[Bug 697229] Re: openmpi link failure with ld --as-needed

[Matthias Klose]

** Also affects: binutils (Ubuntu Oneiric)
   Importance: Undecided
       Status: Confirmed

** Also affects: openmpi (Ubuntu Oneiric)
   Importance: Undecided
       Status: Confirmed

** Also affects: binutils (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Also affects: openmpi (Ubuntu Precise)
   Importance: Undecided
       Status: New

** Changed in: openmpi (Ubuntu Oneiric)
       Status: Confirmed => Invalid

** Changed in: openmpi (Ubuntu Precise)
       Status: New => Invalid

** Changed in: binutils (Ubuntu Precise)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/697229

Title:
  openmpi link failure with ld --as-needed

Status in binutils:
  Confirmed
Status in “binutils” package in Ubuntu:
  Confirmed
Status in “openmpi” package in Ubuntu:
  Invalid
Status in “binutils” source package in Oneiric:
  Confirmed
Status in “openmpi” source package in Oneiric:
  Invalid
Status in “binutils” source package in Precise:
  Confirmed
Status in “openmpi” source package in Precise:
  Invalid
Status in “openmpi” package in Debian:
  New

Bug description:
  $ 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_'
  /usr/bin/ld: /tmp/cccq3IWF.o(.debug_info+0x4a7): unresolvable R_X86_64_64 relocation against symbol `mpi_fortran_argv_null_'
  /usr/bin/ld: /tmp/cccq3IWF.o(.debug_info+0x511): unresolvable R_X86_64_64 relocation against symbol `mpi_fortran_errcodes_ignore_'
  /usr/bin/ld: /tmp/cccq3IWF.o(.debug_info+0x52b): unresolvable R_X86_64_64 relocation against symbol `mpi_fortran_errcodes_ignore_'

  works with --no-as-needed.

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