[petsc-users] strange linking problem

[Aron Ahmadia]

Can you send the complete configure.log to "PETSc Maint" <
petsc-maint at mcs.anl.gov>?  The developers are probably still sleeping right
now (they're all mostly on US Central time), it's not a problem I've seen
before.

A

On Wed, Jun 20, 2012 at 11:52 AM, Juha Jäykkä <juhaj at iki.fi> wrote:

> Dear list,
>
> I have a strange linking problem with libpetsc.so. After running 'make
> PETSC_DIR=$(pwd) PETSC_ARCH=linux-gnu-cxx-opt all', the library looks like
> this:
>
> ~> nm linux-gnu-cxx-opt/lib/libpetsc.so|grep SAMappingInitializePackage
> 000000000048b4fe T SAMappingInitializePackage
>                 U _Z26SAMappingInitializePackagePKc
> 00000000006060b0 r _ZZ26SAMappingInitializePackageE8__func__
>
> And, of course, make install will not fix it and therefore make test fails
> and
> all programs using it fail.
>
> Any ideas what could be causing this? It looks to me as if part of the code
> was compiled with mpicxx and got the names mangled in C++ fashion (hence
> _Z26SAMappingInitializePackagePKc) but for other parts, mpicc was used
> (hence
> no mangling and SAMappingInitializePackage). But why?
>
> I have --CC=mpicc.openmpi-gcc-1.4.4 --CXX=mpicxx.openmpi-gcc-1.4.4 on the
> congfigure line, so the compilers should be fine. The complete configure
> line
> is:
>
> ./configure --prefix=${PREFIX}/petsc --with-shared-libraries --with-
> debugging=0 --with-fortran=0 --with-clanguage=C++ --with-dynamic-loading --
> with-c-support --useThreads=0 --with-mpi-shared=1 --with-hdf5=1 --with-gnu-
> compilers=1 --with-vendor-compilers=\[pathscale,intel\] --with-hdf5-
> dir=${HDF5_DIR} --with-petsc-arch=linux-gnu-cxx-opt --CC=mpicc.openmpi-
> gcc-1.4.4 --CXX=mpicxx.openmpi-gcc-1.4.4
>
> and is the exact same line as I have used on numerous other machines, too.
>
> Any ideas what's wrong or how to debug this?
>
> Cheers,
> Juha
>
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