug 18, 2008 at 01:18:04PM +0200, Dag Lindbo wrote:
> >> >>
> >> >>
> >> >> Ilmar Wilbers wrote:
> >> >> > Hi,
> >> >> >
> >> >> > No, I will need to install the MTL4 backend manually on all the
> >> build
> >> >> > slaves. The build slaves run on different machines, setting a path
> >> for
> >> >> > only the fenics server wouldn't be sufficient.
> >> >>
> >> >> I was suggesting that the MTL4 path could be relative to the dolfin
> >> >> source, i.e. ./sandbox/mtl_src/boost/numeric/mtl4. But if you could
> >> >> install as usual, that would be better.
> >> >>
> >> >> >
> >> >> > If you send me the instructions, I will be happy to do so!
> >> >>
> >> >> It simple:
> >> >>
> >> >> svn co https://svn.osl.iu.edu/tlc/trunk/mtl4/trunk mtl4
> >> >>
> >> >> I would put everything from mtl4/boost in a system-wide directory,
> >> e.g.
> >> >> next to uBLAS in /usr/local/include/boost
> >> >>
> >> >> Again, there is nothing to build and install. Just add -DHAS_MTL4 to
> >> the
> >> >> CFLAGS and add any non-standard include path
> >> >>
> >> >> /Dag
> >> >
> >> > Can we add a test for MTL4 that sets the HAS_MTL4 flag as for the
> >> > other backends?
> >>
> >> Yes, I will create a pkg-config generator for MTL4 as well.
> >>
> >> Johannes
> >
> > Nice!
> 
> The MTL4 pkg-config generator is finished, but I have some problems with
> the Python demos. All of them are failing with the error below. Any ideas?
> 
> Johannes
> 
It looks like there's something wrong going on during the construction of the
shared library, since this symbol should be defined in the MTL4Matrix source
file. Try cleaning and rebuilding:

scons -c
scons install

Ola


> Traceback (most recent call last):
>   File "demo.py", line 21, in <module>
>     from dolfin import *
>   File
> "/home/johannr/src/hg/dolfin/local/lib/python2.5/site-packages/dolfin/__init__.py",
> line 13, in <module>
>     from assemble import *
>   File
> "/home/johannr/src/hg/dolfin/local/lib/python2.5/site-packages/dolfin/assemble.py",
> line 22, in <module>
>     from dolfin import *
>   File
> "/home/johannr/src/hg/dolfin/local/lib/python2.5/site-packages/dolfin/dolfin.py",
> line 7, in <module>
>     import _dolfin
> ImportError:
> /home/johannr/src/hg/dolfin/local/lib/python2.5/site-packages/dolfin/_dolfin.so:
> undefined symbol: _ZNK6dolfin10MTL4Matrix18assert_no_inserterEv
> 
> 
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