[Bug 697229]

2020-09-08 Thread Cvs-commit 
The master branch has been updated by Alan Modra
:

https://sourceware.org/git/gitweb.cgi?p=binutils-
gdb.git;h=7ba115508aa02ffbb01a09613b5dffdd0c6563e3

commit 7ba115508aa02ffbb01a09613b5dffdd0c6563e3
Author: Alan Modra 
Date:   Tue Sep 8 13:02:31 2020 +0930

PR26580, Size and alignment of commons vs as-needed shared lib

Two pieces to this puzzle:
1) Revert HJ's fix for PR13250 so that size and alignment isn't
   sticky, instead attack the real underlying problem that
   _bfd_generic_link_add_one_symbol does the wrong thing in making a
   common section in a shared library bfd.
2) Save and restore common u.c.p fields, which hold the section and
   alignment.

A better fix for (2) would be to throw away all of that horrible code
saving and restoring the hash table when loading as-needed library
symbols, and instead do a scan over as-needed library symbols before
adding anything.

bfd/
PR 13250
PR 26580
* elflink.c (_bfd_elf_merge_symbol): Make "override" a bfd**.
Return oldbfd in override when old common should override new
common.
(_bfd_elf_add_default_symbol): Adjust to suit.
(elf_link_add_object_symbols): Likewise.  Pass "override" to
_bfd_generic_link_add_one_symbol.  Save and restore common u.c.p
field for --as-needed shared libraries.  Revert pr13250 changes.
ld/
* testsuite/ld-elf/pr26580-a.s,
* testsuite/ld-elf/pr26580-b.s,
* testsuite/ld-elf/pr26580-1.sd,
* testsuite/ld-elf/pr26580-2.sd: New tests
* testsuite/ld-elf/comm-data.exp: Run new tests.
* testsuite/ld-elf/pr26580-a.c,
* testsuite/ld-elf/pr26580-b.c,
* testsuite/ld-elf/pr26580-3.out,
* testsuite/ld-elf/pr26580-4.out: New tests.
* testsuite/ld-elf/shared.exp: Run new tests.

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  openmpi link failure with ld --as-needed

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

2011-10-26 Thread Launchpad Bug Tracker 
This bug was fixed in the package binutils - 2.21.53.20110810-0ubuntu4

---
binutils (2.21.53.20110810-0ubuntu4) oneiric-proposed; urgency=low

  * Fix PR ld/13250, preserve the maximum alignment and size for common
symbols (H.J. Lu). Closes: #608901. LP: #697229.
 -- Matthias KloseThu, 06 Oct 2011 09:22:34 +0200

** Changed in: binutils (Ubuntu Oneiric)
   Status: Fix Committed => Fix Released

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

2011-10-25 Thread Matthias Klose 
the example builds using the new binutils upload, and fails with the old
one.


** Tags removed: verification-needed
** Tags added: verification-done

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[Bug 697229]

2011-10-24 Thread Cvs-commit 
CVSROOT:/cvs/src
Module name:src
Branch: binutils-2_22-branch
Changes by: amo...@sourceware.org   2011-10-25 02:57:24

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:
PR ld/13250
bfd/
2011-10-08  H.J. Lu  
* elflink.c (elf_link_add_object_symbols): Preserve the maximum
alignment and size for common symbols.
ld/testsuite/
2011-10-08  H.J. Lu  
* 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&only_with_tag=binutils-2_22-branch&r1=1.5473.2.10&r2=1.5473.2.11
http://sourceware.org/cgi-bin/cvsweb.cgi/src/bfd/elflink.c.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.420.2.5&r2=1.420.2.6
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ChangeLog.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.1460.2.6&r2=1.1460.2.7
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/pr13250-1.c.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=NONE&r2=1.1.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/pr13250-2.c.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=NONE&r2=1.1.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/pr13250-3.c.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=NONE&r2=1.1.2.1
http://sourceware.org/cgi-bin/cvsweb.cgi/src/ld/testsuite/ld-elf/shared.exp.diff?cvsroot=src&only_with_tag=binutils-2_22-branch&r1=1.17&r2=1.17.2.1

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  openmpi link failure with ld --as-needed

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

2011-10-13 Thread Launchpad Bug Tracker 
This bug was fixed in the package binutils - 2.21.90.20111004-2ubuntu1

---
binutils (2.21.90.20111004-2ubuntu1) oneiric; urgency=low

  * Merge with Debian.

binutils (2.21.90.20111004-2) unstable; urgency=low

  * Fix PR ld/13250, preserve the maximum alignment and size for common
symbols (H.J. Lu). Closes: #608901. LP: #697229.

binutils (2.21.90.20111004-1) unstable; urgency=medium

  * Snapshot, taken from the binutils-2_22-branch 20111004.
  * Fix PR ld/13195, taken from the trunk. Closes: #643858, #644183.

binutils (2.21.53.20110922-1) unstable; urgency=low

  * Snapshot, taken from the binutils-2_22-branch 20110924.

binutils (2.21.53.20110910-1) unstable; urgency=low

  * Snapshot, taken from the trunk 20110910.
- Fix PR gas/13024. Closes: #635592.
  * Build with proposed patch for PR ld/12965.
  * Don't ship .la files in the cross binutils packages.
  * For native builds, add the multiarch directories to the default
search path.

binutils (2.21.53.20110823-3) unstable; urgency=low

  * Revert the last change:
- Default to --hash-style=both in ld.bfd and ld.gold.

binutils (2.21.53.20110823-2) unstable; urgency=low

  * Default to --hash-style=both in ld.bfd and ld.gold.
  * Fix s390x build (Aurelian Jarno). Closes: #635167.

binutils (2.21.53.20110823-1) unstable; urgency=low

  * Snapshot, taken from the trunk 20110823.
- ld --no-copy-dt-needed-entries/--no-add-needed is now the default.

binutils (2.21.53.20110810-0ubuntu4) oneiric-proposed; urgency=low

  * Fix PR ld/13250, preserve the maximum alignment and size for common
symbols (H.J. Lu). Closes: #608901. LP: #697229.
 -- Matthias KloseTue, 11 Oct 2011 12:36:33 +0200

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

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

2011-10-11 Thread Launchpad Bug Tracker 
** Branch linked: lp:ubuntu/oneiric-proposed/binutils

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

2011-10-11 Thread Clint Byrum 
Hello Matthias, or anyone else affected,

Accepted binutils into oneiric-proposed, the package will build now and
be available in a few hours. Please test and give feedback here. See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed. Thank you in advance!

** Changed in: binutils (Ubuntu Oneiric)
   Status: Confirmed => Fix Committed

** Tags added: verification-needed

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

2011-10-11 Thread Matthias Klose 
> As this touches central code (not fortran specific),
> could this cause other packages to now FTBFS or malfunction?

I don't see why it would cause malfunction or cause build failures. This
is a regression in oneiric, compared to natty (where the ld --as-needed
default was reverted before the release).

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

2011-10-11 Thread Bug Watch Updater 
** Changed in: openmpi (Debian)
   Status: New => Fix Released

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[Bug 697229]

2011-10-11 Thread Hjl-tools 
Fixed.

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[Bug 697229]

2011-10-11 Thread Cvs-commit 
CVSROOT:/cvs/src
Module name:src
Changes by: h...@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  

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  

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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[Bug 697229]

2011-10-11 Thread Hjl-tools 
A patch is posted at

http://sourceware.org/ml/binutils/2011-10/msg00035.html

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

2011-10-11 Thread Bug Watch Updater 
** Changed in: binutils
   Status: Confirmed => Fix Released

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

2011-10-10 Thread Matthias Klose 
On 10/10/2011 01:07 AM, Kate Stewart wrote:
> Rather worried about this change going into Oneiric,  esp. at this late in 
> the cycle since it impacts central code. 
> The risk is too high,  definitely NOT for the release,

this was uploaded to to -proposed. You are drawing wrong conclusions
here.

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

2011-10-09 Thread Kate Stewart 
Rather worried about this change going into Oneiric,  esp. at this late in the 
cycle since it impacts central code. 
The risk is too high,  definitely NOT for the release,  and update needs much 
more discussion and exploration. 

Would rather it go out in Precise,  and a discussion happen at UDS
whether its a candidate for Oneiric updates or not.

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

2011-10-09 Thread Martin Pitt 
@Matthias: Did something go wrong here? The uploaded proposed package
only changes the manpage, but nothing else:

http://launchpadlibrarian.net/82305059/binutils_2.21.53.20110810-0ubuntu3_2.21.53.20110810-0ubuntu4.diff.gz

The upstream patch actually changes code:

  http://sourceware.org/bugzilla/attachment.cgi?id=5963

As this touches central code (not fortran specific), could this cause
other packages to now FTBFS or malfunction?

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

2011-10-08 Thread Launchpad Bug Tracker 
** Branch linked: lp:debian/binutils

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

2011-10-08 Thread 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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[Bug 697229]

2011-10-06 Thread Hjl-tools 
Created attachment 5963
A patch

This patch preserves the maximum alignment and size for common
symbols.

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[Bug 697229]

2011-10-06 Thread Matthias Klose 
the patch fixes the original issue as well.

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[Bug 697229]

2011-10-06 Thread Hjl-tools 
A small testcase:

hjl@gnu-6 pr13250]$ cat foo.c
char mpi_fortran_argv_null_[8];
[hjl@gnu-6 pr13250]$ cat bar.c
extern char mpi_fortran_argv_null_[8];

int
bar ()
{
 return mpi_fortran_argv_null_[0];
}
[hjl@gnu-6 pr13250]$ cat main.c
char mpi_fortran_argv_null_[1];

extern int bar ();

int
main ()
{
  bar ();
  return 0;
}
[hjl@gnu-6 pr13250]$ make
gcc -g   -c -o main.o main.c
gcc -shared -fPIC -g -o libfoo.so foo.c
gcc -shared -fPIC -g -o libbar.so bar.c libfoo.so
gcc -Wl,--as-needed -o x main.o libbar.so libfoo.so -Wl,-rpath,.
/usr/local/bin/ld: main.o(.debug_info+0x7e): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_argv_null_'
./x
[hjl@gnu-6 pr13250]$

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[Bug 697229]

2011-10-06 Thread Hjl-tools 
Please provide the source of mpitest.o as well as command line
used to create mpitest.o.

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

2011-10-04 Thread Bug Watch Updater 
Launchpad has imported 2 comments from the remote bug at
http://sourceware.org/bugzilla/show_bug.cgi?id=13250.

If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
https://help.launchpad.net/InterBugTracking.


On 2011-10-04T08:52:46+00:00 Matthias Klose wrote:

fails on the 2.22 branch and trunk, works with ld.gold on both the
branch and the trunk.

$ cat mpitest.f90
program main
include 'mpif.h'
integer ierr
call mpi_init(ierr)
end
$ mpif90 -Wl,--as-needed -g mpitest.f90 
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x493): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_argv_null_'
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x4ad): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_argv_null_'
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x523): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_errcodes_ignore_'
/usr/bin/ld: /tmp/cc9rtjMR.o(.debug_info+0x53d): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_errcodes_ignore_'

The undefined references to `__libc_csu_(init|fini)' are an artefact in
the self-contained testcase.

Reply at: https://bugs.launchpad.net/binutils/+bug/697229/comments/5


On 2011-10-04T08:58:59+00:00 Matthias Klose wrote:

self-contained test case at
http://people.debian.org/~doko/tmp/mpi.tar.xz

Reply at: https://bugs.launchpad.net/binutils/+bug/697229/comments/8


** Changed in: binutils
   Status: Unknown => Confirmed

** Changed in: binutils
   Importance: Unknown => Medium

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

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

2011-10-04 Thread Matthias Klose 
** Bug watch added: Sourceware.org Bugzilla #13250
   http://sourceware.org/bugzilla/show_bug.cgi?id=13250

** Also affects: binutils via
   http://sourceware.org/bugzilla/show_bug.cgi?id=13250
   Importance: Unknown
   Status: Unknown

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

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

2011-10-04 Thread Launchpad Bug Tracker 
Status changed to 'Confirmed' because the bug affects multiple users.

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

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

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

2011-10-04 Thread Launchpad Bug Tracker 
Status changed to 'Confirmed' because the bug affects multiple users.

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

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

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

2011-07-20 Thread Evan Broder 
Misread the bug. This isn't actually fixed.

Apologies for the spam.

** Changed in: openmpi (Ubuntu)
   Status: Fix Released => New

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

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

2011-07-20 Thread Jean-Louis Dupond 
Seems not fixed yet:
root@artemis:/# 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/cc3UWpD5.o(.debug_info+0x491): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_argv_null_'
/usr/bin/ld: /tmp/cc3UWpD5.o(.debug_info+0x4ab): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_argv_null_'
/usr/bin/ld: /tmp/cc3UWpD5.o(.debug_info+0x521): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_errcodes_ignore_'
/usr/bin/ld: /tmp/cc3UWpD5.o(.debug_info+0x53b): unresolvable R_X86_64_64 
relocation against symbol `mpi_fortran_errcodes_ignore_'

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  openmpi link failure with ld --as-needed

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

2011-07-20 Thread Evan Broder 
It seems that this was fixed in 1.4.3-2.1

** Changed in: openmpi (Ubuntu)
   Status: New => Fix Released

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

2011-01-10 Thread Bug Watch Updater 
** Changed in: openmpi (Debian)
   Status: Unknown => New

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

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

2011-01-04 Thread Matthias Klose 
libopenmpi-dev needed to build

** Bug watch added: Debian Bug tracker #608901
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=608901

** Also affects: openmpi (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=608901
   Importance: Unknown
   Status: Unknown

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

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

2011-01-04 Thread Matthias Klose 
Public bug reported:

$ 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.

** Affects: binutils (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: openmpi (Ubuntu)
 Importance: Undecided
 Status: New

** Affects: openmpi (Debian)
 Importance: Unknown
 Status: Unknown

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

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

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