[Pkg-openmpi-maintainers] Bug#608901: link failure with ld --as-needed

[Matthias Klose]

On 04.01.2011 20:56, Ralf Wildenhues wrote:
> Hello Matthias,
>
> * Matthias Klose wrote on Tue, Jan 04, 2011 at 02:57:41PM CET:
>> With gcc, gcc-4.5 and binutils from experimental, the following
>> configure test (taken from petsc) fails with --as-needed:
>>
>> $ cat test.F
>>        program main
>>         include 'mpif.h'
>>         integer ierr
>>         call mpi_init(ierr)
>>        end
>>
>> $ mpif90 test.F -Wl,--as-needed -Wall -Wno-unused-variable -g
>> -I/usr/lib/openmpi/include -I/usr/lib/openmpi/lib
>> -L/usr/lib/openmpi/lib -L/usr/lib/gcc/i686-linux-gnu/4.5.2 -ldl
>> -lmpi -lopen-rte -lopen-pal -lnsl -lutil -lgcc_s -lpthread
>> -ldl
>> /usr/bin/ld: /tmp/cccq3IWF.o(.debug_info+0x48d): unresolvable
>> R_X86_64_64 relocation against symbol `mpi_fortran_argv_null_'
> [...]
>> the error messages hint to an object file not built with -fPIC, but
>> I didn't find one yet.
>
> Can you show -showme and -v output?

thanks for the quick reply.


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