Re: [Getfem-users] compilation and computation issues

[Konstantinos Poulios]

On Wed, Feb 16, 2011 at 12:38 AM, Martin Genet <address@hidden> wrote:
> Hi Kostas,
>
> Many thank for your prompt and effective support.
>
>> first of all I would like to ask you what is the reason for compiling
>> getfem yourself instead of using the deb packages from debian repos? I
>> suppose you want to enable parallelization which is not included in the
>> deb packages, right?
>
> Well, I have to recognize that I simply followed the instructions on
> http://download.gna.org/getfem/html/homepage/userdoc/install.html which does
> not mention the debian repos. Is there a more detailed page about GetFEM++
> installation?
>
> Anyway, I will definitely need the parallelization, so... :)
>
>> The configure flags used for the creation of deb packages are the
>> following:
>>
>> configure_flags= $(CROSS) --prefix=/usr \
>>                --enable-boost --enable-shared --with-pic \
>>                --enable-python --enable-muparser \
>>                --disable-matlab --disable-superlu \
>>                --with-mumps="-lsmumps_seq -ldmumps_seq -lcmumps_seq
>> -lzmumps_seq
>> -lpord_seq"
>>
>> This may help you.
>
> Sadly, '''./configure --with-pic --enable-mumps --with-mumps="-lsmumps_seq
> -ldmumps_seq -lcmumps_seq -lzmumps_seq -lpord_seq"''' leads to the same
> error: '''configure: error: The function smumps_c couldn't be found in the
> provided MUMPS libraries.'''...
>
>> Regarding the problem with mumps, I would like to ask you which version
>> of getfem are you trying to compile?
>
> 4.1.1
>
>>  After the last release I think I
>> have made changes in the configure script, removing some redundant mumps
>> checks. Could you try the latest version from the svn repository?
>
> Sure.
>
> [...]
>
> Arf, same error, sorry.
>

you need to install mumps headers, for Ubuntu these are in the package
libmumps-seq-dev and libmumps-dev for the sequential and the parallel
version respectively. The configure flags that I have given you,
correspond to  the sequential version.

>> With respect to the compilation of your code, you need to specify the
>> compilation/linking flag -lgetfem and possibly something like
>> -I/.....include..getfem..headers..path
>
> OK. I think I succeed in compiling (g++ -I./getfem -I./getfem/src
> -I/usr/local/include -DGMM_USES_BLAS -DGMM_USES_LAPACK -O3 -c -o $(src).o
> $(src).cc). But not in linking (g++ -l./getfem/src/libs/libgetfem.a
> -rdynamic -lsmumps -ldmumps -lcmumps -lzmumps -lmuparser -lm -lblas -llapack
> -o $(src).o $(src)). Any idea?
>
> Thanks again,
> Martin.
>
>

Regards

Kostas