dolfin team mailing list archive

["Johannes Ring" <johannr@xxxxxxxxx>]

On Tue, July 29, 2008 10:18, Ilmar Wilbers wrote:
> Are there any C++ experts that can highlight this problem? The order of
> the arguments and the filename given to the compiler, that is? It would
> be simple enough to change the order to fix this, but I'm always curious
> as to why something like that would work.

I have no idea what the problem might be, but I changed the order of the
arguments and the filename now.

Johannes

> Ilmar Wilbers wrote:
>> OK, I'm sorry for spamming, but I'm getting a bit frustrated, I think it
>> is time to go home.
>>
>> But could someone please explain me this:
>> Running python
>> scons/simula-scons/simula_scons/pkgconfiggenerators/umfpack.py results
>> in
>> the following commands being run:
>> g++ -I../../SuiteSparse/UMFPACK/Include -I../../SuiteSparse/AMD/Include
>> -I../../SuiteSparse/UFconfig umfpack_config_test_include.cpp
>> -L/usr/lib/atlas -lblas -L../../SuiteSparse/UMFPACK/Lib -lumfpack
>> -L../../SuiteSparse/AMD/Lib -lamd
>> g++ -I../../SuiteSparse/UMFPACK/Include -I../../SuiteSparse/AMD/Include
>> -I../../SuiteSparse/UFconfig -c umfpack_config_test_lib.cpp
>> g++ -L/usr/lib/atlas -lblas -L../../SuiteSparse/UMFPACK/Lib -lumfpack
>> -L../../SuiteSparse/AMD/Lib -lamd umfpack_config_test_lib.o
>>
>> The first two are always successfull, whereas the last ones causes the
>> linking error. But when writing:
>> g++ umfpack_config_test_lib.o -L/usr/lib/atlas -lblas
>> -L../../SuiteSparse/UMFPACK/Lib -lumfpack -L../../SuiteSparse/AMD/Lib
>> -lamd
>> instead of
>> g++ -L/usr/lib/atlas -lblas -L../../SuiteSparse/UMFPACK/Lib -lumfpack
>> -L../../SuiteSparse/AMD/Lib -lamd umfpack_config_test_lib.o
>> that is, moving umfpack_config_test_lib.o directly after g++, it works.
>>
>> Could someone please explain this to me?
>>
>> ilmar
>>
>>
>>
>>> i get the exact same error when using the umfpack i downloaded
>>> manually... i don't get it.
>>>
>>> ilmar
>>>
>>> Ilmar Wilbers wrote:
>>>
>>>> it seems the problem has been there earlier. it is always good fun
>>>> when
>>>> you are googling for a solution and it points back to the dolfin-dev
>>>> mailinglist
>>>> http://www.mail-archive.com/dolfin-dev@xxxxxxxxxx/msg02297.html
>>>>
>>>> i tried johannes' suggestion, but i still get the linking error
>>>>
>>>> ilmar
>>>>
>>>> Ilmar Wilbers wrote:
>>>>
>>>>
>>>>> well, i am currently updating
>>>>> http://www.fenics.org/wiki/A_detailed_guide_to_installing_DOLFIN
>>>>> it is for older systems, or systems without package managers. i have
>>>>> had
>>>>> some questions from people who use some linux distros that are not
>>>>> quite
>>>>> as common.
>>>>>
>>>>> here, the umfpack from petsc is used.
>>>>>
>>>>> ilmar
>>>>>
>>>>> Garth N. Wells wrote:
>>>>>
>>>>>
>>>>>
>>>>>> Ilmar Wilbers wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>> I cannot figure this one out. To me, it seems that petsc doesn't
>>>>>>> build
>>>>>>> umfpack so that we can use it with dolfin. I am trying to update
>>>>>>> the
>>>>>>> wiki
>>>>>>> with the detailed instructions. The nice feature of using the
>>>>>>> umfpack
>>>>>>> that
>>>>>>> comoes with petsc is that one doesn't need to download and
>>>>>>> configure/
>>>>>>> make
>>>>>>> three different packages (umfpack/ amd/ ufconfig).
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> But UMFPACK comes as a package for all mainstream Linux
>>>>>> distributions
>>>>>> and for OSX through fink, so why do you want to build it?
>>>>>>
>>>>>> A more worthwhile pursuit would be getting PETSc to use the
>>>>>> installed
>>>>>> UMFPACK. I had a quick go at this, but didn't pursue it.
>>>>>>
>>>>>> Garth
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> Will leave this untill someone can tell we what I am doing wrong.
>>>>>>>
>>>>>>> ilmar
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>> I am trying to use the umfpack that came with petssc. Petsc is
>>>>>>>> configured
>>>>>>>> as follows:
>>>>>>>> ./config/configure.py --with-mpi-dir=$INSTALL_PATH
>>>>>>>> --with-clanguage=cxx
>>>>>>>> --download-hypre=yes --enable-hypre=1 --download-umfpack=yes
>>>>>>>> --enable-umfpack=1 --enable-shared=1
>>>>>>>>
>>>>>>>> What options do I need to give to scons? I tried setting the
>>>>>>>> variable
>>>>>>>> UMFPACK_DIR to
>>>>>>>> $PETSC_DIR/externalpackages/UMFPACKv4.3/linux-gnu-cxx-debug/UMFPACK
>>>>>>>>
>>>>>>>> I also tried to add
>>>>>>>> $PETSC_DIR/externalpackages/UMFPACKv4.3/linux-gnu-cxx-debug/UMFPACK/Lib
>>>>>>>> to
>>>>>>>> LD_LIBRARY_PATH, still without success (Anders thought this wasn't
>>>>>>>> necessary as petsc was configured with enable-shared). I keep
>>>>>>>> getting a
>>>>>>>> linking error when running the package config generator:
>>>>>>>> umfpack_config_test_lib.o: In function `main':
>>>>>>>> umfpack_config_test_lib.cpp:(.text+0x59): undefined reference to
>>>>>>>> `umfpack_di_symbolic(int, int, int const*, int const*, double
>>>>>>>> const*,
>>>>>>>> void**, double const*, double*)'
>>>>>>>> umfpack_config_test_lib.cpp:(.text+0x91): undefined reference to
>>>>>>>> `umfpack_di_numeric(int const*, int const*, double const*, void*,
>>>>>>>> void**,
>>>>>>>> double const*, double*)'
>>>>>>>> umfpack_config_test_lib.cpp:(.text+0x9c): undefined reference to
>>>>>>>> `umfpack_di_free_symbolic(void**)'
>>>>>>>> umfpack_config_test_lib.cpp:(.text+0xe5): undefined reference to
>>>>>>>> `umfpack_di_solve(int, int const*, int const*, double const*,
>>>>>>>> double*,
>>>>>>>> double const*, void*, double const*, double*)'
>>>>>>>> umfpack_config_test_lib.cpp:(.text+0xf0): undefined reference to
>>>>>>>> `umfpack_di_free_numeric(void**)'
>>>>>>>> collect2: ld returned 1 exit status
>>>>>>>>
>>>>>>>> Running 'ar t' on libumfpack.a indicates that it is available. Any
>>>>>>>> hints?
>>>>>>>>
>>>>>>>> ilmar
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> DOLFIN-dev mailing list
>>>>>>>> DOLFIN-dev@xxxxxxxxxx
>>>>>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> DOLFIN-dev mailing list
>>>>>>> DOLFIN-dev@xxxxxxxxxx
>>>>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>>>>>>
>>>>>>>
>>>>>>>
>>>>> _______________________________________________
>>>>> DOLFIN-dev mailing list
>>>>> DOLFIN-dev@xxxxxxxxxx
>>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>>>>
>>>>>
>>>>>
>>>> _______________________________________________
>>>> DOLFIN-dev mailing list
>>>> DOLFIN-dev@xxxxxxxxxx
>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>>>
>>>>
>>> _______________________________________________
>>> DOLFIN-dev mailing list
>>> DOLFIN-dev@xxxxxxxxxx
>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>>
>>>
>>
>>
>>
> _______________________________________________
> DOLFIN-dev mailing list
> DOLFIN-dev@xxxxxxxxxx
> http://www.fenics.org/mailman/listinfo/dolfin-dev
>