GetFem++ 4.1.1

Konstantinos Poulios logari81 at
Tue Nov 16 08:33:46 UTC 2010

On Mon, Nov 15, 2010 at 7:23 PM, Sylvestre Ledru <sylvestre at> 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.



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