[Bug 697229]

[Cvs-commit]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	hjl at sourceware.org	2011-10-08 16:51:11

Modified files:
	bfd            : ChangeLog elflink.c 
	ld/testsuite   : ChangeLog 
	ld/testsuite/ld-elf: shared.exp 
Added files:
	ld/testsuite/ld-elf: pr13250-1.c pr13250-2.c pr13250-3.c 

Log message:
	Preserve the maximum alignment/size for common symbols.
	
	bfd/
	
	2011-10-08  H.J. Lu  <hongjiu.lu at intel.com>
	
	PR ld/13250
	* elflink.c (elf_link_add_object_symbols): Preserve the maximum
	alignment and size for common symbols.
	
	ld/testsuite/
	
	2011-10-08  H.J. Lu  <hongjiu.lu at intel.com>
	
	PR ld/13250
	* ld-elf/shared.exp (build_tests): Add tests for PR ld/13250.
	(run_tests): Likewise.
	
	* ld-elf/pr13250-1.c: New.
	* ld-elf/pr13250-2.c: Likewise.
	* ld-elf/pr13250-3.c: Likewise.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/ChangeLog.diff?cvsroot=src&r1=1.5483&r2=1.5484
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elflink.c.diff?cvsroot=src&r1=1.424&r2=1.425
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ChangeLog.diff?cvsroot=src&r1=1.1465&r2=1.1466
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/pr13250-1.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/pr13250-2.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/pr13250-3.c.diff?cvsroot=src&r1=NONE&r2=1.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/shared.exp.diff?cvsroot=src&r1=1.17&r2=1.18

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

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

Status in binutils:
  Fix Released
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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