Andre Massing wrote: > Hi, > > I recompiled all the fenics packages on my Ubuntu Jaunty amd64 and run > into trouble during linking: > > > mpic++ -o dolfin/libdolfin.so.0.9.2 -Wl,-rpath,/home/andre/local/lib > -pthread -Wl,--export-dynamic -shared -Wl,-soname=libdolfin.so.0 > dolfin/ale/TransfiniteInterpolation.os dolfin/ale/HarmonicSmoothing.os > [..] > dolfin/quadrature/GaussianQuadrature.os dolfin/quadrature/Quadrature.os > dolfin/quadrature/LobattoQuadrature.os -L/home/andre/local/lib > -L/usr/lib/atlas -L/home/andre/local/lib -L/usr/lib/atlas > -L/usr/lib/atlas -L/usr/include/parmetis/lib -lxml2 -lpetscts > -lpetscsnes -lpetscksp-lpetscdm -lpetscmat -lpetscvec -lpetsc -lblas > -lumfpack -lamd -lgts -lm -lgthread-2.0 -lrt -lgmodule-2.0 -lglib-2.0 > -lml -lifpack -lamesos-laztecoo -lteuchos -lepetra -lepetraext -lblas > -llapack -llapack -lblas -lcholmod -lamd -lcolamd -lparmetis -lmetis > /usr/bin/ld: > /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/libumfpack.a(umfpack_dl_free_numeric.o): > > relocation R_X86_64_32 against `alocal symbol' can not be used when > making a shared object; recompile with -fPIC > /usr/lib/gcc/x86_64-linux-gnu/4.3.3/../../../../lib/libumfpack.a: could > not read symbols: Bad value > collect2: ld returned 1 exit status > scons: *** [dolfin/libdolfin.so.0.9.2] Error 1 > > has anybody else also ran into this problem? If I understood it > correctly (which I do not assume :-)) I should recompile libumfpack.a > with -fPIC options, but I read somewhere that due to the GOT (global > offset table) in the library it is considered as a bad idea to proceed > in such a way with a *static* library... hmm :-/ > Any ideas?
I would suggest you try rebuilding suitesparse (or just umfpack) with -fPIC. I have used this flag on a 64 bit machine in the past and not seen anything go wrong with respect to this global access table. Harish _______________________________________________ DOLFIN-dev mailing list [email protected] http://www.fenics.org/mailman/listinfo/dolfin-dev
