[Bug gdb/27184] New: GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[Bug gdb/27184] New: GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[murphyp at linux dot vnet.ibm.com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

            Bug ID: 27184
           Summary: GDB fails to compile when building with
                    -mabi=ieeelongdouble and glibc 2.32 on ppc64le
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: murphyp at linux dot vnet.ibm.com
  Target Milestone: ---

A gnulib header conflicts with the system cdefs.h header preventing the
definition of the long double redirect macros.

This has been fixed upstream in gnulib as of commit
776af40e09b476a41073131a90022572f448c189

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[Bug gdb/27184] GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[murphyp at linux dot vnet.ibm.com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

Paul E. Murphy <murphyp at linux dot vnet.ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |murphyp at linux dot vnet.ibm.com

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[Bug gdb/27184] GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

Simon Marchi <simark at simark dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simark at simark dot ca

--- Comment #1 from Simon Marchi <simark at simark dot ca> ---
So presumably, we just need to upgrade our gnulib import to fix it?

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[Bug gdb/27184] GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[murphyp at linux dot vnet.ibm.com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

--- Comment #2 from Paul E. Murphy <murphyp at linux dot vnet.ibm.com> ---
It should.  Can the patch be cherrypicked into the copy of gdb? I am not
familiar with how gdb synchronizes with gnulib.

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[Bug gdb/27184] GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[simark at simark dot ca]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

--- Comment #3 from Simon Marchi <simark at simark dot ca> ---
It's imported using this script:
https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gnulib/update-gnulib.sh;h=e9b377ca47595d8ba17569e92f9b80b785b0f20b;hb=HEAD

1. Update the GNULIB_COMMIT_SHA1 in that script to the commit you want to
import
2. Run the script, pointing to a gnulib git repo
3. Hope for the best

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[Bug gdb/27184] GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[will_schmidt at vnet dot ibm.com]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

Will Schmidt <will_schmidt at vnet dot ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |will_schmidt at vnet dot ibm.com

--- Comment #4 from Will Schmidt <will_schmidt at vnet dot ibm.com> ---
I see a commit that looks like it addresses the issue..  Is there anything more
that needs to be done here? 

"
commit 9c9d63b15ad548f65f8bfd41cb7a4ef9af5ccb28
Author: Paul E. Murphy <murphyp@linux.ibm.com>
Date:   Fri Jan 22 13:55:45 2021 -0600

    gnulib: update to 776af40e0

    This fixes PR27184, a failure to compile gdb due to
    cdefs.h being out of sync with glibc on ppc64le targets
    which are compiled with -mabi=ieeelongdouble and glibc
    2.32.

"

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[Bug gdb/27184] GDB fails to compile when building with -mabi=ieeelongdouble and glibc 2.32 on ppc64le

[tromey at sourceware dot org]

https://sourceware.org/bugzilla/show_bug.cgi?id=27184

Tom Tromey <tromey at sourceware dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
   Target Milestone|---                         |11.1
         Resolution|---                         |FIXED
                 CC|                            |tromey at sourceware dot org

--- Comment #5 from Tom Tromey <tromey at sourceware dot org> ---
(In reply to Will Schmidt from comment #4)
> I see a commit that looks like it addresses the issue..  Is there anything
> more that needs to be done here? 

Looks fixed, I'm closing it.

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