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/[email protected]/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 >>>>>>>> [email protected] >>>>>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> _______________________________________________ >>>>>>> DOLFIN-dev mailing list >>>>>>> [email protected] >>>>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev >>>>>>> >>>>>>> >>>>>>> >>>>> _______________________________________________ >>>>> DOLFIN-dev mailing list >>>>> [email protected] >>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev >>>>> >>>>> >>>>> >>>> _______________________________________________ >>>> DOLFIN-dev mailing list >>>> [email protected] >>>> http://www.fenics.org/mailman/listinfo/dolfin-dev >>>> >>>> >>> _______________________________________________ >>> DOLFIN-dev mailing list >>> [email protected] >>> http://www.fenics.org/mailman/listinfo/dolfin-dev >>> >>> >> >> >> > _______________________________________________ > DOLFIN-dev mailing list > [email protected] > http://www.fenics.org/mailman/listinfo/dolfin-dev > _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
