GetFem++ 4.1.1

[Konstantinos Poulios]

On Wed, Nov 17, 2010 at 9:13 AM, logari81 <logari81 at googlemail.com> wrote:
> On Tue, 2010-11-16 at 09:33 +0100, Konstantinos Poulios wrote:
>> On Mon, Nov 15, 2010 at 7:23 PM, Sylvestre Ledru <sylvestre at debian.org> wrote:
>> > Le lundi 15 novembre 2010 à 19:16 +0100, logari81 a écrit :
>> >> On Thu, 2010-11-04 at 15:33 +0100, Sylvestre Ledru wrote:
>> >> > Le vendredi 29 octobre 2010 à 14:47 +0200, logari81 a écrit :
>> >> > > Hi Sylvestre,
>> >> > >
>> >> > > I have uploaded some changes for the new version 4.1.1 of GetFem++.
>> >> > > Maybe this is a good time to add the Scilab support as well. So you can
>> >> > > enable it before committing my changes.
>> >> > I had a look and despite some minor problems, the Scilab support seems to be OK.
>> >> > Thanks for updating.
>> >> >
>> >> > > I had to add libatlas-base-dev to the build dependencies, otherwise the
>> >> > > current liblapack3gf wouldn't link.
>> >> > Hmm, that is unexpected. Can you give me the build log and the error  ?
>> >> >
>> >>
>> >> the configure script fails to run the test for the smumps_c function in
>> >> MUMPS. The linking of the test case needs libatlas-base-dev otherwise
>> >> fails with:
>> >>
>> >>
>> >> configure:20005: checking for library containing smumps_c
>> >> configure:20044: g++ -o conftest -g -O2 -O3 -Wall -W -fmessage-length=0
>> >> -ftemplate-depth-40 -pedantic -Wshadow -Wpointer-arith -Wcast-qual
>> >> -Wwrite-strings -Wconversio$
>> >> /tmp/ccO84gIo.o: In function `main':
>> >> /tmp/buildd/getfem++-4.1.1/conftest.cpp:55: undefined reference to
>> >> `smumps_c'
>> > Sorry but I don't see how it is related to atlas. In atlas source tree:
>> >
>> > $ grep -r smumps *|wc -l
>> > 0
>> >
>> > I think a library in missing in the check (probably -lmumps)
>>
>> no, I think this is not the case
>>
>> >
>> > Sylvestre
>> >
>>
>> hmm, the fact is that just adding libatlas-base-dev to the build deps
>> list makes the configure script work. The explanation is a bit more
>> complicated and I had to drop in a shell in the pbuilder in order to
>> understand it. As far as I remember I tried to compile myself in the
>> pbuilder shell the same conftest which fails in the configure script
>> in order to realize that the problem was related to the linking of
>> liblapack3gf. Anyway I will try later to create a minimal test case
>> free of any mumps stuff demonstrating the problem.
>>
>> BR
>>
>> Kostas
>
> Hi Sylvestre,
>
> I think I have finally fixed the problem more correctly. The configure
> checks that failed before where actually redundant so I removed them and
> I am going to push this change upstream as well.
>
> If you are interested in the problem which occurred during this tests,
> try the following:
> g++ helloworld.cpp -lsmumps -lblas
> this will fail if you don't have libatlas-base-dev with errors in the
> form:
> /usr/lib/atlas/liblapack.so.3gf: undefined reference to `ATL_*'
> but this is probably normal because the parallel version of mumps uses
> atlas.
>
> Best regards,
>
> Kostas
>
>

bump

btw, should we add the dependencies which are necessary for the
package libgetfem++-dev to be fully functional as mentioned in bug
596916?

Kostas